Walla Walla, Washington, United States Climate Change Severity

Extreme

The current climate change severity in Walla Walla is Extreme, with a 60% worsening in the climate score compared to last 16 years. This suggests deteriorating conditions, with increasing negative impacts on weather patterns and environmental conditions.

Data: Jan. to Aug. (Historical Vs 2026) - Weather Data Only

Low

020

Moderate

2040

High

4060

Very High

6080

Extreme

80100

°C

Walla Walla Climate Change Analysis

Real-time Weather

All Years

Temperature (°C)

Years

Years	Min Temp.	Avg Temp.	Max Temp.
	0.6645161290322581	3.57741935483871	7.312903225806452
	0.010714285714285728	4.425000000000001	9.599999999999998
	1.3806451612903223	6.67741935483871	12.406451612903224
	3.2666666666666666	8.946666666666667	14.416666666666664
	5.541935483870968	11.509677419354839	16.835483870967746
2010	10.32333333333333	16.52	21.756666666666668
	14.674193548387098	22.76451612903226	29.303225806451607
	14.822580645161294	21.67741935483871	27.906451612903222
	11.16	17.199999999999996	23.766666666666662
	5.867741935483871	11.09677419354839	17.183870967741928
	-1.073333333333333	3.059999999999999	7.316666666666667
	-2.8354838709677415	0.6064516129032261	4.458064516129032
	-2.012903225806452	1.4709677419354836	5.22258064516129
	-2.825	1.1749999999999996	5.439285714285715
	1.3129032258064515	5.774193548387096	10.541935483870967
	1.5300000000000002	6.86	11.640000000000002
	5.167741935483872	11.380645161290321	17.054838709677416
2011	9.563333333333334	16.000000000000007	21.28000000000001
	13.229032258064517	20.609677419354842	26.59032258064516
	15.774193548387094	22.758064516129025	29.09032258064516
	12.813333333333333	19.84333333333333	26.926666666666662
	6.474193548387096	11.04193548387097	16.161290322580644
	0.29999999999999993	4.340000000000001	8.79
	-3.4612903225806444	-0.041935483870967724	4.609677419354839
	-2.187096774193548	1.5548387096774194	5.648387096774192
	-1.5655172413793101	2.6448275862068966	7.168965517241378
	0.44516129032258067	5.606451612903226	10.312903225806453
	4.253333333333333	10.226666666666665	15.870000000000003
	6.27741935483871	13.21290322580645	18.822580645161292
2012	9.713333333333331	16.343333333333334	21.666666666666664
	15.403225806451617	23.264516129032263	29.838709677419352
	15.909677419354837	23.722580645161287	30.60322580645161
	11.48666666666667	18.82	26.11
	6.167741935483869	11.241935483870968	16.97096774193548
	2.7033333333333327	6.34	10.76666666666667
	-0.9161290322580647	1.8903225806451618	4.967741935483873
	-4.31290322580645	-1.0064516129032257	3.0193548387096767
	-0.8964285714285714	3.210714285714286	7.614285714285714
	1.5516129032258061	6.829032258064516	12.441935483870969
	3.703333333333333	9.479999999999995	14.60333333333333
	7.845161290322581	14.916129032258063	21.1
2013	11.436666666666666	18.84	24.733333333333334
	17.27741935483871	25.39032258064516	31.99032258064516
	16.54193548387097	23.719354838709677	30.093548387096774
	12.783333333333333	18.306666666666665	24.049999999999997
	3.4806451612903233	8.732258064516131	14.822580645161286
	0.09000000000000048	3.7	8.26
	-4.638709677419352	-0.9903225806451618	2.9677419354838714
	-2.4774193548387093	0.8516129032258065	5.132258064516126
	-2.942857142857142	0.36785714285714277	4.05
	1.441935483870968	6.529032258064517	11.577419354838709
	4.133333333333333	9.943333333333332	15.57333333333333
	8.129032258064516	15.422580645161291	21.5741935483871
2014	11.12	18.296666666666667	24.096666666666668
	17.92258064516129	25.95806451612904	32.63548387096775
	16.674193548387098	23.829032258064515	30.241935483870968
	12.099999999999998	18.613333333333337	25.29666666666667
	8.783870967741935	13.993548387096773	20.061290322580643
	0.25666666666666654	3.793333333333332	8.01
	-1.0774193548387097	1.8548387096774193	5.219354838709677
	-1.0129032258064519	2.351612903225807	6.251612903225807
	2.2357142857142858	6.199999999999998	10.810714285714283
	3.803225806451613	8.783870967741935	14.283870967741938
	3.556666666666666	9.660000000000002	15.41
	9.477419354838709	16.154838709677417	21.82903225806451
2015	15.493333333333334	23.38666666666666	29.62
	17.709677419354843	25.367741935483878	31.32903225806452
	17.093548387096774	24.287096774193547	30.322580645161302
	11.066666666666666	17.296666666666663	23.65
	9.025806451612903	14.051612903225806	20.074193548387097
	0.5133333333333334	3.6666666666666683	7.610000000000001
	-1.3032258064516131	1.7516129032258074	4.783870967741936
	-1.8032258064516125	1.4387096774193548	4.8354838709677415
	1.8655172413793104	5.893103448275863	10.713793103448273
	2.674193548387097	7.448387096774194	12.151612903225807
	6.896666666666666	12.843333333333332	18.836666666666662
	9.274193548387096	15.677419354838706	21.222580645161294
2016	12.353333333333333	19.91	25.87666666666667
	15.445161290322577	22.49032258064516	28.40322580645161
	15.751612903225805	23.33225806451613	29.99677419354839
	11.209999999999999	16.89666666666667	22.78333333333334
	7.487096774193548	11.477419354838712	16.093548387096778
	4.83	8.359999999999998	13.083333333333334
	-7.548387096774194	-3.287096774193548	0.33870967741935487
	-8.748387096774195	-5.693548387096774	-2.24516129032258
	-2.514285714285715	0.7928571428571429	4.692857142857142
	3.258064516129031	6.925806451612902	10.999999999999998
	4.2	9.18	13.913333333333334
	7.961290322580644	14.590322580645159	20.448387096774194
2017	12.639999999999997	19.30666666666667	25.419999999999998
	17.99032258064516	25.43548387096774	32.380645161290325
	18.003225806451614	25.096774193548388	32.325806451612905
	13.276666666666667	18.709999999999997	24.76333333333333
	6.21290322580645	10.693548387096774	15.951612903225806
	3.253333333333333	6.59	10.883333333333331
	-3.2870967741935475	-0.6129032258064515	2.380645161290323
	1.2709677419354841	3.9516129032258065	7.306451612903224
	-0.4785714285714285	2.882142857142857	6.328571428571429
	1.3806451612903223	6.058064516129032	11.245161290322583
	4.966666666666667	9.82	14.82666666666667
	11.235483870967743	17.183870967741935	22.70967741935484
2018	12.196666666666667	18.60666666666667	24.24
	17.683870967741935	25.21935483870968	32.016129032258064
	16.60322580645161	23.332258064516132	29.864516129032257
	11.619999999999997	17.096666666666668	23.003333333333337
	6.867741935483871	11.087096774193549	16.10322580645161
	1.6999999999999997	4.866666666666665	8.916666666666666
	-0.18709677419354842	2.683870967741935	6.1322580645161295
	-0.5709677419354839	2.358064516129033	5.870967741935485
	-6.042857142857143	-2.664285714285714	0.4892857142857142
	-2.519354838709677	1.2129032258064516	5.2935483870967746
	5.263333333333333	10.09	14.889999999999999
	9.667741935483873	15.429032258064515	20.816129032258065
2019	12.920000000000003	19.29666666666667	25.139999999999997
	15.932258064516125	22.641935483870967	28.732258064516127
	17.554838709677416	23.909677419354836	30.451612903225808
	12.690000000000001	17.39	22.413333333333334
	3.5967741935483875	8.299999999999999	13.351612903225805
	0.7266666666666665	4.023333333333332	7.796666666666667
	-0.39677419354838717	2.587096774193549	6.216129032258064
	1.145161290322581	4.103225806451613	7.325806451612902
	0.30689655172413793	4.165517241379311	8.589655172413792
	1.3161290322580645	5.587096774193548	10.199999999999998
	5.296666666666667	10.693333333333333	15.986666666666666
	9.135483870967741	14.658064516129029	20.03225806451613
2020	12.586666666666668	17.939999999999994	23.383333333333333
	16.4	23.72580645161291	30.090322580645168
	17.832258064516132	24.535483870967738	30.625806451612902
	14.406666666666666	21.016666666666666	27.790000000000003
	7.735483870967742	12.200000000000001	17.12903225806452
	2.4000000000000012	5.7233333333333345	9.566666666666668
	-0.9419354838709675	1.9935483870967743	5.422580645161291
	0.645161290322581	3.606451612903226	6.767741935483871
	-2.242857142857143	0.8607142857142857	3.860714285714285
	1.8	6.535483870967742	11.854838709677422
	5.013333333333334	11.180000000000001	17.08
	9.170967741935485	15.36129032258064	20.964516129032255
2021	16.576666666666664	24.029999999999998	30.603333333333328
	20.506451612903223	28.05806451612903	34.906451612903226
	17.89677419354839	24.541935483870958	30.987096774193542
	12.939999999999996	19.033333333333335	25.78666666666667
	7.229032258064516	11.75483870967742	17.109677419354842
	4.083333333333334	7.519999999999999	11.446666666666665
	-1.3709677419354838	1.5483870967741935	4.251612903225807
	-2.164516129032258	0.6225806451612905	4.083870967741936
	-0.9285714285714285	2.971428571428572	7.785714285714286
	3.4935483870967743	7.616129032258065	12.299999999999999
	2.43	7.1000000000000005	12.033333333333335
	6.722580645161289	11.374193548387094	16.25483870967742
2022	11.849999999999998	17.519999999999996	23.17
	18.261290322580642	25.554838709677423	33.24193548387096
	19.84516129032258	26.832258064516132	34.50645161290322
	14.456666666666667	20.676666666666673	27.856666666666666
	9.554838709677421	14.6	20.783870967741937
	-1.5933333333333335	1.526666666666667	5.276666666666666
	-4.941935483870967	-1.9677419354838719	1.196774193548387
	-0.6870967741935483	2.4612903225806457	6.496774193548386
	-1.6678571428571427	1.9857142857142862	6.764285714285713
	0.3806451612903226	4.525806451612904	9.53225806451613
	3.8366666666666664	9.036666666666665	14.543333333333333
	11.32258064516129	17.396774193548385	23.39677419354839
2023	13.663333333333332	20.87666666666667	27.983333333333334
	17.85161290322581	25.806451612903228	33.599999999999994
	17.72903225806452	24.15806451612903	31.04516129032258
	12.216666666666669	18.05666666666667	24.69
	7.8	12.067741935483868	17.487096774193546
	1.6600000000000004	4.61	8.476666666666668
	1.364516129032258	3.683870967741936	6.838709677419356
	-2.9741935483870963	-0.49032258064516154	2.3419354838709676
	1.572413793103448	4.544827586206896	8.179310344827586
	2.719354838709678	6.83225806451613	11.89032258064516
	4.966666666666667	9.50333333333333	14.400000000000004
	7.732258064516128	13.129032258064514	18.654838709677424
2024	12.543333333333335	18.903333333333332	25.216666666666665
	19.154838709677417	26.732258064516135	34.75161290322581
	17.380645161290325	24.129032258064516	31.396774193548385
	14.34333333333333	20.15	26.869999999999997
	7.983870967741938	12.30967741935484	17.916129032258066
	3.1133333333333346	5.74	8.716666666666667
	1.2516129032258063	3.2193548387096773	5.506451612903225
	-1.5838709677419356	0.7774193548387093	3.890322580645162
	-2.7571428571428562	0.4392857142857144	3.8000000000000003
	3.948387096774193	7.6967741935483875	11.980645161290328
	4.660000000000001	9.99	15.926666666666671
	8.445161290322583	14.170967741935485	19.96129032258065
2025	12.473333333333336	18.883333333333336	25.566666666666666
	16.68387096774193	23.612903225806456	30.741935483870975
	18.093548387096774	24.345161290322586	31.335483870967742
	15.873333333333337	21.786666666666665	28.280000000000005
	7.163333333333333	11.113333333333335	15.806666666666668
	4.506666666666666	7.403333333333334	10.513333333333334
	3.564516129032257	5.764516129032257	8.53225806451613
	0.9032258064516129	3.0387096774193556	5.687096774193548
	2.0642857142857145	4.625	7.867857142857142
	4.093548387096773	7.393548387096776	10.932258064516127
	6.003333333333334	12.06333333333333	19.333333333333332
2026	10.874193548387096	17.477419354838712	24.700000000000003
	13.259999999999998	20.296666666666667	27.456666666666663
	17.880645161290325	25.867741935483878	33.5
	17.293548387096767	24.645161290322577	32.3774193548387

Max Temp.

Avg Temp.

Min Temp.

Walla Walla Weather Condition Changes (Historic Vs 2026)

2026

Historic

2026

Over the past 16 year(s), Walla Walla temperature has changed by around +13.2%, and has experienced notable climate changes.

Sunny

Cloudy

Rainy

Snowy

Misty

Data: Jan. to Aug. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

Sunny

102104

1.9%

Cloudy

7217

-76.3%

Rainy

7235

-51.3%

Snowy

-25%

Misty

100%

Disclaimer: Other weather conditions not shown may affect the total day count.

Climate Change Indicators:

Over the past 16 years, Walla Walla has experienced measurable shifts in key climate parameters, contributing to the current severity score of 81 (within the Extreme severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

81/100

Extreme

Low

020

Moderate

2040

High

4060

Very High

6080

Extreme

80100

From 2010 to 2026, Walla Walla experienced significant changes:

Temperature change of

+1.69 °C

Variation in annual rainfall

+148.85 %

Change in average humidity

-10.58 %

PM2.5 levels surged by

+50.1 %

Heatwave changed by

+3 Days

Coldwave changed by

-7 Days

Wind speeds changed by

+2.13 km/h

These indicators show extreme climate changes, including key climate parametes. The Extreme severity score necessitates immediate action, including large-scale mitigation efforts, climate resilience strategies, and extensive disaster preparedness.

Check how we calculate Climate Change Severity

Based on data from Jan. to Aug.

Walla Walla Weather Forecast 30 Days (October 2026)
Walla Walla, Washington, United States

Condition

Temperature

Humi.

Wind Speed

Thu. 1, Oct.

Overcast

21°/9°

48%

10.4km/h

Fri. 2, Oct.

Overcast

22°/11°

40%

20.5km/h

Sat. 3, Oct.

Sunny

23°/17°

37%

11.5km/h

Sun. 4, Oct.

Sunny

23°/17°

38%

10.8km/h

Mon. 5, Oct.

Smoky haze

23°/19°

33%

24.8km/h

Tue. 6, Oct.

Overcast

20°/14°

36%

16.9km/h

Wed. 7, Oct.

Sunny

22°/16°

29%

9.4km/h

Thu. 8, Oct.

Sunny

23°/17°

29%

24.1km/h

Fri. 9, Oct.

Heavy Rain

18°/8°

56%

15.6km/h

Sat. 10, Oct.

Rain Showers

18°/7°

55%

20.6km/h

Sun. 11, Oct.

Heavy Rain

15°/6°

59%

19.2km/h

Mon. 12, Oct.

Rain

15°/6°

53%

16.6km/h

Tue. 13, Oct.

Rain Showers

16°/7°

56%

17.5km/h

Wed. 14, Oct.

Rain

17°/7°

57%

16.8km/h

Thu. 15, Oct.

Heavy Rain

17°/7°

57%

14.6km/h

Fri. 16, Oct.

Heavy Rain

18°/7°

53%

17.2km/h

Sat. 17, Oct.

Rain

17°/7°

56%

19.4km/h

Sun. 18, Oct.

Rain

17°/7°

58%

14.6km/h

Mon. 19, Oct.

Rain Showers

17°/8°

57%

17.3km/h

Tue. 20, Oct.

Rain

17°/7°

60%

18.5km/h

Wed. 21, Oct.

Rain Showers

16°/6°

63%

17.5km/h

Thu. 22, Oct.

Rain Showers

16°/6°

65%

19.2km/h

Fri. 23, Oct.

Heavy Rain

14°/6°

67%

17km/h

Sat. 24, Oct.

Rain Showers

13°/5°

64%

17.5km/h

Sun. 25, Oct.

Rain Showers

14°/4°

64%

19.7km/h

Mon. 26, Oct.

Rain Showers

12°/4°

67%

19.2km/h

Tue. 27, Oct.

Rain Showers

11°/4°

65%

17.2km/h

Wed. 28, Oct.

Rain Showers

12°/4°

64%

17.9km/h

Thu. 29, Oct.

Rain Showers

12°/4°

67%

18.7km/h

Fri. 30, Oct.

Rain Showers

13°/4°

62%

19.2km/h

Sat. 31, Oct.

Rain Showers

13°/4°

63%

20.4km/h

Highest & Lowest Weather Forecasts

Temperature

High will be onSat. 3, Oct.

23°C

Low will be onSun. 25, Oct.

4°C

Humidity

High will be onFri. 23, Oct.

67%

Low will be onWed. 7, Oct.

29%

Wind Speed

High will be onMon. 5, Oct.

24.8km/h

Low will be onWed. 7, Oct.

9.4km/h

Precipitation

High will be onMon. 19, Oct.

3.8mm

Low will be onWed. 14, Oct.

0.7mm

High will be onWed. 7, Oct.

Low will be onSun. 11, Oct.

Our Blogs

See all blogs

Walla Walla Weather Condition Changes (Historic Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

Climate Change Indicators:

Severity Score

From 2010 to 2026, Walla Walla experienced significant changes:

Walla Walla Weather Forecast 30 Days (October 2026)
Walla Walla, Washington, United States

Highest & Lowest Weather Forecasts

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Why Winter Suffocates and Monsoon Saves Delhi Air Quality 2025?

Walla Walla Weather Condition Changes (Historic Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

Climate Change Indicators:

Severity Score

From 2010 to 2026, Walla Walla experienced significant changes:

Walla Walla Weather Forecast 30 Days (October 2026)Walla Walla, Washington, United States

Highest & Lowest Weather Forecasts

Our Blogs

Perth's Spring Warmth Peaks Then Pulls Back Hard

Mumbai's Monsoon Grip: Rain, Wind, and UV Swings Tracked

New Delhi's August Heat Surge, Dust Storms, and September Reset

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