Longview, Washington, United States Climate Change Severity

57
High
The current climate change severity in Longview is High, with a 42.2% 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 Sep. (Historical Vs 2026) - Weather Data Only
Low
020
Moderate
40
High
60
Very High
80
Extreme
100
°C

Longview Weather Condition Changes (Historic Vs 2026)

2026
0%
0%
0%
0%
0%
0%
0%
0%
0%
0%
Historic
2026

Over the past 16 year(s), Longview temperature has changed by around +11.6%, and has experienced notable climate changes.

Sunny
Cloudy
Rainy
Snowy
Misty
Data: Jan. to Sep. (Historical Vs 2026)

Comparison of Weather Condition (Historic Vs 2026)

HistoricDays

Year 2026Days

Change

sunnySunny
48112
133.3%
cloudyCloudy
5717
-70.1%
rainyRainy
12755
-56.6%
snowySnowy
32
-33.3%
mistyMisty
313
333.3%

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

Climate Change Indicators:

Over the past 16 years, Longview has experienced measurable shifts in key climate parameters, contributing to the current severity score of 57 (within the High severity category). This suggests worsening climate conditions from the previous years. Here’s a breakdown of the specific changes observed:

Severity Score

57/100

High

Low
020
Moderate
40
High
60
Very High
80
Extreme
100

From 2010 to 2026, Longview experienced significant changes:

Temperature change of

+1.35 °C

Variation in annual rainfall

+54.54 %

Change in average humidity

-8.42 %

PM2.5 levels surged by

+20.84 %

Heatwave changed by

+1 Day

Coldwave changed by

-5 Days

Wind speeds changed by

-0.02 km/h

These indicators show that Longview is experiencing a more volatile and extreme climate, reinforcing the need for urgent intervention to mitigate risks. As the severity score rises, focus must shift to adaptation and emergency preparedness.

Check how we calculate Climate Change Severity
Based on data from Jan. to Sep.

Longview Weather Forecast 30 Days (October - November 2026)
Longview, Washington, United States

Condition
Temperature IconTemperature
Humidity IconHumi.
Wind IconWind Speed
Sun. 4, Oct.
sunnySunny
Temperature Icon27°/9°
Humidity Icon76%
Wind Icon8.3km/h
Mon. 5, Oct.
mistMist
Temperature Icon24°/7°
Humidity Icon81%
Wind Icon12.6km/h
Tue. 6, Oct.
sunnySunny
Temperature Icon23°/7°
Humidity Icon81%
Wind Icon14km/h
Wed. 7, Oct.
sunnySunny
Temperature Icon24°/6°
Humidity Icon73%
Wind Icon15.8km/h
Thu. 8, Oct.
sunnySunny
Temperature Icon25°/7°
Humidity Icon68%
Wind Icon14km/h
Fri. 9, Oct.
mistMist
Temperature Icon22°/8°
Humidity Icon78%
Wind Icon11.5km/h
Sat. 10, Oct.
patchy rain possiblePatchy rain nearby
Temperature Icon15°/5°
Humidity Icon81%
Wind Icon19.8km/h
Sun. 11, Oct.
mistMist
Temperature Icon16°/3°
Humidity Icon79%
Wind Icon8.3km/h
Mon. 12, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon16°/6°
Humidity Icon77%
Wind Icon9km/h
Tue. 13, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon17°/7°
Humidity Icon79%
Wind Icon11.5km/h
Wed. 14, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon17°/8°
Humidity Icon80%
Wind Icon11.2km/h
Thu. 15, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon17°/7°
Humidity Icon77%
Wind Icon9.9km/h
Fri. 16, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon17°/8°
Humidity Icon78%
Wind Icon10.6km/h
Sat. 17, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon16°/8°
Humidity Icon83%
Wind Icon10km/h
Sun. 18, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon17°/8°
Humidity Icon81%
Wind Icon9.3km/h
Mon. 19, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon17°/8°
Humidity Icon82%
Wind Icon10.9km/h
Tue. 20, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon15°/8°
Humidity Icon86%
Wind Icon9.2km/h
Wed. 21, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon15°/7°
Humidity Icon86%
Wind Icon10.9km/h
Thu. 22, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon15°/7°
Humidity Icon86%
Wind Icon10.6km/h
Fri. 23, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/7°
Humidity Icon87%
Wind Icon10.8km/h
Sat. 24, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/6°
Humidity Icon85%
Wind Icon10.8km/h
Sun. 25, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon12°/6°
Humidity Icon85%
Wind Icon14.2km/h
Mon. 26, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon12°/6°
Humidity Icon88%
Wind Icon12.2km/h
Tue. 27, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/5°
Humidity Icon86%
Wind Icon11.2km/h
Wed. 28, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/6°
Humidity Icon86%
Wind Icon10km/h
Thu. 29, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/6°
Humidity Icon84%
Wind Icon8.4km/h
Fri. 30, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/6°
Humidity Icon83%
Wind Icon11.3km/h
Sat. 31, Oct.
moderate or heavy rain showerRain Showers
Temperature Icon13°/5°
Humidity Icon84%
Wind Icon11km/h
Sun. 1, Nov.
moderate or heavy rain showerRain Showers
Temperature Icon13°/6°
Humidity Icon88%
Wind Icon11.1km/h
Mon. 2, Nov.
moderate or heavy rain showerRain Showers
Temperature Icon12°/5°
Humidity Icon88%
Wind Icon11.1km/h
Tue. 3, Nov.
moderate or heavy rain showerRain Showers
Temperature Icon12°/6°
Humidity Icon88%
Wind Icon10.4km/h

Highest & Lowest Weather Forecasts

TemperatureTemperature

High will be onSun. 4, Oct.

27°C

Low will be onSun. 11, Oct.

3°C

HumidityHumidity

High will be onMon. 26, Oct.

88%

Low will be onThu. 8, Oct.

68%

Wind SpeedWind Speed

High will be onSat. 10, Oct.

19.8km/h

Low will be onSun. 4, Oct.

8.3km/h

PrecipitationPrecipitation

High will be onMon. 26, Oct.

10.5mm

Low will be onFri. 9, Oct.

0.01mm

Ultraviolet IndexUV

High will be onThu. 8, Oct.

6

Low will be onFri. 23, Oct.

2

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