Forest Grove Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Forest Grove Weather Trend Graph

Temperature (°C)

Months

Months	Historic Min Temp.	Min Temp.	Forecasted Min Temp.	Historic Max Temp.	Max Temp.	Forecasted Max Temp.
	0.35000000000000003	0.1		6.50625	3.5
	0.04374999999999993	1.9		5.65625	9.2
	0.78125	6.6		6.70625	8.9
	1.5437500000000002	3.7		6.6125	7.5
	2.0875	2.7		7.05625	6.1
	1.9562500000000003	4.4		7.531250000000001	6.4
	1.94375	3.3		6.843749999999999	6.5
	1.6749999999999998	2.9		7.3374999999999995	6.9
	1.6437499999999996	4.4		7.499999999999999	7
	1.3874999999999997	2.5		7.000000000000001	6.1
	2.18125	3.1		7.050000000000001	6.8
	1.9374999999999998	5.6		7.88125	10.1
	1.18125	1.2		7.01875	7.8
	0.41874999999999973	0.9		6.8687499999999995	5.3
Jan.	0.9187500000000004	0.9		6.818750000000001	10.5
	0.7375	-1		7.25	6.9
	1.51875	-1.8		8.193750000000001	8
	2.20625	2.2		8.318750000000001	9.1
	2.0375	2.4		8.28125	9.5
	1.3000000000000005	-0.5		7.6000000000000005	9.1
	1.5625000000000002	-2.4		8.0875	6
	1.7437500000000004	-2.8		8.6125	5.3
	1.64375	-2.6		8.4375	6.1
	1.7187500000000002	-1.7		8.4875	7
	2.35625	2.6		9.45625	5.4
	1.5875	-0.6		8.7125	7.9
	2.1437500000000003	0.7		9.09375	6
	2.78125	4.4		9.425	9.8
	2.66875	5.7		8.850000000000001	9.8
	2.24375	8.6		8.4375	9.5
	2.4062500000000004	6.1		8.58125	10.8
	1.9562499999999998	5.5		7.812499999999999	9.1
	1.2499999999999998	6.6		8.325	9
	1.2375000000000003	4.8		7.956249999999999	12.6
	2.0687499999999996	6.6		8.374999999999998	14.1
	2.2562500000000005	3.6		8.075	10.4
	1.86875	3.5		8.268749999999999	12.3
	1.1999999999999997	6.9		8.075	9
	1.64375	6.5		8.3625	9.5
	1.6312499999999999	3.3		9.05625	9.1
	1.26875	1.6		8.7	10.9
	1.6062500000000002	2.7		9.043750000000001	9.2
	1.7687499999999996	1.9		9.11875	4.8
	1.1	1.1		8.2375	4.9
	1.825	2.8		7.762499999999999	6.8
Feb.	2.08125	1.4		8.9125	6.7
	2.6	0.2		8.374999999999998	5
	2.1187500000000004	-0.4		9.31875	4.9
	1.475	0.6		7.9437500000000005	5.5
	1.59375	-2.4		8.43125	5.2
	1.5687499999999999	0.7		8.475	3.6
	1.275	0		8.55	5.5
	0.5437500000000001	4.5		8.299999999999999	9.3
	-0.11875000000000002	0.9		7.731249999999999	7.6
	0.7125000000000002	1.3		8.4625	6.8
	-0.46875000000000006	2.6		8.18125	8
	0.4250000000000001	0.8		7.781250000000001	9.3
	1.0437500000000002	-4.9		8.5625	6.9
	2.29375	-0.1		9.14375	10.6
	1.8375000000000001	5.4		9.625	14.3
	2.0062499999999996	5.5		8.768749999999999	12.1
	1.6625	7.3		8.974999999999998	9.4
	1.46875	7.2		9.775000000000002	10.5
	1.99375	4.3		9.7875	6.4
	1.6249999999999998	5.5		9.8375	9.4
	1.2125000000000006	8.5		9.900000000000002	11.6
	1.1562500000000002	2.5		9.83125	9.7
	1.8187499999999999	-1.2		11.043750000000001	5.7
	1.8749999999999998	1.5		10.3625	7.2
	2.4250000000000003	5.3		11.2875	10.2
	3.3500000000000005	7.6		11.425	10.5
	3.0749999999999993	-0.6		10.656250000000002	9.2
	3.156250000000001	1.8		9.987499999999999	7.2
Mar.	2.675	1.6		10.94375	7.5
	2.44375	8.1		10.781250000000002	16.9
	2.2750000000000004	10.3		11.262500000000001	12.8
	2.9437499999999996	9		12.15625	13.2
	2.7375000000000003	8.8		12.45	12.7
	2.99375	8.2		12.4125	14.6
	3.4312500000000004	3.3		11.01875	8.2
	3.05625	2.5		10.731250000000001	10.4
	2.4	4.5		11.45	9.4
	3.2687500000000007	6.5		11.94375	10.3
	3.61875	2.8		11.575000000000001	7.3
	3.7375	1.7		12.0875	11.4
	3.5874999999999995	4.5		12.55	14.6
	4.256249999999999	4.6		11.337499999999999	11.5
	3.6125000000000003	3.1		11.8375	9
	4.0062500000000005	1.7		12.725000000000001	12
	3.725000000000001	4		13.4625	11.5
	3.5375	4		12.512500000000001	10.4
	2.9875	4		12.08125	13.1
	2.86875	2.7		12.700000000000001	16.1
	3.525	6.8		11.325000000000001	21.3
	3.3249999999999997	12		10.69375	26
	3.781249999999999	10.4		12.5125	24.7
	3.8062499999999995	6.4		12.799999999999997	16.6
	3.68125	5.4		13.112499999999999	19.3
	3.7937499999999997	7.6		14.28125	22.3
	4.61875	11.5		13.293750000000001	21.4
	3.9437500000000005	9.9		12.749999999999998	16.1
	3.225	9.2		12.375	14.2
	3.425	6.6		12.2	11.7
	3.3999999999999995	5.6		13.768749999999999	10.1
Apr.	3.374999999999999	2.9		14.031250000000004	8.9
	4.14375	1.9		14.356249999999998	11.3
	4.5062500000000005	2.8		14.637499999999998	13.7
	4.481250000000001	6.2		16.6375	20.3
	5.30625	10.7		15.168749999999998	23.8
	5.33125	10.9		15.125	24.7
	5.5	9		15.106250000000001	13.9
	4.2125	7.5		15.325	11.4
	4.825	6.8		15.95625	12.8
	5.987500000000001	6.1		16.0375	19.8
	5.68125	7.2		16.09375	20.2
	5.80625	6.9		15.5375	18.8
	5.0874999999999995	4.7		14.643749999999999	14.7
	5.21875	5.2		14.618749999999999	14.7
	5.2437499999999995	4.5		16.35	22.1
	5.5375000000000005	11		15.75625	26.1
	5.16875	10.2		16.31875	21.9
	5.9	8.6		16.79375	26.1
	6.4437500000000005	14.8		17.818750000000005	31
	6.44375	11.4		17.200000000000003	23.3
	6.687500000000001	9.8		16.18125	20.8
	6.7250000000000005	11.1		16.712500000000002	20.5
	6.0687500000000005	9		17.40625	20.2
	6.049999999999999	8.2		18.412499999999998	20.3
	6.7125	9.4		18.8625	25.7
	7.262499999999999	11.4		19.76875	21.2
	6.825000000000001	9.2		18.900000000000002	26.5
	7.71875	13.6		19.581250000000004	26.2
	7.75	10.8		20.59375	17.3
	9.137500000000001	8.8		21.13125	18.2
May	8.9	5.6		18.84375	13.6
	8.66875	6		18.806250000000002	12.9
	8.1875	4.3		18.64375	18.7
	7.512499999999999	7.7		18.05	20.8
	7.862499999999999	7.1		17.981250000000003	18.4
	6.9937499999999995	3.6		18.137499999999996	21.9
	7.11875	10.3		17.8125	27.7
	7.981250000000001	11.5		17.824999999999996	27
	7.824999999999999	9		17.18125	23.4
	7.425	7.2		17.40625	24.6
	7.918750000000001	8.2		17.993750000000002	16.1
	8.375	8		18.750000000000004	18.7
	8.575	10.3		19.499999999999996	25.3
	8.812500000000002	12.4		19.731250000000003	26.1
	8.9375	8.6		19.68125	16.7
	8.481250000000001	5.4		20.368750000000002	18
	8.3875	6.2		20.581250000000004	21.9
	8.893749999999999	10.1		21.575	28.1
	9.731250000000001	14.9		21.631249999999998	30.6
	9.149999999999999	10.5		20.475	21.9
	8.85	8.1		21.162499999999998	21.3
	9.781249999999998	8.4		22.787499999999998	17.6
	10.387500000000001	7.8		23.0375	17.3
	9.98125	7.1		22.325000000000003	21.5
	10.212499999999999	10		22.10625	14.4
	9.787499999999998	11.4		20.443749999999998	15.3
	8.96875	8.9		19.54375	16.9
	9.15625	9.8		21.131250000000005	24.6
	9.618750000000002	10.6		21.349999999999998	26.2
	9.21875	14.1		18.781250000000004	31
	8.40625	18.5		19.143749999999997	32.9
Jun.	8.0375	19.1		19.681250000000002	35.9
	8.756250000000001	12.4		20.13125	25.2
	9.55	9.7		20.825	25.8
	9.775	11.3		20.506249999999994	29.5
	9.3	15.6		20.8625	31.2
	9.843750000000002	10.7		21.88125	23.5
	10.4	10.4		23.506250000000005	27.9
	10.850000000000001	14.5		24.493750000000002	32.1
	10.8875	19.3		24.543749999999996	34.8
	11.587499999999999	15.2		24.65625	33.2
	11.724999999999998	12.4		23.95	22.9
	11.75625	12.1		24.906249999999996	18.8
	12.818749999999998	11.7		25.381249999999998	20.2
	12.481250000000001	11.5		25.018750000000004	17.5
	11.631250000000001	10		25.362500000000004	18.5
	12.28125	9.9		26.5	19
	12.3	9.5		25.768750000000004	20.8
	11.924999999999999	9.4		24.60625	23.7
	11.725000000000001	13.1		24.51875	28.2
	11.00625	13.2		25.325	24.9
	11.75625	12.6		26.643750000000004	29
	12.243749999999999	14.6		27.28125	32.2
	12.668750000000001	11.8		26.4375	28.5
	12.187500000000002	12.5		27.174999999999997	28.3
	13.25	10.4		26.79375	29.8
	12.781249999999998	12.4		25.218749999999996	29.2
	12.593750000000002	13		26.55	21.8
	13.143749999999999	9.5		26.41875	27
	12.9625	12.3		26.325000000000003	31
	12.1125	13.3		27.968750000000004	31.8
Jul.	12.89375	14.3		28.243750000000002	31.7
	13.499999999999998	14.6		26.1875	22.1
	12.275	12.3		25.724999999999998	25.5
	12.356250000000001	11.6		27.00625	28.6
	12.381250000000001	12.9		26.787499999999998	31
	12.5	17		26.3125	34.2
	12.643749999999999	18.9		26.474999999999998	38.8
	12.725	20.8		27.16875	39.5
	12.781249999999998	14.6		26.499999999999996	29
	12.881250000000001	14.6		27.575000000000003	32.3
	13.237499999999999	12.4		27.256249999999998	22.5
	13.043749999999998	12.6		27.95	26.5
	13.19375	12		27.700000000000003	28.9
	13.306249999999999	13.6		28.706250000000008	23.9
	14.031250000000002	12.4		29.73125	29
	14.71875	11.6		30.275	29.1
	14.65625	14.1		28.8625	33.1
	14.156250000000002	13.9		28.843749999999996	24.2
	14.24375	10.8		28.781250000000004	24.3
	14.262500000000001	12.8		28.412499999999998	29.7
	14.312500000000004	18		28.881249999999998	34.2
	14.437500000000002	19		29.44375	35.5
	14.499999999999998	16.2		28.206250000000004	35.3
	13.54375	15.3		27.825	34
	13.2375	15.5		26.824999999999996	34.6
	13.6375	13.2		27.362499999999997	31.7
	13.799999999999999	12		27.75625	30.3
	14.906249999999998	13.1		28.918749999999996	31.3
	14.424999999999999	14.8		29.25	27
	14.343750000000002	13.6		29.249999999999996	30.9
	14.66875	15.7		29.075000000000003	30.1
Aug.	15.031249999999998	12.7		28.63125	28.9
	14.74375		10.8	29.268749999999997		30
	14.7375		11.9	28.824999999999996		31.2
	14.01875		9.9	28.943749999999998		28.7
	13.9125		10.9	27.868749999999995		28.2
	13.349999999999998		11.2	27.762500000000003		31.9
	13.512499999999998		11.4	27.725		28.7
	13.412499999999998		9.7	26.362500000000004		24.9
	13.4		13	26.518750000000004		26.4
	13.106249999999998		12.9	26.662499999999998		26.9
	13.2375		13.4	27.212500000000002		27.6
	13.762500000000001		13.8	27.881250000000005		27.9
	14.056249999999999		13.8	27.518749999999997		26.9
	13.5875		13.2	27.243750000000002		27.2
	13.3625		13.7	25.65625		25.6
	13.006249999999998		12.8	24.775		24.6
	12.250000000000002		12.6	23.65		23.7
	12.45		12.4	25.65		25.5
	12.74375		12.6	26.88125		26.6
	13.44375		13.3	26.45625		26.5
	12.312499999999998		12.5	26.625		26.7
	13.3		13.4	27.393749999999997		26.9
	13.275		13.4	26.906250000000004		26.4
	13.162500000000001		13.2	26.468750000000004		26.2
	13.2125		12.5	25.6375		24.6
	12.906249999999998		12.4	25.1375		24.7
	12.899999999999999		13.2	25.437500000000004		25.8
	13.018749999999999		12.5	26.187500000000004		25.6
	11.937500000000002		12.2	24.5375		25.3
	11.693749999999998		11.8	23.90625		24.2
	11.362499999999999		11.5	24.181250000000002		23.9
Sep.	11.35625		11.4	22.75		23.1
	11.275000000000002			22.93125
	11.325000000000003			21.706249999999997
	11.412499999999998			20.8
	10.8			22.412499999999998
	10.749999999999998			21.85625
	10.493749999999999			22.15
	10			21.03125
	10.30625			20.662499999999998
	11.125			21.70625
	11.03125			21.66875
	10.95			20.931250000000002
	10.668750000000001			21.35625
	10.562500000000002			21.1625
	10.325000000000001			19.712500000000002
	9.4375			20.199999999999996
	8.849999999999998			20.025
	8.912500000000001			19.475
	8.625			18.90625
	8.7625			19.575
	8.893749999999999			19.49375
	9.462499999999997			21.0875
	10.19375			19.718750000000007
	9.33125			19.46875
	9.0375			17.925
	8.05625			16.8125
	7.2375			16.6
	6.9625			17.325
	7.2875			17.312499999999996
	7.862500000000001			17.56875
Oct.	8.61875			18.018749999999997
	8.525			17.8625
	7.85			16.6625
	7.4625			17.693749999999998
	7.79375			17.506249999999998
	7.8812500000000005			16.787499999999998
	7.518749999999999			16.025
	7.85			15.531250000000002
	6.5874999999999995			14.531249999999996
	6.806249999999999			14.081250000000002
	6.0375000000000005			12.6
	5.531250000000001			12.993749999999997
	6.031249999999998			13.668750000000001
	6.825000000000001			13.243749999999999
	6.518749999999999			14.037499999999998
	6.40625			13.7625
	6.4125000000000005			13.2875
	6.10625			12.406250000000002
	5.83125			13.037499999999998
	5.625			12.700000000000001
	6.13125			13.031249999999998
	6.9			12.818749999999998
	6.012500000000001			11.737499999999999
	4.9312499999999995			11.149999999999999
	4.106250000000001			11.625
	3.70625			10.8375
	3.8187499999999996			10.68125
	3.96875			11.30625
	4.9			10.568749999999998
	5.00625			10.44375
	5.2625			10.868749999999999
Nov.	4.5			10.4125
	3.056250000000001			10.15
	3.2625			9.625
	3.35			9.0875
	2.25			8.643749999999999
	2.1500000000000004			9.00625
	3.0125			9.468749999999998
	3.2375			9.53125
	2.3375			8.70625
	2.375			8.38125
	2.81875			8.8
	3.58125			8.63125
	3.6687499999999997			9.512500000000001
	1.99375			8.13125
	1.3562499999999997			7.4750000000000005
	1.6875000000000002			7.2375
	1.7500000000000002			8.39375
	1.4000000000000001			7.6625
	1.6437499999999998			7.79375
	2.3625			7.85625
	2.1875			7.937499999999999
	2.0500000000000003			7.481249999999998
	2.3499999999999996			7.512500000000001
	1.9437499999999996			7.675
	2.36875			7.4750000000000005
	2.8125			7.31875
	2.60625			8.34375
	2.43125			7.512499999999999
	1.48125			7.2875000000000005
	0.8			7.1499999999999995
Dec.	1.30625			6.3875
	1.46875			6.93125
	1.16875			7.706249999999999
	2.1375			7.437499999999999
	2.11875			7.031249999999999
	2.4			7.6375
	2.2624999999999997			7.450000000000001
	1.5812500000000003			6.6187499999999995
	0.8875000000000002			7.0249999999999995
	1.26875			5.818750000000001
	1.175			6.4437500000000005
	0.6125			5.681250000000001
	1.6687500000000002			6.25625
	2.55625			7.25625
	2.19375			6.831250000000001
	0.4937499999999999			6.749999999999998
	-0.5400000000000003			5.760000000000001

Max Temp.

Historic Max Temp.

Min Temp.

Historic Min Temp.

Yearly Summary 2026

40°C

Highest Temp

22 Jul. 26

-5°C

Lowest Temp

27 Feb. 26

Seasonal Breakdown

Hottest MonthAugust30.8°C

Coldest MonthJanuary2.05°C

Wettest MonthFebruary12.39mm

Windiest MonthJune13.61km/h

Forest Grove Climate Change InsightsSee how climate patterns are evolving over time. Temperature shifts, rainfall trends, and extreme events—all in one place.

Weather City Ranking GloballyExplore Real time of the world’s hottest & Coldest Cities based on current temperature data.

Frequently Asked Questions

1. What is the hottest month in Forest Grove historically?

August is historically Forest Grove's hottest month, with average maximum temperatures around 28°C. During peak heatwave events, the highest recorded temperatures have reached 43°C on 2021-06-28.

2. What is the coldest month in Forest Grove historically?

February is Forest Grove's coldest month, with average minimum temperatures around 1°C. The all-time record low of -12°C was recorded on 2024-01-16.

3. What is the average annual rainfall in Forest Grove over the past 17 years?

Forest Grove's average annual rainfall is approximately 1291.6mm, based on records spanning 17 years.

4. How many rainy days does Forest Grove experience on average per year?

Forest Grove historically records approximately 176.2 rainy days per year. December has the highest number of rain days at an average of 21.5 days.

5. What is the all-time highest temperature ever recorded in Forest Grove?

The all-time highest temperature recorded in Forest Grove is 43°C on 2021-06-28.

6. What is the all-time lowest temperature ever recorded in Forest Grove?

The all-time lowest temperature recorded in Forest Grove is -12°C on 2024-01-16.

7. What is the windiest time of year in Forest Grove historically?

Forest Grove experiences its strongest winds during March. The historic gust record of 38.5 kph was recorded on 2010-01-18.

8. What is the highest and lowest humidity in Forest Grove during a year?

Usually, Forest Grove's humidity peaks in December at around 88.5% and drops to its lowest in August at approximately 64.7%.

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Forest Grove Historic Weather Records
Analyse hottest, coldest, windiest & wettest days

Forest Grove Weather Trend Graph

Yearly Summary 2026

Seasonal Breakdown

Frequently Asked Questions

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Forest Grove Historic Weather Records
Analyse hottest, coldest, windiest & wettest days