Forest Grove, Oregon, United States Climate

Weather: 6.64°C/43.95°F, Wind SW at 7.2 km/h, 85% Humidity, 0.6% Chance of rain

United States
(Photo by Luis Müller on Unsplash)

Forest Grove Climate Summary

Located at an elevation of None meters (0 feet) above sea level, Forest Grove has a Mediterranean, warm summer climate (Classification: Csb). The district’s yearly temperature is 12.94ºC (55.29ºF) and it is 0.3% higher than United States’s averages. Forest Grove typically receives about 36.06 millimeters (1.42 inches) of precipitation and has 40.82 rainy days (11.18% of the time) annually.

CountryUnited States
CityOregon
Longitude-123.1211134
Latitude45.526998
Attitude/ElevationNonem (0ft)
Local timeThursday 16:44
Annual high temperature16.45ºC (61.61ºF)
Annual low temperature6.55ºC (43.79ºF)
Average annual precip.36.06mm (1.42in)
Warmest monthAugust (27.46ºC / 81.43ºF)
Coldest MonthFebruary (0.67ºC / 33.21ºF)
Wettest MonthJanuary (87.65mm / 3.45in)
Driest MonthAugust (3.86mm / 0.15in)
Number of days with rainfall (≥ 1.0 mm)40.82 days (11.18%)
Days with no rain324.18 days (88.82%)
Humidity74.43%

Climate Forest Grove: Weather By Month

MonthJanFebMarAprMayJunJulAugSepNovOctDecYear
Record high °C (°F)14.0(57.2)15.0(59.0)21.0(69.8)29.0(84.2)32.0(89.6)34.0(93.2)37.0(98.6)38.0(100.4)34.0(93.2)30.0(86.0)18.0(64.4)12.0(53.6)38.0(100.4)
Average high °C (°F)8.27(46.89)7.55(45.59)11.09(51.96)14.7(58.46)20.37(68.67)22.5(72.5)27.03(80.65)27.46(81.43)22.79(73.02)16.66(61.99)11.17(52.11)7.8(46.04)16.45(61.61)
Daily mean °C (°F)6.24(43.23)4.92(40.86)7.61(45.7)11.43(52.57)16.56(61.81)18.57(65.43)22.32(72.18)22.54(72.57)18.33(64.99)12.91(55.24)8.29(46.92)5.56(42.01)12.94(55.29)
Average low °C (°F)2.39(36.3)0.67(33.21)2.08(35.74)5.02(41.04)8.16(46.69)9.5(49.1)12.57(54.63)13.29(55.92)11.27(52.29)7.34(45.21)4.33(39.79)1.94(35.49)6.55(43.79)
Record low °C (°F)-8.0(17.6)-6.0(21.2)-5.0(23.0)-1.0(30.2)2.0(35.6)4.0(39.2)7.0(44.6)8.0(46.4)2.0(35.6)0.0(0)-2.0(28.4)-6.0(21.2)-8.0(17.6)
Average precipitation mm (inches)87.65(3.45)39.08(1.54)35.56(1.4)42.78(1.68)25.78(1.01)18.32(0.72)4.15(0.16)3.86(0.15)28.15(1.11)30.77(1.21)43.93(1.73)72.72(2.86)36.06(1.42)
Average precipitation days (≥ 1.0 mm)6.184.453.824.183.02.640.821.092.733.03.645.273.4
Average relative humidity (%)86.082.4476.8274.8370.2767.1264.0162.9970.2871.4879.8687.0174.43
Mean monthly sunshine hours5.837.418.979.0712.5614.614.4511.3210.399.556.375.639.68

Climate Graph

The chart below shows the mean monthly temperature and precipitation of Forest Grove in recent years.

Forest Grove

Forest Grove Temperature by Month

August
22.54°C | 72.57°F
July
22.32°C | 72.18°F
June
18.57°C | 65.43°F
September
18.33°C | 64.99°F
May
16.56°C | 61.81°F
October
12.91°C | 55.24°F
April
11.43°C | 52.57°F
November
8.29°C | 46.92°F
March
7.61°C | 45.7°F
January
6.24°C | 43.23°F
December
5.56°C | 42.01°F
February
4.92°C | 40.86°F

Historical Data

Summary
  • 2020
  • 2019
  • 2018
  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December
TemperatureMaxAverageMin
Max Temperature38.0°C (100.4°F)28.77°C (83.79°F)20.0°C (68.0°F)
Avg Temperature31.0°C (87.8°F)23.81°C (74.86°F)16.0°C (60.8°F)
Min Temperature19.0°C (66.2°F)13.61°C (56.5°F)8.0°C (46.4°F)
Dew PointMaxAverageMin
Dew Point16.0°C (60.8°F)11.52°C (52.74°F)8.0°C (46.4°F)
PrecipitationMaxAverageMinSum
Precipitation3.3mm | 0.13in0.3mm | 0.01in0.0mm | 0in9.3mm | 0.37in
Snowdepth0.0mm | 0in0.0mm | 0in0.0mm | 0in0.0mm | 0in
WindMaxAverageMin
Wind10.0kmh | 6.21mph5.65kmh | 3.51mph4.0kmh | 2.49mph
Gust Wind15.0kmh | 9.32mph8.48kmh | 5.27mph5.0kmh | 3.11mph
Sea Level PressureMaxAverageMin
Sea Level Pressure3.3mb0.3mb0.0mb
Forest Grove

Daily Observations

TimeTemperatureDew PointHumidityWind SpeedPressurePrecipitation
August° C | ° F° C | ° F%Kph | MphHg | MbTotal (mm/in)
2018-08-0126 | 78.813 | 55.4625 | 3.1130.03 | 10170.0 | 0.0
2018-08-0219 | 66.211 | 51.8724 | 2.4930.06 | 10180.0 | 0.0
2018-08-0320 | 68.012 | 53.6704 | 2.4930.09 | 10190.6 | 0.02
2018-08-0424 | 75.212 | 53.6635 | 3.1130.0 | 10160.0 | 0.0
2018-08-0527 | 80.613 | 55.4594 | 2.4930.0 | 10160.0 | 0.0
2018-08-0627 | 80.614 | 57.2635 | 3.1130.09 | 10190.0 | 0.0
2018-08-0729 | 84.213 | 55.4546 | 3.7329.97 | 10150.0 | 0.0
2018-08-0831 | 87.815 | 59.0524 | 2.4929.91 | 10130.0 | 0.0
2018-08-0931 | 87.816 | 60.8575 | 3.1129.97 | 10150.0 | 0.0
2018-08-1025 | 77.013 | 55.4596 | 3.7330.0 | 10160.0 | 0.0
2018-08-1120 | 68.012 | 53.6748 | 4.9730.09 | 10192.2 | 0.09
2018-08-1221 | 69.812 | 53.6708 | 4.9730.12 | 10200.0 | 0.0
2018-08-1326 | 78.811 | 51.8608 | 4.9730.0 | 10160.0 | 0.0
2018-08-1430 | 86.012 | 53.6495 | 3.1129.88 | 10120.0 | 0.0
2018-08-1528 | 82.415 | 59.0595 | 3.1129.91 | 10130.0 | 0.0
2018-08-1624 | 75.210 | 50.0557 | 4.3530.06 | 10180.3 | 0.01
2018-08-1722 | 71.68 | 46.4567 | 4.3530.21 | 10230.0 | 0.0
2018-08-1824 | 75.210 | 50.0576 | 3.7330.18 | 10220.0 | 0.0
2018-08-1926 | 78.813 | 55.4615 | 3.1130.06 | 10180.0 | 0.0
2018-08-2026 | 78.812 | 53.6556 | 3.7330.0 | 10160.0 | 0.0
2018-08-2127 | 80.68 | 46.43910 | 6.2130.0 | 10160.0 | 0.0
2018-08-2228 | 82.411 | 51.8485 | 3.1129.97 | 10150.0 | 0.0
2018-08-2319 | 66.210 | 50.0694 | 2.4930.06 | 10180.0 | 0.0
2018-08-2417 | 62.69 | 48.2705 | 3.1130.09 | 10190.1 | 0.0
2018-08-2519 | 66.28 | 46.4644 | 2.4930.06 | 10180.0 | 0.0
2018-08-2616 | 60.811 | 51.8795 | 3.1130.06 | 10183.3 | 0.13
2018-08-2720 | 68.010 | 50.0678 | 4.9730.03 | 10171.0 | 0.04
2018-08-2824 | 75.29 | 48.2537 | 4.3530.0 | 10160.0 | 0.0
2018-08-2924 | 75.211 | 51.8565 | 3.1129.94 | 10140.0 | 0.0
2018-08-3019 | 66.212 | 53.6764 | 2.4930.03 | 10171.3 | 0.05
2018-08-3119 | 66.211 | 51.8735 | 3.1130.12 | 10200.5 | 0.02

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