TODAY AUG17
TEMPERATURE47
HUMIDITY86
PRESSURE30.24
WIND COND.260 3.4
  • 8354Sat
  • 8656Sun
  • 9159Mon20%
  • 9257Tue
  • 8555Wed
daynightWeather update from Portland, Portland-Hillsboro Airport at

North Plains Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January33°F47°F39°F4.8"
February34°F52°F42°F3.8"
March37°F56°F46°F4.5"
April39°F62°F50°F2.5"
May44°F70°F56°F2.1"
June49°F75°F61°F1.3"
July52°F84°F67°F0.3"
August52°F85°F68°F0.4"
September48°F78°F62°F1.4"
October42°F65°F52°F3.6"
November37°F53°F45°F5.8"
December32°F45°F38°F6.0"

Did you know?

  • The highest monthly average temperature in North Plains for August is 68 degrees.
  • The lowest monthly average temperature in North Plains for December is 38 degrees.
  • The most monthly precipitation in North Plains occurs in December with 6 inches.
  • The air quality index in North Plains is 23% better than the national average.
  • The pollution index in North Plains is 198% worse than the national average.

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Compare North Plains, OR Weather To Other Cities

North Plains air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexNorth PlainsOregonNational
Air quality index383250
Pollution index15,149,9005,374,5275,066,862

North Plains air quality information

MeasurementTotal
Days measured365
Days with good air quality241
Days with moderate air quality108
Days w/ poor A.Q. for sensitive groups12
Days with unhealthy air quality4

North Plains air quality information

PollutantTotal
Arsenic0.010%
Benzene0.160%
Carbon Tetrachloride0.030%
Lead0.080%
Mercury0.010%

Average monthly North Plains temperature with heat index

North Plains monthly precipitation with daily maximum

North Plains monthly snow depth with daily maximum

North Plains monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Aloha, OR54,9083824%
Bull Mountain, OR9,6843824%
Durham, OR1,4173824%
Hillsboro, OR100,4623824%
Oak Hills, OR11,6783824%
North Plains, OR2,0723824%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Gaylord, MN2,0724412%
Kualapuu, HI2,0722844%
Prince George, VA2,0713922%
Gap, PA2,0714510%
Greenport, NY2,073492%
North Plains, OR2,0723824%
Source: The North Plains, OR weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.