TODAY NOV14
TEMPERATURE39
HUMIDITY100
PRESSURE30.03
WIND COND.
  • 5645Fri90%20%
  • 5645Sat
  • 5748Sun50%
  • 5746Mon
  • 5441Tue
daynightWeather update from Portland, Portland-Hillsboro Airport at
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Bethany Average Temperature

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 Bethany for August is 68 degrees.
  • The lowest monthly average temperature in Bethany for December is 38 degrees.
  • The most monthly precipitation in Bethany occurs in December with 6 inches.
  • The air quality index in Bethany is 24% better than the national average.
  • The pollution index in Bethany is 199% worse than the national average.

Compare Bethany, OR Weather To Other Cities

Bethany 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.
IndexBethanyOregonNational
Air quality index383250
Pollution index15,149,9005,374,5275,066,862

Bethany 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

Bethany air quality information

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

Average monthly Bethany temperature with heat index

Bethany monthly precipitation with daily maximum

Bethany monthly snow depth with daily maximum

Bethany monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Banks, OR1,6883824%
Cedar Mill, OR15,9933824%
Garden Home-Whitford, OR6,2913824%
Jennings Lodge, OR7,7273824%
Maywood Park, OR9393824%
Bethany, OR22,8193824%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Radcliff, KY22,8064314%
Granite Bay, CA22,8405510%
Socastee, SC22,7861570%
Marysville, OH22,8604314%
Palm River-Clair Mel, FL22,8604314%
Bethany, OR22,8193824%
Source: The Bethany, 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.
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