TODAY DEC08
TEMPERATURE45
HUMIDITY100
PRESSURE29.98
WIND COND.300 4.7
  • 4736
  • 4836Mon
  • 4740Tue50%60%
  • 4842Wed30%
  • 4942Thu
daynightWeather update from Arlington Municipal at
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Oso 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°F46°F39°F3.0"
February34°F50°F41°F1.7"
March37°F54°F45°F3.4"
April40°F59°F48°F2.0"
May45°F65°F54°F2.4"
June49°F70°F59°F1.9"
July52°F77°F63°F1.3"
August52°F78°F63°F1.4"
September49°F71°F58°F2.4"
October43°F60°F50°F3.4"
November37°F52°F44°F4.0"
December32°F44°F38°F3.1"

Did you know?

  • The highest monthly average temperature in Oso for August is 63 degrees.
  • The lowest monthly average temperature in Oso for December is 38 degrees.
  • The most monthly precipitation in Oso occurs in November with 4 inches.
  • The air quality index in Oso is 38% better than the national average.
  • The pollution index in Oso is 211% worse than the national average.

Compare Oso, WA Weather To Other Cities

Oso 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.
IndexOsoWashingtonNational
Air quality index313650
Pollution index15,778,9008,596,9895,066,862

Oso air quality information

MeasurementTotal
Days measured365
Days with good air quality344
Days with moderate air quality21
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Oso air quality information

PollutantTotal
Arsenic0.010%
Benzene0.270%
Carbon Tetrachloride0.040%
Lead0.160%
Mercury0.003%

Average monthly Oso temperature with heat index

Oso monthly precipitation with daily maximum

Oso monthly snow depth with daily maximum

Oso monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Big Lake, WA1,9043138%
Granite Falls, WA3,4583138%
Rockport, WA893138%
Verlot, WA1633138%
Bryant, WA2,0013138%
Oso, WA2933138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Chambers, NE293265430%
Steamboat, AZ2931766%
Gays, IL2933726%
Chaplin, KY2935510%
Tyonek, AK2932942%
Oso, WA2933138%
Source: The Oso, WA 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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