TODAY AUG18
TEMPERATURE70
HUMIDITY36
PRESSURE
WIND COND.144 18
  • 8555Sun20%
  • 8453Mon20%20%
  • 8355Tue
  • 8454Wed20%20%
  • 8149Thu
daynightWeather update from MISSION CREEK at

Winchester 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
January28°F43°F36°F1.0"
February30°F49°F39°F1.0"
March35°F57°F45°F1.6"
April39°F65°F51°F1.4"
May46°F75°F60°F1.5"
June53°F82°F67°F1.3"
July60°F95°F77°F0.3"
August59°F93°F76°F0.4"
September51°F82°F66°F0.6"
October42°F66°F53°F1.1"
November33°F51°F42°F1.3"
December27°F41°F34°F1.4"

Did you know?

  • The highest monthly average temperature in Winchester for July is 77 degrees.
  • The lowest monthly average temperature in Winchester for December is 34 degrees.
  • The most monthly precipitation in Winchester occurs in March with 1.6 inches.
  • The air quality index in Winchester is 37% better than the national average.
  • The pollution index in Winchester is 33% better than the national average.

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Compare Winchester, ID Weather To Other Cities

Winchester 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.
IndexWinchesterIdahoNational
Air quality index313250
Pollution index3,385,4102,232,2855,066,862

Winchester air quality information

MeasurementTotal
Days measured323
Days with good air quality252
Days with moderate air quality71
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Winchester air quality information

PollutantTotal
Arsenic0.030%
Benzene0.030%
Carbon Tetrachloride0.020%
Lead0.040%
Mercury0.001%

Average monthly Winchester temperature with heat index

Winchester monthly precipitation with daily maximum

Winchester monthly snow depth with daily maximum

Winchester monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Craigmont, ID4673138%
Reubens, ID713138%
Culdesac, ID3593138%
Sweetwater, ID2053138%
Ferdinand, ID1383138%
Winchester, ID3003138%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Glenvil, NE300265430%
Nelsonia, VA3003726%
Juliustown, NJ3004020%
Fargo, GA3003824%
Sycamore, OK3003726%
Winchester, ID3003138%
Source: The Winchester, ID 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.