TODAY OCT20
TEMPERATURE48
HUMIDITY76
PRESSURE30
WIND COND.270 8.1
  • 5128Sat
  • 5341Sun
  • 6237Mon
  • 5434Tue
  • 5338Wed
daynightWeather update from Washington at
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West Chester 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
January15°F32°F23°F1.0"
February17°F35°F25°F1.1"
March30°F51°F39°F2.4"
April41°F64°F52°F4.8"
May51°F74°F62°F4.6"
June62°F84°F73°F6.1"
July66°F86°F75°F4.7"
August64°F84°F73°F4.5"
September55°F78°F66°F3.3"
October43°F65°F53°F3.3"
November31°F51°F40°F1.9"
December19°F35°F27°F1.9"

Did you know?

  • The highest monthly average temperature in West Chester for July is 75 degrees.
  • The lowest monthly average temperature in West Chester for January is 23 degrees.
  • The most monthly precipitation in West Chester occurs in June with 6.1 inches.
  • The air quality index in West Chester is 15% better than the national average.
  • The pollution index in West Chester is 88% better than the national average.

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West Chester 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.
IndexWest ChesterIowaNational
Air quality index423950
Pollution index577,8381,643,8365,066,862

West Chester air quality information

MeasurementTotal
Days measured365
Days with good air quality244
Days with moderate air quality120
Days w/ poor A.Q. for sensitive groups1
Days with unhealthy air quality

West Chester air quality information

PollutantTotal
Arsenic0.000%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.090%
Mercury0.000%

Average monthly West Chester temperature with heat index

West Chester monthly precipitation with daily maximum

West Chester monthly snow depth with daily maximum

West Chester monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Coppock, IA494216%
Hills, IA7304216%
North English, IA1,1484216%
Pleasant Plain, IA564216%
Washington, IA7,3684216%
West Chester, IA914216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Browning, IL913530%
Bushnell, SD913530%
Union Grove, AL913726%
Berwyn, NE911962%
Morrison, MO913726%
West Chester, IA914216%
Source: The West Chester, IA 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.