TODAY OCT21
TEMPERATURE26
HUMIDITY84
PRESSURE30.39
WIND COND.
  • 6034Mon
  • 5132Tue
  • 5137Wed
  • 5038Thu
  • 5140Fri20%
daynightWeather update from Iowa City, Iowa City Municipal Airport at
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West Branch 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 Branch for July is 75 degrees.
  • The lowest monthly average temperature in West Branch for January is 23 degrees.
  • The most monthly precipitation in West Branch occurs in June with 6.1 inches.
  • The air quality index in West Branch is 15% better than the national average.
  • The pollution index in West Branch is 82% better than the national average.

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West Branch 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 BranchIowaNational
Air quality index423950
Pollution index876,9961,643,8365,066,862

West Branch 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 Branch air quality information

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

Average monthly West Branch temperature with heat index

West Branch monthly precipitation with daily maximum

West Branch monthly snow depth with daily maximum

West Branch monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Ely, IA2,1334216%
Solon, IA2,3994216%
Hills, IA7304216%
North Liberty, IA16,9844216%
Tipton, IA3,2014216%
West Branch, IA2,5814216%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Chester Heights, PA2,5815714%
Horseheads North, NY2,5813040%
East Williston, NY2,581536%
Chester, WV2,581688%
Cle Elum, WA2,5801864%
West Branch, IA2,5814216%
Source: The West Branch, 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.