TODAY JUN24
TEMPERATURE65
HUMIDITY52
PRESSURE30.1
WIND COND.
  • 9456Mon
  • 8454Tue
  • 9057Wed
  • 8456Thu
  • 8055Fri
daynightWeather update from Caldwell - Caldwell Industrial Airport at

Caldwell 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
January1°F54°F31°F0.4"
February7°F59°F35°F0.2"
March16°F75°F43°F0.8"
April21°F88°F50°F0.5"
May28°F93°F60°F1.1"
June39°F100°F67°F0.8"
July48°F106°F77°F0.5"
August37°F102°F72°F0.1"
September36°F99°F62°F0.7"
October16°F86°F49°F1.1"
November12°F75°F39°F0.4"
December-6°F57°F29°F0.9"

Did you know?

  • The highest monthly average temperature in Caldwell for July is 77 degrees.
  • The lowest monthly average temperature in Caldwell for December is 29 degrees.
  • The most monthly precipitation in Caldwell occurs in October with 1.1 inches.
  • The air quality index in Caldwell is 27% better than the national average.
  • The pollution index in Caldwell is 85% worse than the national average.

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Compare Caldwell, ID Weather To Other Cities

Caldwell 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.
IndexCaldwellIdahoNational
Air quality index363250
Pollution index9,401,3602,232,2855,066,862

Caldwell air quality information

MeasurementTotal
Days measured365
Days with good air quality293
Days with moderate air quality60
Days w/ poor A.Q. for sensitive groups9
Days with unhealthy air quality3

Caldwell air quality information

PollutantTotal
Arsenic0.060%
Benzene0.130%
Carbon Tetrachloride0.090%
Lead0.070%
Mercury0.020%

Average monthly Caldwell temperature with heat index

Caldwell monthly precipitation with daily maximum

Caldwell monthly snow depth with daily maximum

Caldwell monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Greenleaf, ID1,5303628%
Meridian, ID88,2473628%
Parma, ID2,2283628%
Homedale, ID2,5933628%
Middleton, ID6,4163628%
Caldwell, ID50,2883628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Rowland Heights, CA50,2818570%
Aliso Viejo, CA50,2198570%
Charleston, WV50,2103432%
Burien, WA50,187492%
Coral Gables, FL50,5334118%
Caldwell, ID50,2883628%
Source: The Caldwell, 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.