TODAY FEB27
TEMPERATURE34
HUMIDITY61
PRESSURE29.88
WIND COND.340 14.8
  • 4020Sat20%
  • 4224Sun
  • 4726Mon
  • 4828Tue
  • 5231Wed
daynightWeather update from Boise Air Terminal at

Key findings

  • The highest monthly average temperature in Meridian for July is 79 degrees
  • The lowest monthly average temperature in Meridian for January is 30 degrees
  • The most monthly precipitation in Meridian occurs in December with 1.9 inches
  • The air quality index in Meridian is 28% better than the national average
  • The pollution index in Meridian is 86% worse than the national average

Compare Meridian, ID Weather

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      Meridian 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
      January23°F39°F30°F1.3"
      February28°F48°F37°F0.9"
      March34°F58°F45°F1.5"
      April37°F65°F51°F1.2"
      May45°F75°F60°F1.2"
      June53°F85°F69°F0.8"
      July62°F97°F79°F0.2"
      August60°F93°F77°F0.3"
      September52°F83°F67°F0.5"
      October41°F68°F53°F1.0"
      November32°F52°F41°F1.3"
      December23°F39°F31°F1.9"

      Meridian 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.
      IndexMeridianIdahoNational
      Air quality index363250
      Pollution index9,401,3602,232,2855,066,862

      Meridian 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

      Meridian air quality information

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

      Average monthly Meridian temperature with heat index

      Meridian monthly precipitation with daily maximum

      Meridian monthly snow depth with daily maximum

      Meridian monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Kuna, ID17,0153628%
      Boise, ID218,6773628%
      Middleton, ID6,4163628%
      Eagle, ID22,7113628%
      Nampa, ID87,8963628%
      Meridian, ID88,2473628%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Newton, MA88,3174314%
      Waukegan, IL88,1593922%
      Edmond, OK88,342484%
      San Tan Valley, AZ88,5077448%
      Toms River, NJ88,5374118%
      Meridian, ID88,2473628%
      Source: The Meridian, 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.