TODAY NOV22
TEMPERATURE39
HUMIDITY93
PRESSURE100440
WIND COND.300 16.6
  • 4835Sat40%
  • 4639Sun
  • 5234Mon40%
  • 4028Tue
  • 3928Wed
daynightWeather update from St Clair County International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Port Huron for July is 70.9 degrees
  • The lowest monthly average temperature in Port Huron for February is 24.1 degrees
  • The most monthly precipitation in Port Huron occurs in July with 4 inches
  • The air quality index in Port Huron is 33% worse than the national average
  • The pollution index in Port Huron is 1007% worse than the national average

Compare Port Huron, MI Weather

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      Port Huron 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
      January18°F32°F25°F3.5"
      February16°F32°F24°F2.2"
      March26°F43°F33°F2.2"
      April36°F57°F45°F2.8"
      May46°F69°F57°F3.2"
      June56°F77°F66°F3.6"
      July61°F81°F71°F4.0"
      August60°F80°F69°F3.3"
      September53°F74°F63°F3.1"
      October43°F62°F52°F2.5"
      November33°F49°F41°F2.9"
      December24°F37°F30°F3.0"

      Port Huron 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.
      IndexPort HuronMichiganNational
      Air quality index566942
      Pollution index30,180,3004,161,6062,726,193

      Port Huron air quality

      MeasurementTotal
      Days measured365
      Days with good air quality135
      Days with moderate air quality217
      Days w/ poor A.Q. for sensitive groups13
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.030%
      Benzene0.390%
      Carbon Tetrachloride0.080%
      Lead0.130%
      Mercury0.010%

      Average monthly Port Huron temperature with heat index

      Port Huron monthly precipitation with daily maximum

      Port Huron monthly snow depth with daily maximum

      Port Huron monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Marysville, MI9,6955612.0%
      St. Clair, MI5,3545612.0%
      Port Huron, MI28,9185612.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ridgecrest, CA28,9056734.0%
      New Iberia, LA28,9654118.0%
      Mehlville, MO28,824548.0%
      Paragould, AR28,8212648.0%
      Bella Vista, AR28,8194412.0%
      Port Huron, MI28,9185612.0%
      Source: The Port Huron, MI 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.