TODAY DEC28
TEMPERATURE55
HUMIDITY83
PRESSURE101590
WIND COND.
  • 6251Sat20%40%
  • 6342Sun100%80%
  • 5240Mon20%
  • 5236Tue100%80%
  • 4028
daynightWeather update from Huntington, Tri-State Airport at
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Weather Quick Facts

  • The highest monthly average temperature in West Portsmouth for July is 75.8 degrees
  • The lowest monthly average temperature in West Portsmouth for February is 32.5 degrees
  • The most monthly precipitation in West Portsmouth occurs in October with 13.4 inches
  • The air quality index in West Portsmouth is 67% better than the national average
  • The pollution index in West Portsmouth is 52% better than the national average

Compare West Portsmouth, OH Weather

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      West Portsmouth 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
      January31°F48°F38°F4.1"
      February22°F45°F33°F3.8"
      March31°F55°F41°F8.2"
      April46°F69°F56°F11.0"
      May56°F78°F66°F0.8"
      June65°F83°F74°F12.8"
      July68°F86°F76°F7.5"
      August65°F85°F74°F5.1"
      September61°F82°F70°F4.7"
      October48°F71°F58°F13.4"
      November38°F59°F46°F3.2"
      December32°F50°F40°F7.1"

      West Portsmouth 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 PortsmouthOhioNational
      Air quality index144042
      Pollution index1,306,3104,472,3862,726,193

      West Portsmouth air quality

      MeasurementTotal
      Days measured365
      Days with good air quality356
      Days with moderate air quality9
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.290%
      Mercury0.120%

      Average monthly West Portsmouth temperature with heat index

      West Portsmouth monthly precipitation with daily maximum

      West Portsmouth monthly snow depth with daily maximum

      West Portsmouth monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Otway, OH211472.0%
      Franklin Furnace, OH1,7951472.0%
      McDermott, OH3541472.0%
      New Boston, OH2,6571472.0%
      Garrison, KY7501472.0%
      West Portsmouth, OH2,6461472.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Chewelah, WA2,6454314.0%
      Hamburg, AR2,6473530.0%
      Green Island, NY2,6473726.0%
      Freer, TX2,6473040.0%
      Holyrood, NL2,647n/a 
      West Portsmouth, OH2,6461472.0%
      Source: The West Portsmouth, OH 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.