TODAY MAR19
TEMPERATURE31
HUMIDITY69
PRESSURE101460
WIND COND.270 18.4
  • 4736Tue20%
  • 4823Wed20%
  • 4123Thu
  • 4936Fri60%
  • 4725Sat40%
daynightWeather update from Wheeling, Wheeling Ohio County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Smithfield for July is 72.8 degrees
  • The lowest monthly average temperature in Smithfield for January is 29.6 degrees
  • The most monthly precipitation in Smithfield occurs in June with 4.5 inches
  • The air quality index in Smithfield is 7% better than the national average
  • The pollution index in Smithfield is 48% better than the national average

Compare Smithfield, OH Weather

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      Smithfield 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
      January22°F38°F30°F2.9"
      February23°F40°F30°F2.0"
      March32°F52°F41°F3.5"
      April42°F65°F53°F3.3"
      May51°F73°F62°F4.2"
      June59°F80°F69°F4.5"
      July63°F84°F73°F3.6"
      August62°F83°F72°F3.9"
      September55°F77°F65°F3.3"
      October45°F65°F54°F3.6"
      November35°F54°F44°F2.6"
      December27°F43°F34°F3.6"

      Smithfield 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.
      IndexSmithfieldOhioNational
      Air quality index394042
      Pollution index1,410,2804,472,3862,726,193

      Smithfield air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality318
      Days with moderate air quality47
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Smithfield air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.001%
      Mercury0.004%

      Average monthly Smithfield temperature with heat index

      Smithfield monthly precipitation with daily maximum

      Smithfield monthly snow depth with daily maximum

      Smithfield monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Beech Bottom, WV6253922.0%
      Lansing, OH4963922.0%
      Wolfhurst, OH1,1653922.0%
      Harrisville, OH1563922.0%
      Bridgeport, OH1,6523922.0%
      Smithfield, OH8273922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Rockford, IA8271570.0%
      Ashton, IL8274216.0%
      Oxford, MD8274118.0%
      Mayville, MI8273824.0%
      White Oak, MS8274510.0%
      Smithfield, OH8273922.0%
      Source: The Smithfield, 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.