TODAY NOV06
TEMPERATURE61
HUMIDITY87
PRESSURE102270
WIND COND.230 5.4
  • 8063Wed
  • 7958Thu30%40%
  • 6953Fri30%
  • 6652Sat
  • 7160Sun40%
daynightWeather update from Newport News, Newport News / Williamsburg International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Smithfield for July is 80.4 degrees
  • The lowest monthly average temperature in Smithfield for February is 39.3 degrees
  • The most monthly precipitation in Smithfield occurs in October with 17.8 inches
  • The air quality index in Smithfield is 5% better than the national average
  • The pollution index in Smithfield is 40% better than the national average

Compare Smithfield, VA 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
      January34°F48°F41°F5.3"
      February33°F45°F39°F2.4"
      March40°F57°F49°F4.6"
      April50°F67°F59°F11.1"
      May56°F73°F64°F5.5"
      June68°F85°F76°F7.6"
      July72°F89°F80°F6.0"
      August73°F88°F80°F8.7"
      September67°F83°F75°F2.1"
      October58°F74°F66°F17.8"
      November46°F62°F53°F6.0"
      December36°F51°F43°F6.1"

      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.
      IndexSmithfieldVirginiaNational
      Air quality index405842
      Pollution index1,644,6501,561,8812,726,193

      Smithfield air quality

      MeasurementTotal
      Days measured365
      Days with good air quality317
      Days with moderate air quality48
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.070%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.030%
      Mercury0.001%

      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.
      Benns Church, VA6424020.0%
      Hampton, VA135,1694020.0%
      Bethel Manor, VA4,6664020.0%
      Windsor, VA2,7484020.0%
      Newport News, VA179,5824020.0%
      Smithfield, VA8,4924020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      South Kensington, MD8,494476.0%
      Conover, NC8,4884314.0%
      Los Altos Hills, CA8,4964314.0%
      Hanover, ON8,487n/a 
      Harrison, TN8,485468.0%
      Smithfield, VA8,4924020.0%
      Source: The Smithfield, VA 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.