TODAY NOV21
TEMPERATURE54
HUMIDITY30
PRESSURE100480
WIND COND.230 14.8
  • 4940Fri
  • 5635Sat
  • 6238Sun
  • 6751Mon
  • 6439Tue
daynightWeather update from Winston Salem, Smith Reynolds Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Winston-Salem for July is 78.1 degrees
  • The lowest monthly average temperature in Winston-Salem for January is 40.1 degrees
  • The most monthly precipitation in Winston-Salem occurs in August with 4.8 inches
  • The air quality index in Winston-Salem is 7% worse than the national average
  • The pollution index in Winston-Salem is 26% worse than the national average

Compare Winston-Salem, NC Weather

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      Winston-Salem 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
      January30°F51°F40°F3.6"
      February32°F54°F42°F2.5"
      March40°F63°F51°F3.5"
      April49°F73°F60°F4.3"
      May57°F79°F67°F4.5"
      June65°F86°F76°F4.0"
      July69°F89°F78°F4.1"
      August68°F87°F77°F4.8"
      September62°F81°F71°F3.9"
      October49°F72°F60°F3.8"
      November39°F62°F50°F3.6"
      December34°F54°F44°F3.8"

      Winston-Salem 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.
      IndexWinston-SalemNorth CarolinaNational
      Air quality index453542
      Pollution index3,428,9002,789,5382,726,193

      Winston-Salem air quality

      MeasurementTotal
      Days measured365
      Days with good air quality225
      Days with moderate air quality140
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.005%
      Benzene0.030%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.010%

      Average monthly Winston-Salem temperature with heat index

      Winston-Salem monthly precipitation with daily maximum

      Winston-Salem monthly snow depth with daily maximum

      Winston-Salem monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      High Point, NC112,4344020.0%
      Welcome, NC3,0504020.0%
      Bermuda Run, NC2,6884510.0%
      Wallburg, NC3,0734510.0%
      King, NC6,9804510.0%
      Winston-Salem, NC245,7874510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      North Las Vegas, NV247,248548.0%
      Norfolk, VA244,3004020.0%
      Gilbert, AZ248,3497448.0%
      Chesapeake, VA242,6474020.0%
      Longueuil, QC249,920n/a 
      Winston-Salem, NC245,7874510.0%
      Source: The Winston-Salem, NC 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.