TODAY NOV13
TEMPERATURE53
HUMIDITY41
PRESSURE102510
WIND COND.
  • 5237Wed
  • 5244Thu20%70%
  • 5543Fri50%
  • 6143Sat
  • 6346Sun
daynightWeather update from Washington/Reagan National Airport, DC at
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Weather Quick Facts

  • The highest monthly average temperature in Petworth for July is 80.8 degrees
  • The lowest monthly average temperature in Petworth for January is 37.1 degrees
  • The most monthly precipitation in Petworth occurs in June with 5.3 inches
  • The air quality index in Petworth is 12% worse than the national average
  • The pollution index in Petworth is 42% better than the national average

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      Petworth 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
      January28°F47°F37°F2.7"
      February29°F50°F38°F2.3"
      March37°F60°F47°F3.2"
      April47°F71°F58°F3.4"
      May56°F78°F67°F4.6"
      June67°F87°F77°F5.3"
      July72°F91°F81°F4.2"
      August70°F90°F79°F3.2"
      September63°F83°F72°F3.5"
      October52°F72°F61°F5.0"
      November40°F61°F50°F2.5"
      December33°F52°F42°F3.8"

      Petworth 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.
      IndexPetworthWashingtonDistrict of Columbia
      Air quality index474749
      Pollution index1,590,9705,554,0105,554,010

      Petworth air quality

      MeasurementTotal
      Days measured365
      Days with good air quality209
      Days with moderate air quality145
      Days w/ poor A.Q. for sensitive groups10
      Days with unhealthy air quality1

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.060%
      Carbon Tetrachloride0.010%
      Lead0.004%
      Mercury0.010%

      Average monthly Petworth temperature with heat index

      Petworth monthly precipitation with daily maximum

      Petworth monthly snow depth with daily maximum

      Petworth monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Jessup, MD10,458468.0%
      Savage, MD6,849468.0%
      Maryland City, MD17,681468.0%
      North Laurel, MD24,856468.0%
      South Laurel, MD27,593476.0%
      Washington, DC701,974476.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Vancouver, BC694,440n/a 
      Boston, MA689,3264314.0%
      Denver, CO715,8785816.0%
      El Paso, TX679,879536.0%
      Detroit, MI672,3515612.0%
      Washington, DC701,974476.0%
      Source: The Petworth, Washington, DC 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.