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Key findings

  • The highest monthly average temperature in Fort Washington for July is 85 degrees
  • The lowest monthly average temperature in Fort Washington for December is 47 degrees
  • The most monthly precipitation in Fort Washington occurs in December with 2 inches
  • The air quality index in Fort Washington is 21% worse than the national average
  • The pollution index in Fort Washington is 228% worse than the national average

Compare Fort Washington, CA Weather

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      Fort Washington 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
      January38°F59°F47°F2.0"
      February42°F65°F52°F1.7"
      March46°F71°F58°F1.6"
      April49°F77°F62°F1.4"
      May56°F86°F71°F0.3"
      June62°F95°F79°F0.2"
      July69°F101°F85°F0.0"
      August67°F100°F83°F0.0"
      September62°F94°F77°F0.1"
      October54°F82°F67°F0.4"
      November45°F69°F55°F0.9"
      December38°F59°F47°F2.0"

      Fort Washington 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.
      IndexFort WashingtonCaliforniaNational
      Air quality index605550
      Pollution index16,639,20018,106,7265,066,862

      Fort Washington air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality139
      Days with moderate air quality160
      Days w/ poor A.Q. for sensitive groups64
      Days with unhealthy air quality2

      Fort Washington air quality information

      PollutantTotal
      Arsenic0.210%
      Benzene0.250%
      Carbon Tetrachloride0.002%
      Lead0.180%
      Mercury0.230%

      Average monthly Fort Washington temperature with heat index

      Fort Washington monthly precipitation with daily maximum

      Fort Washington monthly snow depth with daily maximum

      Fort Washington monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Bonadelle Ranchos-Madera Ranchos, CA8,42950= 100
      Parksdale, CA3,02250= 100
      Biola, CA1,26550= 100
      Fresno, CA513,8076020%
      Old Fig Garden, CA5,4956020%
      Fort Washington, CA7376020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Ventura, IA7371570%
      Graniteville, VT7373432%
      Maben, MS7373334%
      Bogue, NC7373726%
      Oakland, OR7372452%
      Fort Washington, CA7376020%
      Source: The Fort Washington, CA 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.