TODAY MAY16
TEMPERATURE54
HUMIDITY80
PRESSURE29.81
WIND COND.
  • 7652Sun
  • 7751Mon
  • 8351Tue
  • 7749Wed
  • 7649Thu
daynightWeather update from Fairfield / Travis Air Force Base at

Key findings

  • The highest monthly average temperature in Isleton for July is 70.8 degrees
  • The lowest monthly average temperature in Isleton for December is 45.7 degrees
  • The most monthly precipitation in Isleton occurs in January with 8.6 inches
  • The air quality index in Isleton is 10% better than the national average
  • The pollution index in Isleton is 52% better than the national average

Compare Isleton, CA Weather

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      Isleton 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
      January37°F58°F46°F8.6"
      February40°F63°F50°F6.8"
      March43°F67°F54°F6.5"
      April46°F72°F58°F4.4"
      May51°F79°F63°F2.6"
      June55°F87°F69°F5.0"
      July57°F90°F71°F3.3"
      August57°F89°F70°F3.3"
      September55°F89°F69°F4.3"
      October49°F79°F63°F5.1"
      November42°F67°F53°F4.2"
      December36°F58°F46°F6.4"

      Isleton 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.
      IndexIsletonCaliforniaNational
      Air quality index455550
      Pollution index2,457,15018,106,7265,066,862

      Isleton air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality229
      Days with moderate air quality123
      Days w/ poor A.Q. for sensitive groups12
      Days with unhealthy air quality1

      Isleton air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.080%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.020%

      Average monthly Isleton temperature with heat index

      Isleton monthly precipitation with daily maximum

      Isleton monthly snow depth with daily maximum

      Isleton monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Rio Vista, CA8,0554510%
      Knightsen, CA1,6064510%
      Bethel Island, CA2,1994510%
      Terminous, CA3784510%
      Lincoln Village, CA4,8044510%
      Isleton, CA7874510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Hartland, ME7873138%
      Dongola, IL7874412%
      Mount Vernon, MD7874118%
      Louise, TX7873138%
      Sharpsburg, MD7874020%
      Isleton, CA7874510%
      Source: The Isleton, 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.