TODAY NOV02
TEMPERATURE44
HUMIDITY93
PRESSURE101420
WIND COND.
  • 6735Sun
  • 7236Mon
  • 6835Tue
  • 7035Wed
  • 7036Thu
daynightWeather update from Ukiah Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Upper Lake for July is 74.1 degrees
  • The lowest monthly average temperature in Upper Lake for December is 44.4 degrees
  • The most monthly precipitation in Upper Lake occurs in December with 7.1 inches
  • The air quality index in Upper Lake is 22% better than the national average
  • The pollution index in Upper Lake is 87% better than the national average

Compare Upper Lake, CA Weather

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      Upper Lake 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
      January35°F60°F45°F6.2"
      February38°F63°F48°F5.5"
      March40°F66°F51°F5.5"
      April42°F71°F55°F2.8"
      May47°F80°F62°F0.9"
      June52°F87°F68°F0.4"
      July56°F96°F74°F0.0"
      August54°F95°F72°F0.0"
      September50°F90°F68°F0.2"
      October45°F79°F59°F2.1"
      November40°F65°F51°F3.8"
      December35°F57°F44°F7.1"

      Upper Lake 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.
      IndexUpper LakeCaliforniaNational
      Air quality index335542
      Pollution index360,23810,473,1902,726,193

      Upper Lake air quality

      MeasurementTotal
      Days measured361
      Days with good air quality334
      Days with moderate air quality27
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.004%
      Carbon Tetrachloride0.000%
      Lead0.002%
      Mercury0.000%

      Average monthly Upper Lake temperature with heat index

      Upper Lake monthly precipitation with daily maximum

      Upper Lake monthly snow depth with daily maximum

      Upper Lake monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Clearlake, CA15,3293138.0%
      Soda Bay, CA7143138.0%
      Lucerne, CA2,6743138.0%
      Clearlake Riviera, CA4,4083138.0%
      Nice, CA2,4073138.0%
      Upper Lake, CA1,2503334.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Altoona, AL1,2504314.0%
      Westport, IN1,2504118.0%
      Pandora, OH1,2503922.0%
      Tellico Plains, TN1,2503040.0%
      Loyal, WI1,2503432.0%
      Upper Lake, CA1,2503334.0%
      Source: The Upper Lake, 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.