TODAY JUN24
TEMPERATURE74
HUMIDITY13
PRESSURE
WIND COND.160 3
  • 9958Sun
  • 8956Mon
  • 9258Tue
  • 9056Wed
  • 8755Thu
daynightWeather update from HIGH GLADE LOOKOUT at

Upper Lake Average Weather

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
January19°F76°F44°F5.5"
February27°F76°F47°F5.8"
March28°F88°F50°F3.8"
April30°F97°F54°F2.8"
May36°F102°F62°F1.3"
June39°F107°F67°F0.3"
July46°F112°F74°F0.0"
August46°F108°F72°Fn/a
September39°F109°F67°F0.1"
October32°F93°F58°F1.4"
November28°F82°F50°F3.1"
December19°F79°F44°F7.3"

Did you know?

  • The highest monthly average temperature in Upper Lake for July is 74 degrees.
  • The lowest monthly average temperature in Upper Lake for December is 44 degrees.
  • The most monthly precipitation in Upper Lake occurs in December with 7.3 inches.
  • The air quality index in Upper Lake is 47% better than the national average.
  • The pollution index in Upper Lake is 92% better than the national average.

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Compare Upper Lake, CA Weather To Other Cities

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 index265550
Pollution index360,23818,106,7265,066,862

Upper Lake air quality information

MeasurementTotal
Days measured332
Days with good air quality276
Days with moderate air quality56
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

Upper Lake air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Potter Valley, CA4132648%
Hopland, CA8552648%
Talmage, CA1,3342648%
North Lakeport, CA2,8512648%
Clearlake Oaks, CA1,8413138%
Upper Lake, CA7762648%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Aspen Park, CO776548%
Milford, TX7764020%
Deerfield, KS776688%
Challenge-Brownsville, CA7764216%
Elaine, AR7753726%
Upper Lake, CA7762648%
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.