TODAY AUG20
TEMPERATURE74
HUMIDITY41
PRESSURE
WIND COND.182 1
  • 8266Mon
  • 8066Tue
  • 8066Wed
  • 8066Thu
  • 7866Fri
daynightWeather update from WA6TJQ Twin Peaks at

Crestline 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
January43°F66°F54°F11.6"
February47°F67°F56°F9.6"
March48°F74°F60°F2.1"
April50°F76°F61°F4.1"
May55°F81°F66°F4.8"
June58°F86°F70°F0.1"
July65°F94°F78°F0.2"
August65°F95°F78°F2.3"
September60°F88°F72°F2.1"
October57°F82°F67°F4.3"
November50°F77°F62°F7.7"
December43°F67°F55°F3.3"

Did you know?

  • The highest monthly average temperature in Crestline for August is 78 degrees.
  • The lowest monthly average temperature in Crestline for January is 54 degrees.
  • The most monthly precipitation in Crestline occurs in January with 11.6 inches.
  • The air quality index in Crestline is 70% worse than the national average.
  • The pollution index in Crestline is 523% worse than the national average.

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Compare Crestline, CA Weather To Other Cities

Crestline 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.
IndexCrestlineCaliforniaNational
Air quality index855550
Pollution index31,575,30018,106,7265,066,862

Crestline air quality information

MeasurementTotal
Days measured365
Days with good air quality24
Days with moderate air quality211
Days w/ poor A.Q. for sensitive groups102
Days with unhealthy air quality25

Crestline air quality information

PollutantTotal
Arsenic0.110%
Benzene0.260%
Carbon Tetrachloride0.020%
Lead0.350%
Mercury0.280%

Average monthly Crestline temperature with heat index

Crestline monthly precipitation with daily maximum

Crestline monthly snow depth with daily maximum

Crestline monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Hesperia, CA92,6648570%
Lytle Creek, CA1,0198570%
Redlands, CA70,4428570%
Bloomington, CA23,3228570%
Highland, CA54,4908570%
Crestline, CA8,9008570%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Westgate, FL8,8982942%
Wakefield-Peacedale, RI8,9044510%
Matawan, NJ8,894536%
Swissvale, PA8,8935612%
Garden City, GA8,8894020%
Crestline, CA8,9008570%
Source: The Crestline, 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.