National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

FW0494 San Bernardino CSU SB CA US (F0494)

Lat: 34.18383°NLon: 117.322°WElev: 2887.5ft.

NA

101°F

38°C

Humidity 11%
Wind Speed NE 4 MPH
Barometer 30.03 in (1016.93 mb)
Dewpoint 37°F (3°C)
Visibility NA
Heat Index96°F (36°C)
Last update 19 Mar 03:45 PM PDT
Extended Forecast for

3 Miles S Crestline CA

Heat Advisory March 19, 04:01pm until March 20, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 19, 04:01pm until March 20, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 74 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 94. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 70. South wind 5 to 10 mph becoming southeast after midnight.

    Low: 70 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 87. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66. Southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 74. Southwest wind 5 to 10 mph becoming northeast in the evening.
Friday
Sunny, with a high near 94. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Clear, with a low around 70. South wind 5 to 10 mph becoming southeast after midnight.
Saturday
Sunny, with a high near 87. Southeast wind 5 to 15 mph becoming southwest in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 66. Southwest wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 67.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 66. Breezy.
Thursday
Mostly sunny, with a high near 87.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Crestline CA
 34.21°N 117.31°W (Elev. 2972 ft)
Last Update:
11:14 am PDT Mar 19, 2026
Forecast Valid:
4pm PDT Mar 19, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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