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

FW0494 San Bernardino CSU SB (F0494)

Lat: 34.18383°NLon: 117.322°WElev: 1519.0ft.

NA

57°F

14°C

Humidity 65%
Wind Speed NE 3 MPH
Barometer 30.02 in (1016.59 mb)
Dewpoint 45°F (7°C)
Visibility NA
Last update 20 Nov 01:15 PM PST
Extended Forecast for

3 Miles SW Crestline CA

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 55. Southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.

    High: 55 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 48. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 48 °F

    Heavy Rain

  • Friday

    Friday: Showers likely, mainly before 10am. Partly sunny, with a high near 58. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly before 4am. Mostly cloudy, with a low around 49. Windy, with a north wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance
    Showers and
    Windy

  • Saturday

    Saturday: A slight chance of showers before 10am. Partly sunny, with a high near 61. North wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 61 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 55. Southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 48. East wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday
Showers likely, mainly before 10am. Partly sunny, with a high near 58. East wind around 5 mph becoming calm in the morning. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A chance of showers, mainly before 4am. Mostly cloudy, with a low around 49. Windy, with a north wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of showers before 10am. Partly sunny, with a high near 61. North wind 15 to 20 mph decreasing to 10 to 15 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 50.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Crestline CA
 34.2°N 117.34°W (Elev. 2024 ft)
Last Update:
1:28 pm PST Nov 20, 2025
Forecast Valid:
1pm PST Nov 20, 2025-6pm PST Nov 26, 2025
 
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Additional Resources

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Chance of Precipitation