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

San Bernardino Intl. Airport (KSBD)

Lat: 34.09027°NLon: 117.24705°WElev: 1086.0ft.

Clear

59°F

15°C

Humidity 30%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 10 Nov 03:51 AM PST
Extended Forecast for

Grand Terrace CA

  • Today

    Today: Sunny, with a high near 90. Calm wind becoming north around 5 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Southeast wind 5 to 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 86 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 60. Southwest wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 78. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 78 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of showers after 4am. Partly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely, then showers and possibly a thunderstorm after 4pm. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 10pm, then showers likely. Mostly cloudy, with a low around 48.

    Low: 48 °F

    Showers

  • Friday

    Friday: A chance of showers. Partly sunny, with a high near 59.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 90. Calm wind becoming north around 5 mph.
Tonight
Partly cloudy, with a low around 61. Southeast wind 5 to 10 mph.
Veterans Day
Partly sunny, with a high near 86. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 60. Southwest wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 78. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Wednesday Night
A chance of showers after 4am. Partly cloudy, with a low around 54. Chance of precipitation is 30%.
Thursday
Showers likely, then showers and possibly a thunderstorm after 4pm. High near 68. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm before 10pm, then showers likely. Mostly cloudy, with a low around 48.
Friday
A chance of showers. Partly sunny, with a high near 59.
Friday Night
A chance of showers, mainly before 10pm. Partly cloudy, with a low around 43.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Terrace CA
 34.03°N 117.3°W (Elev. 1122 ft)
Last Update:
3:01 am PST Nov 10, 2025
Forecast Valid:
4am PST Nov 10, 2025-6pm PST Nov 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation