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

Hazardous Weather Conditions

Current conditions at

San Bernardino Intl. Airport (KSBD)

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

Clear

61°F

16°C

Humidity 46%
Wind Speed N 0 MPH
Barometer 30.09 in (1018.96 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 14 Oct 10:41 PM PDT
Extended Forecast for

Grand Terrace CA

High Wind Warning October 15, 06:00am until October 17, 08:00pm
Click here for hazard details and duration
High Wind Warning

  • Tonight

    Tonight: Clear, with a low around 58. Southeast wind around 5 mph.

    Low: 58 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Northwest wind 5 to 10 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 64. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 87. Light and variable wind becoming east 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. East wind 5 to 10 mph becoming light.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 58. Southeast wind around 5 mph.
Thursday
Sunny, with a high near 84. Northwest wind 5 to 10 mph becoming north 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Clear, with a low around 64. Northeast wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 87. Light and variable wind becoming east 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 64. East wind 5 to 10 mph becoming light.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 84.
Sunday Night
Clear, with a low around 60.
Monday
Sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 59.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 75.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 56.
Wednesday
A chance of showers. Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Grand Terrace CA
 34.03°N 117.3°W (Elev. 1122 ft)
Last Update:
10:58 pm PDT Oct 14, 2026
Forecast Valid:
11pm PDT Oct 14, 2026-6pm PDT Oct 21, 2026
 
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