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

40°F

4°C

Humidity 74%
Wind Speed ENE 3 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 28 Dec 04:20 AM PST
Extended Forecast for

Grand Terrace CA

High Wind Watch December 28, 10:00pm until December 30, 01:00pm
Click here for hazard details and duration
High Wind Watch

  • Today

    Today: Sunny, with a high near 66. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. North wind 5 to 10 mph.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 72. Calm wind becoming north around 5 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 10am. Partly sunny, with a high near 71. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • New Year's Day

    New Year's Day: Showers likely. Mostly cloudy, with a high near 66.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 66. North wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 44. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 45. North wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 72. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
A slight chance of showers after 10am. Partly sunny, with a high near 71. Chance of precipitation is 20%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 51.
New Year's Day
Showers likely. Mostly cloudy, with a high near 66.
Thursday Night
Showers likely. Mostly cloudy, with a low around 51.
Friday
Showers likely. Mostly cloudy, with a high near 64.
Friday Night
Showers likely. Mostly cloudy, with a low around 51.
Saturday
A chance of showers. Partly sunny, with a high near 65.
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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:
1:21 am PST Dec 28, 2025
Forecast Valid:
4am PST Dec 28, 2025-6pm PST Jan 3, 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