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

65°F

18°C

Humidity 64%
Wind Speed WSW 6 MPH
Barometer 29.86 in (1011.18 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 20 Jun 10:40 PM PDT
Extended Forecast for

Grand Terrace CA

  • Tonight

    Tonight: Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. West wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 84. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56. West wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.
Saturday
Sunny, with a high near 80. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 56. West wind 5 to 15 mph becoming south after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 84. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 56. West wind 5 to 10 mph becoming light and variable. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Terrace CA
 34.03°N 117.3°W (Elev. 1122 ft)
Last Update:
1:03 pm PDT Jun 20, 2025
Forecast Valid:
11pm PDT Jun 20, 2025-6pm PDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

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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