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.

haze

64°F

18°C

Humidity 72%
Wind Speed N 0 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 55°F (13°C)
Visibility 4.00 mi
Last update 20 Jun 08:53 AM PDT
Extended Forecast for

Grand Terrace CA

  • Today

    Today: Sunny, with a high near 87. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 59. West wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph.

    Low: 59 °F

    Patchy Fog

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

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, sunny, with a high near 85. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 56.

    Low: 56 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 86.

    High: 86 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Today
Sunny, with a high near 87. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 59. West 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
Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Sunday
Patchy fog before 11am. Otherwise, sunny, with a high near 85. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 87.
Monday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 56.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 86.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 58.
Wednesday
Patchy fog. Otherwise, sunny, with a high near 90.
Wednesday Night
Patchy fog. Otherwise, partly cloudy, with a low around 61.
Thursday
Patchy fog. Otherwise, sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Terrace CA
 34.05°N 117.31°W (Elev. 965 ft)
Last Update:
2:56 am PDT Jun 20, 2025
Forecast Valid:
9am PDT Jun 20, 2025-6pm PDT Jun 26, 2025
 
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