Current conditions at

San Bernardino Intl. Airport (KSBD)

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

Clear

81°F

27°C

Humidity 28%
Wind Speed SW 9 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 20 Jun 12:53 PM PDT
Extended Forecast for

Grand Terrace CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 81. West wind around 5 mph.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. West wind 5 to 10 mph becoming light southwest  after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog between 8am and 11am.  Otherwise, sunny, with a high near 84. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light southwest  after midnight.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: A slight chance of showers after 11am.  Sunny, with a high near 94.

    High: 94 °F

    Slight Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 81. West wind around 5 mph.
Tonight
Mostly clear, with a low around 56. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Patchy fog between 8am and 11am. Otherwise, sunny, with a high near 84. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light southwest after midnight.
Monday
Sunny, with a high near 89. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 60.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
A slight chance of showers after 11am. Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 92.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Grand Terrace CA
 34.03°N 117.3°W (Elev. 1122 ft)
12:01 pm PDT Jun 20, 2026
1pm PDT Jun 20, 2026-6pm PDT Jun 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

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