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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 34.02°N 117.33°W (Text-Only)
NWS Forecast for: Grand Terrace CA
Issued by: National Weather Service San Diego, CA
Last Update: 12:22 pm PDT Jun 29, 2026		Print

  • Tonight

    Tonight: Patchy drizzle after 11pm. Increasing clouds, with a low around 58. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.

    Low: 58 °F

    Patchy
    Drizzle

  • Tuesday

    Tuesday: Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 79. Light south wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 79 °F

    Patchy
    Drizzle then
    Sunny

  • Tuesday
    Night

    Tuesday Night: Increasing clouds, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Becoming
    Sunny

  • Wednesday
    Night

    Wednesday Night: Clear, with a low around 57. West wind 5 to 10 mph becoming light after midnight.

    Low: 57 °F

    Clear


  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny


  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear


  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny


  • Friday
    Night

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

    Low: 61 °F

    Mostly Clear


    • Tonight: Patchy drizzle after 11pm. Increasing clouds, with a low around 58. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.

    Tuesday: Patchy drizzle before 11am. Cloudy through mid morning, then gradual clearing, with a high near 79. Light south wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    Tuesday Night: Increasing clouds, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 82. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    Wednesday Night: Clear, with a low around 57. West wind 5 to 10 mph becoming light after midnight.

    Thursday: Sunny, with a high near 85.

    Thursday Night: Mostly clear, with a low around 59.

    Friday: Mostly sunny, with a high near 88.

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

    Independence Day: Sunny, with a high near 90.

    Saturday Night: Mostly clear, with a low around 62.

    Sunday: Sunny, with a high near 92.

    Sunday Night: Clear, with a low around 63.

    Monday: Sunny, with a high near 93.


    Grand Terrace CA
     34.02°N 117.33°W (Elev. 951 ft)

    Visit your local NWS office at: https://www.weather.gov/sgx