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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 34.11°N 117.82°W (Text-Only)
NWS Forecast for: San Dimas CA
Issued by: National Weather Service Los Angeles/Oxnard, CA
Last Update: 1:47 am PDT Jun 30, 2026		Print

  • Today

    Today: Cloudy through mid morning, then gradual clearing, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 72 °F

    Gradual
    Clearing

  • Tonight

    Tonight: Increasing clouds, with a low around 55. Southwest wind 5 to 10 mph becoming light in the evening.

    Low: 55 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 77. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light south southwest in the evening.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Thursday
    Night

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

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday
    Night

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

    Low: 59 °F

    Mostly Clear

  • Independence
    Day

    Independence Day: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

    • Today: Cloudy through mid morning, then gradual clearing, with a high near 72. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    Tonight: Increasing clouds, with a low around 55. Southwest wind 5 to 10 mph becoming light in the evening.

    Wednesday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 77. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    Wednesday Night: Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming light south southwest in the evening.

    Thursday: Sunny, with a high near 80. Calm wind becoming southwest around 5 mph in the afternoon.

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

    Friday: Sunny, with a high near 82.

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

    Independence Day: Mostly sunny, with a high near 85.

    Saturday Night: Mostly clear, with a low around 60.

    Sunday: Sunny, with a high near 85.

    Sunday Night: Mostly clear, with a low around 60.

    Monday: Sunny, with a high near 86.


    San Dimas CA
     34.11°N 117.82°W (Elev. 942 ft)

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