National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

CLAREMONT (CMOC1)

Lat: 34.1368°NLon: 117.70757°WElev: 1645.0ft.

NA

86°F

30°C

Humidity 29%
Wind Speed SW 7 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Heat Index84°F (29°C)
Last update 08 Oct 05:55 PM PDT
Extended Forecast for

San Dimas CA

Extreme Heat Warning October 8, 06:12pm until October 8, 08:00pm
Click here for hazard details and duration
...
  •  
    Extreme Heat Warning October 8, 06:12pm until October 8, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Tonight

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92. West southwest wind 5 to 10 mph.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 68. West southwest wind 5 to 10 mph becoming light south southwest in the evening.

    Low: 68 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 84. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 84 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 67. West southwest wind 5 to 10 mph becoming east southeast after midnight. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 67 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Sunday

    Sunday: Showers likely after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.

    Low: 53 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: Showers likely, mainly before 11am. Mostly cloudy, with a high near 66.

    High: 66 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 71. West southwest wind 5 to 10 mph.
Friday
Sunny, with a high near 92. West southwest wind 5 to 10 mph.
Friday Night
Increasing clouds, with a low around 68. West southwest wind 5 to 10 mph becoming light south southwest in the evening.
Saturday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 84. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
A 40 percent chance of showers before 11pm. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 67. West southwest wind 5 to 10 mph becoming east southeast after midnight. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely after 11am. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly after 11pm. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Columbus Day
Showers likely, mainly before 11am. Mostly cloudy, with a high near 66.
Monday Night
A chance of showers. Mostly cloudy, with a low around 50.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 70.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Dimas CA
 34.09°N 117.81°W (Elev. 866 ft)
Last Update:
11:26 am PDT Oct 8, 2026
Forecast Valid:
6pm PDT Oct 8, 2026-6pm PDT Oct 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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