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

73°F

23°C

Humidity 41%
Wind Speed NNE 3 MPH
Barometer NA
Dewpoint 48°F (9°C)
Visibility NA
Last update 03 Oct 03:55 AM PDT
Extended Forecast for

San Dimas CA

Extreme Heat Warning October 3, 04:26am until October 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning October 3, 04:26am until October 8, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Today

    High: 100 °F

    Hot

  • Tonight

    Tonight: Clear, with a low around 73. West wind 5 to 10 mph becoming east in the evening.

    Low: 73 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 100. East northeast wind 5 to 10 mph becoming south in the afternoon.

    High: 100 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 73. West southwest wind 5 to 10 mph becoming light and variable.

    Low: 73 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 97. East northeast wind 5 to 10 mph becoming west in the afternoon.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 73.

    Low: 73 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Tuesday Night

    Tuesday Night: Clear, with a low around 72.

    Low: 72 °F

    Clear

Detailed Forecast

Today
Sunny and hot, with a high near 100. East southeast wind around 5 mph.
Tonight
Clear, with a low around 73. West wind 5 to 10 mph becoming east in the evening.
Sunday
Sunny and hot, with a high near 100. East northeast wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
Clear, with a low around 73. West southwest wind 5 to 10 mph becoming light and variable.
Monday
Sunny and hot, with a high near 97. East northeast wind 5 to 10 mph becoming west in the afternoon.
Monday Night
Clear, with a low around 73.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
Clear, with a low around 72.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Clear, with a low around 72.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Clear, with a low around 71.
Friday
Sunny, with a high near 95.
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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:
4:11 am PDT Oct 3, 2026
Forecast Valid:
4am PDT Oct 3, 2026-6pm PDT Oct 9, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation