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

91°F

33°C

Humidity 33%
Wind Speed WSW 7 MPH
Barometer NA
Dewpoint 58°F (14°C)
Visibility NA
Heat Index90°F (32°C)
Last update 09 Aug 02:55 PM PDT
Extended Forecast for

San Dimas CA

Heat Advisory until August 9, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 9, 08:00pm

    NOW until 8:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Southwest wind 5 to 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91. Light west southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 64. Southwest wind 5 to 10 mph becoming light west southwest in the evening.

    Low: 64 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 88 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 94. Southwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 67. Southwest wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 91. Light west southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Monday Night
Increasing clouds, with a low around 64. Southwest wind 5 to 10 mph becoming light west southwest in the evening.
Tuesday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 88. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 86.
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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:
11:27 am PDT Aug 9, 2026
Forecast Valid:
3pm PDT Aug 9, 2026-6pm PDT Aug 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