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

76°F

24°C

Humidity 30%
Wind Speed W 3 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index77°F (25°C)
Last update 13 Mar 06:55 PM PDT
Extended Forecast for

3 Miles N Diamond Bar CA

Extreme Heat Watch March 16, 10:00am until March 20, 08:00pm
Heat Advisory March 13, 07:35pm until March 13, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
...
  •  
    Heat Advisory March 13, 07:35pm until March 13, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Tonight

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 55. Southwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 59. West southwest wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 65.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 103.

    High: 103 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 59. West southwest wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Clear, with a low around 55. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Sunny, with a high near 88. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 59. West southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 96.
Monday Night
Clear, with a low around 65.
Tuesday
Sunny and hot, with a high near 103.
Tuesday Night
Clear, with a low around 67.
Wednesday
Sunny and hot, with a high near 103.
Wednesday Night
Clear, with a low around 63.
Thursday
Sunny and hot, with a high near 105.
Thursday Night
Clear, with a low around 65.
Friday
Sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Diamond Bar CA
 34.04°N 117.83°W (Elev. 922 ft)
Last Update:
7:27 pm PDT Mar 13, 2026
Forecast Valid:
7pm PDT Mar 13, 2026-6pm PDT Mar 20, 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