Current conditions at

CLAREMONT (CMOC1)

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

NA

94°F

34°C

Humidity 20%
Wind Speed SSW 5 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Heat Index90°F (32°C)
Last update 22 Aug 11:55 AM PDT
Extended Forecast for

3 Miles N Diamond Bar CA

Extreme Heat Warning August 22, 12:32pm until August 23, 09:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 22, 12:32pm until August 23, 09:00pm

    NOW until 9:00pm Sat

    Extreme Heat Warning

  • This Afternoon

    High: 99 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 69. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers before 11am.  Mostly sunny and hot, with a high near 98. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 98 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. West southwest wind around 5 mph becoming calm  in the evening.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 99. West southwest wind around 10 mph, with gusts as high as 15 mph.
Tonight
Partly cloudy, with a low around 69. West southwest wind around 5 mph becoming calm in the evening.
Saturday
A 20 percent chance of showers before 11am. Mostly sunny and hot, with a high near 98. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Saturday Night
Partly cloudy, with a low around 71. West southwest wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 95. Light southwest wind becoming west southwest 5 to 10 mph in the morning. Winds could gust as high as 15 mph.
Sunday Night
Partly cloudy, with a low around 68.
Monday
Mostly sunny, with a high near 94.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Mostly sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Diamond Bar CA
 34.04°N 117.83°W (Elev. 922 ft)
11:04 am PDT Aug 22, 2025
12pm PDT Aug 22, 2025-6pm PDT Aug 28, 2025
 
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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