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

CLAREMONT (CMOC1)

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

NA

86°F

30°C

Humidity 46%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 63°F (17°C)
Visibility NA
Heat Index87°F (31°C)
Last update 24 Sep 01:55 PM PDT
Extended Forecast for

3 Miles NNE Diamond Bar CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. West southwest wind around 10 mph.

    High: 87 °F

    Sunny

  • Tonight

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

    Low: 64 °F

    Increasing
    Clouds

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 89. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 89 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 65. West southwest wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 92 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 87. West southwest wind around 10 mph.
Tonight
Increasing clouds, with a low around 64. Southwest wind 5 to 10 mph becoming light west in the evening.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 89. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
Friday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 65. West southwest wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 92. Calm wind becoming west southwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 66.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Mostly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 88.
Tuesday Night
A slight chance of showers. Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Diamond Bar CA
 34.03°N 117.8°W (Elev. 853 ft)
Last Update:
1:21 pm PDT Sep 24, 2026
Forecast Valid:
2pm PDT Sep 24, 2026-6pm PDT Sep 30, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation