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

58°F

14°C

Humidity 78%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 20 Jun 09:55 PM PDT
Extended Forecast for

2 Miles ENE Diamond Bar CA

Extreme Heat Watch June 23, 08:00am until June 25, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch

  • Tonight

    Tonight: Increasing clouds, with a low around 60. West southwest wind 5 to 10 mph becoming light southwest after midnight.

    Low: 60 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 80. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 61. Southwest wind 5 to 10 mph.

    Low: 61 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 11am. Otherwise, sunny, with a high near 85. Southwest wind 5 to 15 mph.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 63. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, sunny, with a high near 92.

    High: 92 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 60. West southwest wind 5 to 10 mph becoming light southwest after midnight.
Sunday
Mostly sunny, with a high near 80. Light south southwest wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 61. Southwest wind 5 to 10 mph.
Monday
Patchy fog before 11am. Otherwise, sunny, with a high near 85. Southwest wind 5 to 15 mph.
Monday Night
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 63. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Tuesday
Patchy fog before 11am. Otherwise, sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Diamond Bar CA
 34.03°N 117.77°W (Elev. 863 ft)
Last Update:
11:27 am PDT Jun 20, 2026
Forecast Valid:
10pm PDT Jun 20, 2026-6pm PDT Jun 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation