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

96°F

36°C

Humidity 29%
Wind Speed WSW 10 MPH
Barometer NA
Dewpoint 59°F (15°C)
Visibility NA
Heat Index95°F (35°C)
Last update 29 Aug 04:55 PM PDT
Extended Forecast for

Montclair CA

Heat Advisory August 29, 05:04pm until August 29, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 29, 05:04pm until August 29, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89. South wind 5 to 10 mph, with gusts as high as 15 mph.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 64. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Clear

  • Tuesday

    Tuesday: A 20 percent chance of showers after 11am. Mostly sunny, with a high near 87.

    High: 87 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 69. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday
Sunny, with a high near 91. South southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Sunday Night
Mostly clear, with a low around 65. Southwest wind 5 to 10 mph, with gusts as high as 15 mph.
Monday
Sunny, with a high near 89. South wind 5 to 10 mph, with gusts as high as 15 mph.
Monday Night
Clear, with a low around 64. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers after 11am. Mostly sunny, with a high near 87.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 65.
Wednesday
Mostly sunny, with a high near 88.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 91.
Friday Night
Mostly clear, with a low around 67.
Saturday
A slight chance of showers. Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Montclair CA
 34.09°N 117.7°W (Elev. 1112 ft)
Last Update:
12:52 pm PDT Aug 29, 2026
Forecast Valid:
5pm PDT Aug 29, 2026-6pm PDT Sep 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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