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Hazardous Weather Conditions

Current conditions at

WHITTIER HILLS (WTHC1)

Lat: 33.984°NLon: 118.00943°WElev: 950.0ft.

NA

80°F

27°C

Humidity 41%
Wind Speed SE 4 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Heat Index80°F (27°C)
Last update 02 Oct 09:57 PM PDT
Extended Forecast for

3 Miles WNW Diamond Bar CASimilar City Names

Extreme Heat Warning October 2, 10:55pm until October 8, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning October 2, 10:55pm until October 8, 08:00pm

    NOW until 8:00pm Thu

    Extreme Heat Warning

  • Tonight

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 101. East northeast wind 5 to 10 mph becoming south in the afternoon.

    High: 101 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 75. South southwest wind 5 to 10 mph becoming northeast after midnight.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. East northeast wind 5 to 10 mph becoming west southwest in the afternoon.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Clear, with a low around 76. Southwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 15 mph.

    Low: 76 °F

    Clear

  • Monday

    Monday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 75.

    Low: 75 °F

    Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

Detailed Forecast

Tonight
Mostly clear, with a low around 74. West wind 5 to 10 mph becoming east northeast in the evening.
Saturday
Sunny and hot, with a high near 101. East northeast wind 5 to 10 mph becoming south in the afternoon.
Saturday Night
Clear, with a low around 75. South southwest wind 5 to 10 mph becoming northeast after midnight.
Sunday
Sunny and hot, with a high near 99. East northeast wind 5 to 10 mph becoming west southwest in the afternoon.
Sunday Night
Clear, with a low around 76. Southwest wind 5 to 10 mph becoming light and variable. Winds could gust as high as 15 mph.
Monday
Sunny and hot, with a high near 99.
Monday Night
Clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 100.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 100.
Wednesday Night
Clear, with a low around 73.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Clear, with a low around 72.
Friday
Sunny and hot, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Diamond Bar CASimilar City Names
 34.02°N 117.85°W (Elev. 561 ft)
Last Update:
3:31 pm PDT Oct 2, 2026
Forecast Valid:
10pm PDT Oct 2, 2026-6pm PDT Oct 9, 2026
 
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