Current conditions at

WHITTIER HILLS (WTHC1)

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

NA

76°F

24°C

Humidity 87%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 72°F (22°C)
Visibility NA
Heat Index76°F (24°C)
Last update 27 Aug 10:57 PM PDT
Extended Forecast for

3 Miles WNW Diamond Bar CASimilar City Names

Extreme Heat Warning August 27, 11:32pm until August 28, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 27, 11:32pm until August 28, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • Tonight

    Low: 75 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny and hot, with a high near 102. Heat index values as high as 106. Light south wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 102 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Southwest wind 5 to 10 mph becoming light south southwest  in the evening.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Light south southwest wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Clear, with a low around 67. South southwest wind 5 to 10 mph.

    Low: 67 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

Detailed Forecast

Tonight
Mostly cloudy, with a low around 75. West southwest wind around 5 mph becoming calm.
Friday
Mostly cloudy, then gradually becoming sunny and hot, with a high near 102. Heat index values as high as 106. Light south wind becoming west southwest 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 72. Southwest wind 5 to 10 mph becoming light south southwest in the evening.
Saturday
Sunny and hot, with a high near 99. Light south southwest wind becoming west southwest 5 to 10 mph in the afternoon.
Saturday Night
Clear, with a low around 67. South southwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 62.
Tuesday
Sunny, with a high near 86.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 64.
Wednesday
A slight chance of showers. Partly sunny, with a high near 89.
Wednesday Night
Mostly cloudy, with a low around 66.
Thursday
A slight chance of showers. Mostly sunny, with a high near 92.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Diamond Bar CASimilar City Names
 34.02°N 117.85°W (Elev. 561 ft)
11:26 pm PDT Aug 27, 2026
11pm PDT Aug 27, 2026-6pm PDT Sep 3, 2026
 
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Additional Resources

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