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

WHITTIER HILLS (WTHC1)

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

NA

80°F

27°C

Humidity 53%
Wind Speed WSW 8 MPH
Barometer NA
Dewpoint 61°F (16°C)
Visibility NA
Heat Index81°F (27°C)
Last update 15 Aug 06:57 PM PDT
Extended Forecast for

2 Miles WSW Diamond Bar CA

  • Tonight

    Tonight: Increasing clouds, with a low around 65. West southwest wind 5 to 10 mph becoming light southwest in the evening.

    Low: 65 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 88. Light southwest wind becoming west southwest 5 to 10 mph in the afternoon.

    High: 88 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 63. West southwest wind 5 to 10 mph becoming light south southwest in the evening.

    Low: 63 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. West southwest wind 5 to 10 mph becoming light south southwest in the evening.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 96.

    High: 96 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 65. West southwest wind 5 to 10 mph becoming light southwest in the evening.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 88. Light southwest wind becoming west southwest 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 63. West southwest wind 5 to 10 mph becoming light south southwest in the evening.
Monday
Sunny, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 66. West southwest wind 5 to 10 mph becoming light south southwest in the evening.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny and hot, with a high near 96.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Sunny and hot, with a high near 96.
Thursday Night
Mostly clear, with a low around 67.
Friday
Sunny and hot, with a high near 96.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Diamond Bar CA
 34°N 117.85°W (Elev. 679 ft)
Last Update:
1:16 pm PDT Aug 15, 2026
Forecast Valid:
7pm PDT Aug 15, 2026-6pm PDT Aug 22, 2026
 
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Additional Resources

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