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

77°F

25°C

Humidity 55%
Wind Speed SSW 9 MPH
Barometer NA
Dewpoint 60°F (16°C)
Visibility NA
Heat Index79°F (26°C)
Last update 12 Jul 06:57 PM PDT
Extended Forecast for

2 Miles WSW Diamond Bar CA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 60. West southwest wind 10 to 15 mph becoming light southwest after midnight.

    Low: 60 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 85 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 15 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the afternoon.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 61. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.

    Low: 61 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 60. West southwest wind 10 to 15 mph becoming light southwest after midnight.
Sunday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 61. Southwest wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 15 mph.
Monday
Sunny, with a high near 85. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Monday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 61. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 15 mph.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 60.
Friday
Sunny, with a high near 84.
Friday Night
Clear, with a low around 62.
Saturday
Sunny, with a high near 87.
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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:
6:43 pm PDT Jul 12, 2025
Forecast Valid:
7pm PDT Jul 12, 2025-6pm PDT Jul 19, 2025
 
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