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

28°C

82°F

Humidity 45%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 15°C (59°F)
Visibility NA
Heat Index28°C (82°F)
Last update 12 Jul 04:57 PM PDT
Extended Forecast for

2 Miles WSW Diamond Bar CA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 16. Southwest wind 15 to 20 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 25 km/h.

    Low: 16 °C

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 29. Light southwest wind increasing to 10 to 15 km/h in the afternoon. Winds could gust as high as 25 km/h.

    High: 29 °C

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16. Southwest wind 15 to 20 km/h decreasing to 5 to 10 km/h in the evening. Winds could gust as high as 25 km/h.

    Low: 16 °C

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29. Light southwest wind increasing to 10 to 15 km/h in the afternoon. Winds could gust as high as 25 km/h.

    High: 29 °C

    Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 16. Southwest wind 15 to 20 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 25 km/h.

    Low: 16 °C

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 28.

    High: 28 °C

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15.

    Low: 15 °C

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 27.

    High: 27 °C

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 15.

    Low: 15 °C

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 16. Southwest wind 15 to 20 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 25 km/h.
Sunday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 29. Light southwest wind increasing to 10 to 15 km/h in the afternoon. Winds could gust as high as 25 km/h.
Sunday Night
Mostly clear, with a low around 16. Southwest wind 15 to 20 km/h decreasing to 5 to 10 km/h in the evening. Winds could gust as high as 25 km/h.
Monday
Sunny, with a high near 29. Light southwest wind increasing to 10 to 15 km/h in the afternoon. Winds could gust as high as 25 km/h.
Monday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 16. Southwest wind 15 to 20 km/h decreasing to 5 to 10 km/h after midnight. Winds could gust as high as 25 km/h.
Tuesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 28.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Sunny, with a high near 27.
Wednesday Night
Partly cloudy, with a low around 15.
Thursday
Sunny, with a high near 28.
Thursday Night
Clear, with a low around 16.
Friday
Sunny, with a high near 29.
Friday Night
Clear, with a low around 17.
Saturday
Sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Diamond Bar CA
 34°N 117.85°W (Elev. 679 m)
Last Update:
2:44 pm PDT Jul 12, 2025
Forecast Valid:
5pm PDT Jul 12, 2025-6pm PDT Jul 19, 2025
 
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