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

LOS ANGELES DOWNTOWN (FHMC1)

Lat: 34.06778°NLon: 118.24167°WElev: 413.0ft.

NA

79°F

26°C

Humidity 64%
Wind Speed E 3 MPH
Barometer NA
Dewpoint 66°F (19°C)
Visibility NA
Heat Index81°F (27°C)
Last update 13 Sep 04:55 PM PDT
Extended Forecast for

Altadena CA

  • Tonight

    Tonight: Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming east southeast after midnight.

    Low: 63 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 86. East southeast wind 5 to 10 mph becoming south in the morning.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 60. Southeast wind around 5 mph.

    Low: 60 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Southeast wind 5 to 10 mph.

    High: 81 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 58. Southeast wind 5 to 10 mph.

    Low: 58 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 80.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 63. Southwest wind around 5 mph becoming east southeast after midnight.
Monday
Mostly sunny, with a high near 86. East southeast wind 5 to 10 mph becoming south in the morning.
Monday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 60. Southeast wind around 5 mph.
Tuesday
Patchy fog before 11am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Southeast wind 5 to 10 mph.
Tuesday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 58. Southeast wind 5 to 10 mph.
Wednesday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 82.
Thursday Night
Clear, with a low around 59.
Friday
Sunny, with a high near 86.
Friday Night
Clear, with a low around 61.
Saturday
Sunny, with a high near 88.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Altadena CA
 34.19°N 118.11°W (Elev. 1211 ft)
Last Update:
1:26 pm PDT Sep 13, 2026
Forecast Valid:
5pm PDT Sep 13, 2026-6pm PDT Sep 20, 2026
 
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Additional Resources

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