Forecast

    Forecast for Altadena, CA | Forecast Periods: 14
    Monday
    Mar 16
    2026

    Altadena, CA

    Updated: 9:21 AM PDT

    94°F

    Sunny

    5 mph WSW
    Precipitation: 0%

    Sunny, with a high near 94. West southwest wind around 5 mph.

    Hourly Forecast

    MON13:00
    93°F
    Sunny
    Dewpoint:4.4°Precip:0%Humidity:16%Wind:5 mph SW
    MON14:00
    94°F
    Sunny
    Dewpoint:3.9°Precip:0%Humidity:15%Wind:5 mph SW
    MON15:00
    94°F
    Sunny
    Dewpoint:3.9°Precip:0%Humidity:15%Wind:5 mph SW
    MON16:00
    92°F
    Sunny
    Dewpoint:3.3°Precip:0%Humidity:15%Wind:5 mph SW
    TUE17:00
    92°F
    Sunny
    Dewpoint:5.6°Precip:0%Humidity:18%Wind:5 mph WSW
    TUE18:00
    87°F
    Clear
    Dewpoint:6.7°Precip:0%Humidity:22%Wind:5 mph WSW
    TUE19:00
    82°F
    Clear
    Dewpoint:8.9°Precip:0%Humidity:31%Wind:5 mph WSW
    TUE20:00
    80°F
    Clear
    Dewpoint:10°Precip:0%Humidity:35%Wind:0 mph
    TUE21:00
    80°F
    Clear
    Dewpoint:8.9°Precip:0%Humidity:32%Wind:0 mph
    TUE22:00
    76°F
    Clear
    Dewpoint:7.8°Precip:0%Humidity:34%Wind:0 mph
    TUE23:00
    74°F
    Clear
    Dewpoint:6.7°Precip:0%Humidity:34%Wind:0 mph
    TUE00:00
    74°F
    Clear
    Dewpoint:6.7°Precip:0%Humidity:34%Wind:0 mph
    TUE01:00
    74°F
    Clear
    Dewpoint:6.1°Precip:0%Humidity:33%Wind:0 mph
    TUE02:00
    73°F
    Clear
    Dewpoint:5.6°Precip:0%Humidity:33%Wind:0 mph
    TUE03:00
    73°F
    Clear
    Dewpoint:6.1°Precip:0%Humidity:34%Wind:0 mph
    TUE04:00
    71°F
    Clear
    Dewpoint:4.4°Precip:0%Humidity:33%Wind:0 mph
    TUE05:00
    71°F
    Mostly Clear
    Dewpoint:5°Precip:0%Humidity:34%Wind:0 mph
    TUE06:00
    71°F
    Sunny
    Dewpoint:4.4°Precip:0%Humidity:33%Wind:0 mph
    TUE07:00
    69°F
    Sunny
    Dewpoint:3.3°Precip:0%Humidity:32%Wind:0 mph
    TUE08:00
    74°F
    Sunny
    Dewpoint:6.7°Precip:0%Humidity:34%Wind:0 mph
    TUE09:00
    78°F
    Sunny
    Dewpoint:6.7°Precip:0%Humidity:30%Wind:0 mph
    TUE10:00
    83°F
    Sunny
    Dewpoint:6.7°Precip:0%Humidity:25%Wind:0 mph
    TUE11:00
    89°F
    Sunny
    Dewpoint:6.7°Precip:0%Humidity:21%Wind:5 mph SSW
    TUE12:00
    91°F
    Sunny
    Dewpoint:5.6°Precip:0%Humidity:18%Wind:5 mph SSW

    Extended Forecast

    Tonight

    Tue, Mar 17
    69°F
    Clear
    0 mph N
    Precipitation: 0%
    Clear, with a low around 69. North wind 0 to 5 mph.

    Tuesday

    Tue, Mar 17
    97°F
    Sunny
    0 mph NW
    Precipitation: 0%
    Sunny, with a high near 97. Northwest wind 0 to 5 mph.

    Tuesday Night

    Wed, Mar 18
    76°F
    Mostly Clear
    0 mph NNW
    Precipitation: 0%
    Mostly clear, with a low around 76. North northwest wind 0 to 5 mph.

    Wednesday

    Wed, Mar 18
    99°F
    Sunny
    0 mph SW
    Precipitation: 0%
    Sunny, with a high near 99. Southwest wind 0 to 5 mph.

    Wednesday Night

    Thu, Mar 19
    77°F
    Clear
    0 mph WNW
    Precipitation: 0%
    Clear, with a low around 77.

    Thursday

    Thu, Mar 19
    100°F
    Sunny
    0 mph SW
    Precipitation: 0%
    Sunny, with a high near 100.

    Thursday Night

    Fri, Mar 20
    78°F
    Clear
    0 mph W
    Precipitation: 0%
    Clear, with a low around 78.

    Friday

    Fri, Mar 20
    99°F
    Sunny
    0 mph WSW
    Precipitation: 0%
    Sunny, with a high near 99.

    Friday Night

    Sat, Mar 21
    73°F
    Mostly Clear
    0 mph SW
    Precipitation: 0%
    Mostly clear, with a low around 73.

    Saturday

    Sat, Mar 21
    94°F
    Sunny
    0 mph SW
    Precipitation: 0%
    Sunny, with a high near 94.

    Saturday Night

    Sun, Mar 22
    69°F
    Partly Cloudy
    0 mph SW
    Precipitation: 0%
    Partly cloudy, with a low around 69.

    Sunday

    Sun, Mar 22
    90°F
    Mostly Sunny
    0 mph SSW
    Precipitation: 0%
    Mostly sunny, with a high near 90.

    Sunday Night

    Mon, Mar 23
    66°F
    Partly Cloudy
    0 mph S
    Precipitation: 0%
    Partly cloudy, with a low around 66.

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