Forecast

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

    Walnut, CA

    Updated: 9:21 AM PDT

    95°F

    Sunny

    5 mph W
    Precipitation: 0%

    Sunny, with a high near 95. West wind around 5 mph.

    Hourly Forecast

    MON13:00
    89°F
    Sunny
    Dewpoint:1.7°Precip:0%Humidity:15%Wind:5 mph W
    MON14:00
    94°F
    Sunny
    Dewpoint:2.2°Precip:0%Humidity:13%Wind:5 mph WSW
    MON15:00
    95°F
    Sunny
    Dewpoint:1.7°Precip:0%Humidity:12%Wind:5 mph WSW
    MON16:00
    95°F
    Sunny
    Dewpoint:1.7°Precip:0%Humidity:12%Wind:5 mph WSW
    TUE17:00
    93°F
    Sunny
    Dewpoint:1.7°Precip:0%Humidity:13%Wind:5 mph W
    TUE18:00
    89°F
    Clear
    Dewpoint:4.4°Precip:0%Humidity:18%Wind:5 mph W
    TUE19:00
    81°F
    Clear
    Dewpoint:6.7°Precip:0%Humidity:27%Wind:5 mph W
    TUE20:00
    78°F
    Clear
    Dewpoint:8.3°Precip:0%Humidity:33%Wind:0 mph
    TUE21:00
    76°F
    Clear
    Dewpoint:7.8°Precip:0%Humidity:35%Wind:0 mph
    TUE22:00
    75°F
    Clear
    Dewpoint:8.9°Precip:0%Humidity:39%Wind:0 mph
    TUE23:00
    73°F
    Clear
    Dewpoint:9.4°Precip:0%Humidity:43%Wind:0 mph
    TUE00:00
    73°F
    Clear
    Dewpoint:9.4°Precip:0%Humidity:43%Wind:0 mph
    TUE01:00
    72°F
    Clear
    Dewpoint:8.9°Precip:0%Humidity:43%Wind:0 mph
    TUE02:00
    70°F
    Clear
    Dewpoint:7.8°Precip:0%Humidity:43%Wind:5 mph E
    TUE03:00
    69°F
    Clear
    Dewpoint:7.8°Precip:0%Humidity:44%Wind:5 mph E
    TUE04:00
    69°F
    Clear
    Dewpoint:7.2°Precip:0%Humidity:42%Wind:5 mph E
    TUE05:00
    69°F
    Mostly Clear
    Dewpoint:7.2°Precip:0%Humidity:42%Wind:5 mph ENE
    TUE06:00
    67°F
    Sunny
    Dewpoint:3.9°Precip:0%Humidity:36%Wind:5 mph ENE
    TUE07:00
    67°F
    Sunny
    Dewpoint:3.9°Precip:0%Humidity:36%Wind:5 mph ENE
    TUE08:00
    70°F
    Sunny
    Dewpoint:6.1°Precip:0%Humidity:37%Wind:5 mph NE
    TUE09:00
    75°F
    Sunny
    Dewpoint:5°Precip:0%Humidity:30%Wind:5 mph NE
    TUE10:00
    83°F
    Sunny
    Dewpoint:7.2°Precip:0%Humidity:26%Wind:5 mph NE
    TUE11:00
    88°F
    Sunny
    Dewpoint:5.6°Precip:0%Humidity:20%Wind:0 mph
    TUE12:00
    92°F
    Sunny
    Dewpoint:5°Precip:0%Humidity:17%Wind:0 mph

    Extended Forecast

    Tonight

    Tue, Mar 17
    67°F
    Clear
    0 mph ESE
    Precipitation: 0%
    Clear, with a low around 67. East southeast wind 0 to 5 mph.

    Tuesday

    Tue, Mar 17
    98°F
    Sunny
    0 mph E
    Precipitation: 0%
    Sunny, with a high near 98. East wind 0 to 10 mph.

    Tuesday Night

    Wed, Mar 18
    72°F
    Mostly Clear
    0 mph NNW
    Precipitation: 0%
    Mostly clear, with a low around 72. North northwest wind 0 to 10 mph.

    Wednesday

    Wed, Mar 18
    98°F
    Sunny
    0 mph E
    Precipitation: 0%
    Sunny, with a high near 98. East wind 0 to 10 mph.

    Wednesday Night

    Thu, Mar 19
    72°F
    Clear
    0 mph NW
    Precipitation: 0%
    Clear, with a low around 72.

    Thursday

    Thu, Mar 19
    99°F
    Sunny
    0 mph SE
    Precipitation: 0%
    Sunny, with a high near 99.

    Thursday Night

    Fri, Mar 20
    73°F
    Clear
    0 mph NW
    Precipitation: 0%
    Clear, with a low around 73.

    Friday

    Fri, Mar 20
    98°F
    Sunny
    0 mph SSW
    Precipitation: 0%
    Sunny, with a high near 98.

    Friday Night

    Sat, Mar 21
    70°F
    Clear
    0 mph SW
    Precipitation: 0%
    Clear, with a low around 70.

    Saturday

    Sat, Mar 21
    96°F
    Sunny
    0 mph WSW
    Precipitation: 0%
    Sunny, with a high near 96.

    Saturday Night

    Sun, Mar 22
    66°F
    Partly Cloudy
    0 mph SSW
    Precipitation: 0%
    Partly cloudy, with a low around 66.

    Sunday

    Sun, Mar 22
    88°F
    Mostly Sunny
    0 mph SSW
    Precipitation: 0%
    Mostly sunny, with a high near 88.

    Sunday Night

    Mon, Mar 23
    64°F
    Mostly Clear
    0 mph SW
    Precipitation: 0%
    Mostly clear, with a low around 64.

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