Forecast

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

    Signal Hill, CA

    Updated: 9:21 AM PDT

    86°F

    Sunny

    5 mph W
    Precipitation: 0%

    Sunny, with a high near 86. West wind 5 to 10 mph.

    Hourly Forecast

    MON12:00
    80°F
    Sunny
    Dewpoint:8.9°Precip:0%Humidity:33%Wind:5 mph W
    MON13:00
    82°F
    Sunny
    Dewpoint:8.3°Precip:0%Humidity:29%Wind:5 mph W
    MON14:00
    85°F
    Sunny
    Dewpoint:5.6°Precip:0%Humidity:22%Wind:10 mph W
    MON15:00
    86°F
    Sunny
    Dewpoint:4.4°Precip:0%Humidity:20%Wind:10 mph W
    MON16:00
    86°F
    Sunny
    Dewpoint:5.6°Precip:0%Humidity:21%Wind:10 mph W
    TUE17:00
    83°F
    Sunny
    Dewpoint:6.7°Precip:0%Humidity:25%Wind:10 mph WNW
    TUE18:00
    78°F
    Clear
    Dewpoint:7.2°Precip:0%Humidity:31%Wind:10 mph WNW
    TUE19:00
    73°F
    Clear
    Dewpoint:7.8°Precip:0%Humidity:38%Wind:10 mph WNW
    TUE20:00
    71°F
    Clear
    Dewpoint:8.9°Precip:0%Humidity:44%Wind:5 mph WNW
    TUE21:00
    70°F
    Clear
    Dewpoint:11.1°Precip:0%Humidity:53%Wind:5 mph WNW
    TUE22:00
    68°F
    Clear
    Dewpoint:11.7°Precip:0%Humidity:59%Wind:5 mph WNW
    TUE23:00
    66°F
    Clear
    Dewpoint:12.2°Precip:0%Humidity:66%Wind:0 mph
    TUE00:00
    66°F
    Clear
    Dewpoint:12.8°Precip:0%Humidity:68%Wind:0 mph
    TUE01:00
    66°F
    Clear
    Dewpoint:13.9°Precip:0%Humidity:72%Wind:0 mph
    TUE02:00
    65°F
    Clear
    Dewpoint:14.4°Precip:0%Humidity:77%Wind:0 mph
    TUE03:00
    63°F
    Clear
    Dewpoint:13.3°Precip:0%Humidity:77%Wind:0 mph
    TUE04:00
    63°F
    Clear
    Dewpoint:12.8°Precip:0%Humidity:76%Wind:0 mph
    TUE05:00
    63°F
    Mostly Clear
    Dewpoint:12.8°Precip:0%Humidity:75%Wind:0 mph
    TUE06:00
    63°F
    Sunny
    Dewpoint:11.7°Precip:0%Humidity:71%Wind:0 mph
    TUE07:00
    63°F
    Sunny
    Dewpoint:11.7°Precip:0%Humidity:70%Wind:0 mph
    TUE08:00
    65°F
    Sunny
    Dewpoint:11.7°Precip:0%Humidity:65%Wind:0 mph
    TUE09:00
    70°F
    Sunny
    Dewpoint:10°Precip:0%Humidity:49%Wind:0 mph
    TUE10:00
    75°F
    Sunny
    Dewpoint:7.8°Precip:0%Humidity:36%Wind:0 mph
    TUE11:00
    81°F
    Sunny
    Dewpoint:6.7°Precip:0%Humidity:27%Wind:0 mph

    Extended Forecast

    Tonight

    Tue, Mar 17
    63°F
    Clear
    0 mph N
    Precipitation: 0%
    Clear, with a low around 63. North wind 0 to 10 mph.

    Tuesday

    Tue, Mar 17
    91°F
    Sunny
    0 mph W
    Precipitation: 0%
    Sunny, with a high near 91. West wind 0 to 10 mph.

    Tuesday Night

    Wed, Mar 18
    65°F
    Mostly Clear
    0 mph SSW
    Precipitation: 0%
    Mostly clear, with a low around 65. South southwest wind 0 to 10 mph.

    Wednesday

    Wed, Mar 18
    91°F
    Sunny
    0 mph SSW
    Precipitation: 0%
    Sunny, with a high near 91. South southwest wind 0 to 10 mph.

    Wednesday Night

    Thu, Mar 19
    64°F
    Clear
    0 mph SW
    Precipitation: 0%
    Clear, with a low around 64.

    Thursday

    Thu, Mar 19
    92°F
    Sunny
    0 mph SSW
    Precipitation: 0%
    Sunny, with a high near 92.

    Thursday Night

    Fri, Mar 20
    65°F
    Clear
    0 mph WSW
    Precipitation: 0%
    Clear, with a low around 65.

    Friday

    Fri, Mar 20
    91°F
    Sunny
    0 mph WSW
    Precipitation: 0%
    Sunny, with a high near 91.

    Friday Night

    Sat, Mar 21
    62°F
    Mostly Clear
    0 mph SW
    Precipitation: 0%
    Mostly clear, with a low around 62.

    Saturday

    Sat, Mar 21
    87°F
    Mostly Sunny
    0 mph SSW
    Precipitation: 0%
    Mostly sunny, with a high near 87.

    Saturday Night

    Sun, Mar 22
    61°F
    Mostly Cloudy
    0 mph S
    Precipitation: 0%
    Mostly cloudy, with a low around 61.

    Sunday

    Sun, Mar 22
    81°F
    Partly Sunny
    0 mph S
    Precipitation: 0%
    Partly sunny, with a high near 81.

    Sunday Night

    Mon, Mar 23
    60°F
    Mostly Cloudy
    0 mph S
    Precipitation: 0%
    Mostly cloudy, with a low around 60.

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