Forecast

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

    Foster City, CA

    Updated: 1:25 PM PDT

    84°F

    Sunny

    6 mph NNW
    Precipitation: 0%

    Sunny, with a high near 84. North northwest wind around 6 mph.

    Hourly Forecast

    MON14:00
    82°F
    Sunny
    Dewpoint:11.7°Precip:0%Humidity:36%Wind:5 mph N
    MON15:00
    83°F
    Sunny
    Dewpoint:12.2°Precip:0%Humidity:36%Wind:6 mph NNW
    MON16:00
    84°F
    Sunny
    Dewpoint:11.7°Precip:0%Humidity:35%Wind:6 mph NNW
    TUE17:00
    83°F
    Sunny
    Dewpoint:11.7°Precip:0%Humidity:35%Wind:6 mph NW
    TUE18:00
    81°F
    Mostly Clear
    Dewpoint:12.2°Precip:0%Humidity:40%Wind:6 mph NW
    TUE19:00
    76°F
    Mostly Clear
    Dewpoint:11.1°Precip:0%Humidity:44%Wind:5 mph NW
    TUE20:00
    72°F
    Mostly Clear
    Dewpoint:10.6°Precip:0%Humidity:48%Wind:3 mph WNW
    TUE21:00
    69°F
    Clear
    Dewpoint:10°Precip:0%Humidity:51%Wind:2 mph NW
    TUE22:00
    67°F
    Mostly Clear
    Dewpoint:9.4°Precip:0%Humidity:53%Wind:2 mph NW
    TUE23:00
    65°F
    Mostly Clear
    Dewpoint:9.4°Precip:0%Humidity:56%Wind:2 mph NW
    TUE00:00
    64°F
    Clear
    Dewpoint:9.4°Precip:0%Humidity:58%Wind:2 mph NW
    TUE01:00
    62°F
    Clear
    Dewpoint:9.4°Precip:0%Humidity:61%Wind:2 mph SSW
    TUE02:00
    61°F
    Clear
    Dewpoint:8.9°Precip:0%Humidity:64%Wind:1 mph W
    TUE03:00
    59°F
    Clear
    Dewpoint:8.9°Precip:0%Humidity:66%Wind:1 mph W
    TUE04:00
    58°F
    Clear
    Dewpoint:8.9°Precip:0%Humidity:68%Wind:1 mph W
    TUE05:00
    58°F
    Clear
    Dewpoint:8.9°Precip:0%Humidity:69%Wind:1 mph W
    TUE06:00
    57°F
    Sunny
    Dewpoint:8.3°Precip:0%Humidity:69%Wind:2 mph WNW
    TUE07:00
    58°F
    Sunny
    Dewpoint:8.9°Precip:0%Humidity:69%Wind:2 mph NW
    TUE08:00
    58°F
    Sunny
    Dewpoint:9.4°Precip:0%Humidity:71%Wind:2 mph NW
    TUE09:00
    62°F
    Sunny
    Dewpoint:10°Precip:0%Humidity:65%Wind:2 mph NNW
    TUE10:00
    68°F
    Sunny
    Dewpoint:13.9°Precip:0%Humidity:67%Wind:2 mph N
    TUE11:00
    73°F
    Sunny
    Dewpoint:14.4°Precip:0%Humidity:58%Wind:2 mph N
    TUE12:00
    77°F
    Sunny
    Dewpoint:13.9°Precip:0%Humidity:50%Wind:3 mph N
    TUE13:00
    81°F
    Sunny
    Dewpoint:14.4°Precip:0%Humidity:44%Wind:3 mph N

    Extended Forecast

    Tonight

    Tue, Mar 17
    56°F
    Mostly Clear
    1 mph WNW
    Precipitation: 0%
    Mostly clear. Low around 56, with temperatures rising to around 58 overnight. West northwest wind 1 to 6 mph.

    Tuesday

    Tue, Mar 17
    87°F
    Sunny
    2 mph NNW
    Precipitation: 0%
    Sunny, with a high near 87. North northwest wind 2 to 6 mph.

    Tuesday Night

    Wed, Mar 18
    58°F
    Mostly Clear
    2 mph NW
    Precipitation: 0%
    Mostly clear, with a low around 58. Northwest wind 2 to 6 mph.

    Wednesday

    Wed, Mar 18
    87°F
    Sunny
    2 mph N
    Precipitation: 0%
    Sunny, with a high near 87. North wind 2 to 6 mph.

    Wednesday Night

    Thu, Mar 19
    59°F
    Clear
    1 mph NW
    Precipitation: 0%
    Clear, with a low around 59.

    Thursday

    Thu, Mar 19
    88°F
    Sunny
    1 mph N
    Precipitation: 0%
    Sunny, with a high near 88.

    Thursday Night

    Fri, Mar 20
    61°F
    Clear
    2 mph NNW
    Precipitation: 0%
    Clear, with a low around 61.

    Friday

    Fri, Mar 20
    88°F
    Sunny
    2 mph N
    Precipitation: 0%
    Sunny, with a high near 88.

    Friday Night

    Sat, Mar 21
    59°F
    Mostly Clear
    2 mph WNW
    Precipitation: 0%
    Mostly clear, with a low around 59.

    Saturday

    Sat, Mar 21
    79°F
    Mostly Sunny
    2 mph WNW
    Precipitation: 0%
    Mostly sunny, with a high near 79.

    Saturday Night

    Sun, Mar 22
    53°F
    Partly Cloudy
    3 mph W
    Precipitation: 2%
    Partly cloudy, with a low around 53.

    Sunday

    Sun, Mar 22
    72°F
    Mostly Sunny
    3 mph W
    Precipitation: 2%
    Mostly sunny, with a high near 72.

    Sunday Night

    Mon, Mar 23
    50°F
    Partly Cloudy
    5 mph W
    Precipitation: 3%
    Partly cloudy, with a low around 50.

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