Forecast

    Forecast for Sumter, SC | Forecast Periods: 14
    Monday
    Mar 16
    2026

    Sumter, SC

    Updated: 2:46 PM EDT

    67°F

    Showers And Thunderstorms Likely

    21 mph W
    Precipitation: 72%

    Showers and thunderstorms likely. Cloudy. High near 67, with temperatures falling to around 58 in the afternoon. West wind around 21 mph, with gusts as high as 32 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

    Hourly Forecast

    MON17:00
    58°F
    Showers And Thunderstorms Likely
    Dewpoint:13.3°Precip:72%Humidity:93%Wind:21 mph W
    MON18:00
    55°F
    Showers And Thunderstorms Likely
    Dewpoint:8.9°Precip:60%Humidity:77%Wind:22 mph W
    MON19:00
    51°F
    Chance Showers And Thunderstorms
    Dewpoint:6.7°Precip:49%Humidity:77%Wind:20 mph W
    TUE20:00
    48°F
    Mostly Cloudy
    Dewpoint:3.9°Precip:12%Humidity:71%Wind:17 mph W
    TUE21:00
    45°F
    Mostly Cloudy
    Dewpoint:2.2°Precip:3%Humidity:70%Wind:17 mph W
    TUE22:00
    43°F
    Partly Cloudy
    Dewpoint:0.6°Precip:0%Humidity:67%Wind:15 mph W
    TUE23:00
    42°F
    Mostly Clear
    Dewpoint:-0.6°Precip:0%Humidity:65%Wind:13 mph W
    TUE00:00
    40°F
    Mostly Clear
    Dewpoint:-1.7°Precip:0%Humidity:64%Wind:12 mph W
    TUE01:00
    39°F
    Clear
    Dewpoint:-2.2°Precip:0%Humidity:64%Wind:10 mph W
    TUE02:00
    38°F
    Mostly Clear
    Dewpoint:-2.8°Precip:0%Humidity:64%Wind:8 mph W
    TUE03:00
    37°F
    Mostly Clear
    Dewpoint:-2.8°Precip:0%Humidity:67%Wind:7 mph W
    TUE04:00
    36°F
    Mostly Clear
    Dewpoint:-3.3°Precip:0%Humidity:67%Wind:7 mph W
    TUE05:00
    34°F
    Mostly Clear
    Dewpoint:-4.4°Precip:0%Humidity:66%Wind:6 mph W
    TUE06:00
    33°F
    Mostly Sunny
    Dewpoint:-4.4°Precip:0%Humidity:69%Wind:6 mph W
    TUE07:00
    33°F
    Sunny
    Dewpoint:-5°Precip:0%Humidity:66%Wind:6 mph W
    TUE08:00
    32°F
    Mostly Sunny
    Dewpoint:-5°Precip:0%Humidity:69%Wind:6 mph W
    TUE09:00
    34°F
    Mostly Sunny
    Dewpoint:-5°Precip:0%Humidity:64%Wind:6 mph NW
    TUE10:00
    38°F
    Mostly Sunny
    Dewpoint:-5°Precip:0%Humidity:54%Wind:7 mph NW
    TUE11:00
    41°F
    Sunny
    Dewpoint:-5°Precip:0%Humidity:48%Wind:8 mph NW
    TUE12:00
    44°F
    Sunny
    Dewpoint:-5°Precip:0%Humidity:43%Wind:9 mph W
    TUE13:00
    46°F
    Sunny
    Dewpoint:-5°Precip:0%Humidity:40%Wind:9 mph W
    TUE14:00
    48°F
    Sunny
    Dewpoint:-5.6°Precip:0%Humidity:35%Wind:9 mph W
    TUE15:00
    50°F
    Sunny
    Dewpoint:-5.6°Precip:0%Humidity:33%Wind:10 mph W
    TUE16:00
    50°F
    Sunny
    Dewpoint:-6.1°Precip:0%Humidity:32%Wind:10 mph W

    Extended Forecast

    Tonight

    Mon, Mar 16
    32°F
    Showers And Thunderstorms Likely then Partly Cloudy
    6 mph W
    Precipitation: 60%
    Showers and thunderstorms likely before 8pm. Partly cloudy, with a low around 32. West wind 6 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

    Tuesday

    Tue, Mar 17
    51°F
    Sunny
    6 mph W
    Precipitation: 0%
    Sunny, with a high near 51. West wind 6 to 10 mph.

    Tuesday Night

    Tue, Mar 17
    29°F
    Mostly Clear
    2 mph NW
    Precipitation: 0%
    Mostly clear, with a low around 29. Northwest wind 2 to 8 mph.

    Wednesday

    Wed, Mar 18
    52°F
    Partly Sunny
    5 mph E
    Precipitation: 0%
    Partly sunny, with a high near 52. East wind around 5 mph.

    Wednesday Night

    Wed, Mar 18
    32°F
    Mostly Clear
    2 mph NE
    Precipitation: 0%
    Mostly clear, with a low around 32.

    Thursday

    Thu, Mar 19
    64°F
    Sunny
    3 mph NW
    Precipitation: 0%
    Sunny, with a high near 64.

    Thursday Night

    Thu, Mar 19
    41°F
    Mostly Clear
    2 mph SW
    Precipitation: 0%
    Mostly clear, with a low around 41.

    Friday

    Fri, Mar 20
    74°F
    Sunny
    1 mph W
    Precipitation: 2%
    Sunny, with a high near 74.

    Friday Night

    Fri, Mar 20
    50°F
    Partly Cloudy
    5 mph SW
    Precipitation: 2%
    Partly cloudy, with a low around 50.

    Saturday

    Sat, Mar 21
    81°F
    Mostly Sunny
    5 mph SW
    Precipitation: 3%
    Mostly sunny, with a high near 81.

    Saturday Night

    Sat, Mar 21
    56°F
    Partly Cloudy
    5 mph SW
    Precipitation: 5%
    Partly cloudy, with a low around 56.

    Sunday

    Sun, Mar 22
    82°F
    Sunny
    8 mph SW
    Precipitation: 3%
    Sunny, with a high near 82.

    Sunday Night

    Sun, Mar 22
    55°F
    Mostly Clear
    7 mph SW
    Precipitation: 5%
    Mostly clear, with a low around 55.

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