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      Elev 171 ft, 33.937 °N 80.481 °W

      Sumter, SC

      Updated: 10:40 AM EDT on September 11, 2026 (GMT -4)
      8 minutes ago
      92°
      75°
      86
      Feels Like 98
      Partly Cloudy
      N
      2
      Same temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Today
        Fri 09/11
        High 92°f
        58% Precip. / 0.25 in
        Mixed clouds and sun this morning. Scattered thunderstorms developing this afternoon. Hot. High 92F. Winds SSW at 5 to 10 mph. Chance of rain 60%.
        Tonight
        Fri 09/11
        Low 73°f
        24% Precip. / 0 in
        Mostly cloudy skies. A stray shower or thunderstorm is possible. Low 73F. Winds SSW at 5 to 10 mph.
        Tomorrow
        Sat 09/12
        High 91°f74°f
        24% Precip. / 0 in
        Mostly cloudy skies. A stray shower or thunderstorm is possible. High 91F. Winds SSW at 5 to 10 mph.
        Hourly Forecast
        Now
        82°
        11AM
        84°
        12PM
        87°
        1PM
        89°
        2PM
        34%
        92°
        3PM
        58%
        91°
        4PM
        56%
        85°
        5PM
        38%
        90°
        6PM
        30%
        87°
        7PM
        85°
        7:34PM
        Sunset
        8PM
        82°
        9PM
        80°
        10PM
        79°
        11PM
        78°
        12AM
        77°
        1AM
        76°
        2AM
        76°
        3AM
        32%
        76°
        4AM
        75°
        5AM
        75°
        6AM
        74°
        7AM
        74°
        7:03AM
        Sunrise
        8AM
        75°
        9AM
        78°
        10AM
        81°
        Additional Conditions
        1. Pressure 30 in
        2. Visibility 10 miles
        3. Clouds Partly Cloudy
        4. Dew Point76°F
        5. Humidity 82%
        6. Rainfall 0 in
        7. Snow Depth 0 in
        KSSC Station History
        Almanac for September 11, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 92°F 87°F 97°F 2007
        4. Low 75°F 66°F 52°F 1924
        5. Rain/Snow Depth
        6. Precipitation 0.27 in 3.4 in -
        7. Snow 0 in 0 in -
        Almanac for September 12, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 91°F 87°F 97°F
        4. Low 75°F 65°F 54°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 7:02 AM 7:33 PM
        3. Civil Twilight 6:37 AM 7:59 PM
        4. Nautical Twilight 6:07 AM 8:28PM
        5. Astronomical Twilight 5:37 AM 8:58 PM
        1. Length of Visible Light 13h 21m
        2. Length of Day 12h 31m
        3. Tomorrow will be 2 minutes 4 seconds shorter
        1. Moon 7:29 AM 7:46 PM
        2. Waxing Crescent0% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
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        Weather Alerts
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