National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat and Heavy Rainfall into the Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend. Heat Advisories remain in effect. Heavy to excessive rainfall occurring at times through the weekend could bring areas of flooding to parts of the northern Rockies, upper Midwest, central Great Lakes, and southern New England. Read More >

Current conditions at

Clemson, Clemson-Oconee County Airport (KCEU)

Lat: 34.67°NLon: 82.88°WElev: 892ft.

Fair

84°F

29°C

Humidity 65%
Wind Speed Vrbl 5 mph
Barometer 30.01 in (1015.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 20 Sep 1:54 pm EDT
Extended Forecast for

Clemson SCSimilar City Names

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 88. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Calm wind. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Sunny, then becoming partly sunny during the afternoon, with a high near 91. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Light and variable wind. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 67. Chance of precipitation is 80%.

    Low: 67 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.

    High: 77 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 7pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny, with a high near 88. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Calm wind. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Sunny, then becoming partly sunny during the afternoon, with a high near 91. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 3am, then a chance of showers between 3am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 3am. Otherwise, partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 8am. Otherwise, partly sunny, with a high near 87. Light and variable wind. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 67. Chance of precipitation is 80%.
Wednesday
Showers likely, mainly after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
Wednesday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Clemson SCSimilar City Names
 34.68°N 82.81°W (Elev. 883 ft)
Last Update:
2:23 pm EDT Sep 20, 2026
Forecast Valid:
2pm EDT Sep 20, 2026-6pm EDT Sep 26, 2026
 
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