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

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Overcast

68°F

20°C

Humidity 81%
Wind Speed NE 16 G 23 mph
Barometer 30.09 in (1018.3 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 22 May 2:53 pm EDT
Extended Forecast for

Welcome SC

  • This Afternoon

    This Afternoon: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 73. East northeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 73 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog. Low around 63. Northeast wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.

    Low: 63 °F

    Heavy Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Showers and possibly a thunderstorm. Patchy fog before 2pm. High near 74. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 74 °F

    Showers and
    Patchy Fog

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Patchy fog after 9pm. Low around 63. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    T-storms and
    Patchy Fog
    then Showers
    and Patchy
    Fog

  • Sunday

    Sunday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 64. Chance of precipitation is 90%.

    Low: 64 °F

    Showers

  • Memorial Day

    Memorial Day: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 90%.

    Low: 65 °F

    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Chance
    Showers then
    Showers

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 73. East northeast wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Patchy fog. Low around 63. Northeast wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
Saturday
Showers and possibly a thunderstorm. Patchy fog before 2pm. High near 74. Light and variable wind becoming northwest around 6 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Showers and thunderstorms before 2am, then showers likely and possibly a thunderstorm between 2am and 5am, then showers likely after 5am. Patchy fog after 9pm. Low around 63. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 3pm, then showers likely and possibly a thunderstorm after 3pm. Mostly cloudy, with a high near 81. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 60%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 64. Chance of precipitation is 90%.
Memorial Day
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 90%.
Tuesday
A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Chance of precipitation is 80%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Welcome SC
 34.84°N 82.46°W (Elev. 951 ft)
Last Update:
2:23 pm EDT May 22, 2026
Forecast Valid:
3pm EDT May 22, 2026-6pm EDT May 29, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation