Current conditions at
Greenville Downtown Airport (KGMU)
Lat: 34.85°NLon: 82.35°WElev: 1010ft.
Fair
77°F
25°C
| Humidity | 64% |
| Wind Speed | W 3 mph |
| Barometer | 30.08 in (1017.3 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 20 May 11:53 pm EDT |
Extended Forecast for
3 Miles WNW Simpsonville SC
Overnight

Low: 66 °F
Partly Cloudy
Thursday
High: 87 °F
Mostly Sunny
then Showers
LikelyThursday Night

Low: 64 °F
Showers and
Patchy FogFriday

High: 73 °F
Showers and
Patchy FogFriday Night

Low: 63 °F
Showers
Saturday
High: 77 °F
Showers then
T-stormsSaturday Night
Low: 62 °F
T-storms then
ShowersSunday

High: 80 °F
Showers
Sunday Night

Low: 64 °F
Showers
Detailed Forecast
Overnight
Partly cloudy, with a low around 66. Calm wind.
Thursday
A chance of showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. Calm wind becoming south 5 to 7 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11pm. Patchy fog after 4am. Low around 64. Calm wind becoming east northeast around 5 mph after midnight. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm. Patchy fog before 9am. High near 73. East northeast wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm. Low around 63. Northeast wind 5 to 7 mph. Chance of precipitation is 100%.
Saturday
Showers and possibly a thunderstorm. High near 77. Chance of precipitation is 90%.
Saturday Night
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 62. Chance of precipitation is 80%.
Sunday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 80. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Chance of precipitation is 80%.
Memorial Day
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 70%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles WNW Simpsonville SC
34.74°N 82.3°W (Elev. 866 ft)
34.74°N 82.3°W (Elev. 866 ft)
7:38 pm EDT May 20, 2026
12am EDT May 21, 2026-6pm EDT May 27, 2026


