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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Greenville Downtown Airport (KGMU)

Lat: 34.85°NLon: 82.35°WElev: 1010ft.

Fair

81°F

27°C

Humidity 72%
Wind Speed SE 6 mph
Barometer 30.06 in (1017.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 3 Oct 4:53 pm EDT
Extended Forecast for

Mauldin SC

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. South wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms

  • Tonight

    Tonight: A chance of rain and thunderstorms, then rain likely after midnight. Patchy fog before 4am, then patchy fog after 5am. Otherwise, cloudy, with a low around 62. Light and variable wind becoming northeast 6 to 11 mph in the evening. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Chance
    T-storms then
    Rain Likely
    and Patchy
    Fog

  • Sunday

    Sunday: A chance of rain before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before noon, then patchy fog after 5pm. Otherwise, cloudy, with a high near 70. Northeast wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers
    Likely and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain and thunderstorms likely before 4am, then a slight chance of rain after 5am. Patchy fog before 7pm. Otherwise, cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Rain Likely
    and Patchy
    Fog

  • Monday

    Monday: Partly sunny, with a high near 77. East northeast wind 3 to 8 mph.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83. South wind around 7 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of rain and thunderstorms, then rain likely after midnight. Patchy fog before 4am, then patchy fog after 5am. Otherwise, cloudy, with a low around 62. Light and variable wind becoming northeast 6 to 11 mph in the evening. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A chance of rain before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Patchy fog before noon, then patchy fog after 5pm. Otherwise, cloudy, with a high near 70. Northeast wind 3 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain and thunderstorms likely before 4am, then a slight chance of rain after 5am. Patchy fog before 7pm. Otherwise, cloudy, with a low around 64. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Partly sunny, with a high near 77. East northeast wind 3 to 8 mph.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 54.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Partly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mauldin SC
 34.78°N 82.3°W (Elev. 896 ft)
Last Update:
2:23 pm EDT Oct 3, 2026
Forecast Valid:
5pm EDT Oct 3, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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