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Flat Rock, South Carolina Weather Forecast
Flat Rock, South Carolina Weather
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Weather Forecast for Flat Rock, South Carolina : Union County
Issued: 5:43 am EST Dec 16, 2025 Latitude: 34.8617989 Longitude: -81.5948197 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Mostly Clear on Tonight Partly Sunny on Wednesday 30% chance of rain on Thursday 30% chance of rain on Friday Sunny on Saturday Mostly Sunny on Sunday Partly Sunny on Monday
High: 51°F Low: 30°F High: 56°F High: 56°F High: 55°F High: 55°F High: 61°F High: 57°F
Low: 35°F Low: 44°F Low: 28°F Low: 38°F Low: 39°F  
Sunny Mostly Clear Partly Sunny Rain Rain Sunny Mostly Sunny Partly Sunny
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Current Conditions at
SHELBY MUNI ARPT - (KEHO)
28°
Clear
as of 8:55 AM EST
Rel. Humidity: 50%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.25 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
ROCK HILL - (KUZA)
30°
Clear
as of 8:54 AM EST
Rel. Humidity: 50%
Dew Point: 14°F
Visibility: 10 Miles
Pressure: 30.26 in.
Flight Rule: VFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
GASTONIA - (KAKH)
30°
Clear
as of 8:54 AM EST
Rel. Humidity: 42%
Dew Point: 10°F
Visibility: 10 Miles
Pressure: 30.24 in.
Flight Rule: VFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Clear
Current Conditions at
GREENVILLE SPARTANBURG - (KGSP)
36°
Clear
as of 8:53 AM EST
Rel. Humidity: 37%
Dew Point: 12°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: VFR
Wind Data
8 MPH
260° West
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 51. Calm wind.
Mostly Clear on Tonight Tonight... Mostly clear, with a low around 30. Calm wind.
Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 56. Calm wind becoming southwest around 5 mph.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 35. Calm wind.
30% chance of rain Thursday Thursday... A 30 percent chance of rain, mainly after 10am. Mostly cloudy, with a high near 56. Calm wind.
90% chance of rain Thursday Night Thursday Night... Rain, mainly before 5am. Low around 44. Chance of precipitation is 90%.
30% chance of rain Friday Friday... A 30 percent chance of rain before 7am. Sunny, with a high near 55.
Mostly Clear on Friday Night Friday Night... Mostly clear, with a low around 28.
Sunny on Saturday Saturday... Sunny, with a high near 55.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 38.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 61.
Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 39.
Partly Sunny on Monday Monday... Partly sunny, with a high near 57.
Current Radar Image


Sun Almanac for Flat Rock, South Carolina
Sunrise: 07:28 AM
Sunset: 5:17 PM
Civil Sunrise:06:59 AM
Civil Sunset: 5:45 PM
Nautical Sunrise: 06:28 AM
Nautical Sunset: 6:17 PM
Astro Sunrise: 05:57 AM
Astro Sunset: 6:47 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.