Marion, SC Weather Forecast
Local 7-day forecast
Showers And Thunderstorms Likely
Track current conditions, temperature changes, wind, and the full daily outlook for Marion, SC in one place.
A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 11am, then showers and thunderstorms likely. Partly sunny, with a high near 88. Heat index values as high as 100. West wind 0 to 3 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Local Weather Overview
This forecast page for Marion, SC is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 23, 2026 9:59 AM EDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for Marion, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 9:59 AM EDT
- Forecast office
- ILM
- Source
- NOAA / NWS
Daily Outlook
This Week in Marion
Tuesday looks like the warmest upcoming period in Marion at 94 degrees F.
Saturday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Tuesday at about 1 to 6 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 9:59 AM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- ILM
- Radar station
- KLTX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 72. South wind around 2 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms. Mostly cloudy, with a high near 86. West wind around 2 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Showers and thunderstorms before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
A chance of showers and thunderstorms. Partly sunny, with a high near 88. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70. Chance of precipitation is 40%.
Sunny, with a high near 91.
Mostly clear, with a low around 72.
Sunny, with a high near 94.
A slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 75.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 94. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Showers And Thunderstorms Likely
|
88°F |
0 to 3 mph
W
|
|
Friday Night
Jul 24
|
Showers And Thunderstorms Likely then Showers And Thunderstorms
|
72°F |
2 mph
S
|
|
Saturday
Jul 25
|
Showers And Thunderstorms
|
86°F |
2 mph
W
|
|
Saturday Night
Jul 25
|
Showers And Thunderstorms then Chance Showers And Thunderstorms
|
70°F |
1 mph
S
|
|
Sunday
Jul 26
|
Chance Showers And Thunderstorms
|
88°F |
2 mph
NE
|
|
Sunday Night
Jul 26
|
Chance Showers And Thunderstorms
|
70°F |
1 mph
E
|
|
Monday
Jul 27
|
Sunny
|
91°F |
2 mph
SW
|
|
Monday Night
Jul 27
|
Mostly Clear
|
72°F |
2 mph
S
|
|
Tuesday
Jul 28
|
Sunny
|
94°F |
1 to 6 mph
SW
|
|
Tuesday Night
Jul 28
|
Slight Chance Showers And Thunderstorms
|
75°F |
5 mph
SW
|
|
Wednesday
Jul 29
|
Mostly Sunny then Chance Showers And Thunderstorms
|
94°F |
5 mph
W
|
|
Wednesday Night
Jul 29
|
Chance Showers And Thunderstorms
|
73°F |
2 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Marion.