Marion County, SC Weather Forecast
County weather hub
Sunny
Compare major city weather across Marion County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 89.
County Weather Overview
This county weather page brings together forecast coverage for Marion County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 2 of 2 mapped cities in Marion County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Oct 16 to Oct 20, 2026
- Latest sync
- Oct 14, 2026 2:15 AM EDT
- Forecast office
- ILM
- Source
- NOAA / NWS
Daily Outlook
This Week in Marion County
Friday looks like the warmest upcoming period in Marion County at 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 45 degrees F.
The strongest winds are forecast for Friday Night at about 7 to 14 mph NW.
The forecast from Oct 16 through Oct 20 stays mostly dry.
Forecast Details
- Last updated
- Oct 14, 2026 2:15 AM EDT
- Coverage
- 5 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
Mostly clear, with a low around 54.
Sunny, with a high near 67.
Clear, with a low around 45.
Sunny, with a high near 68.
Clear, with a low around 48.
Sunny, with a high near 75.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 77.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Oct 16
|
Sunny
|
89°F |
2 to 9 mph
SW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
54°F |
7 to 14 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
67°F |
13 mph
N
|
|
Saturday Night
Oct 17
|
Clear
|
45°F |
5 to 9 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
68°F |
8 mph
NE
|
|
Sunday Night
Oct 18
|
Clear
|
48°F |
2 to 6 mph
NE
|
|
Monday
Oct 19
|
Sunny
|
75°F |
7 mph
NE
|
|
Monday Night
Oct 19
|
Partly Cloudy
|
52°F |
2 to 6 mph
NE
|
|
Tuesday
Oct 20
|
Mostly Sunny
|
77°F |
7 mph
NE
|
Major City Forecasts
Live forecast snapshots for major cities across Marion County.
Coverage
Forecast coverage currently spans 2 of 2 mapped cities in Marion County.
Largest mapped city population in this region: 6,200.