Marion County, SC Weather Forecast

County weather hub

89°
F

Sunny

Compare major city weather across Marion County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.

Friday, October 16, 2026
Wind: 2 to 9 mph SW
Friday

Sunny, with a high near 89.

County weather hub

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
Next High
89°F
Friday
Next Low
54°F
Friday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
7 to 14 mph
Friday Night

Daily Outlook

Today
Oct 16
Sunny
89 °F
/ 54°F
Wind 2 to 9 mph
Sat
Oct 17
Sunny
67 °F
/ 45°F
Wind 13 mph
Sun
Oct 18
Sunny
68 °F
/ 48°F
Wind 8 mph
Mon
Oct 19
Sunny
75 °F
/ 52°F
Wind 7 mph
Tue
Oct 20
Mostly Sunny
77 °F
Wind 7 mph

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 source

Extended Forecast

Friday Night
Oct 16
54°F
Mostly Clear
7 to 14 mph NW

Mostly clear, with a low around 54.

Saturday
Oct 17
67°F
Sunny
13 mph N

Sunny, with a high near 67.

Saturday Night
Oct 17
45°F
Clear
5 to 9 mph NE

Clear, with a low around 45.

Sunday
Oct 18
68°F
Sunny
8 mph NE

Sunny, with a high near 68.

Sunday Night
Oct 18
48°F
Clear
2 to 6 mph NE

Clear, with a low around 48.

Monday
Oct 19
75°F
Sunny
7 mph NE

Sunny, with a high near 75.

Monday Night
Oct 19
52°F
Partly Cloudy
2 to 6 mph NE

Partly cloudy, with a low around 52.

Tuesday
Oct 20
77°F
Mostly Sunny
7 mph NE

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

Coverage

Tracked cities
2
Coverage
100%

Forecast coverage currently spans 2 of 2 mapped cities in Marion County.

Largest mapped city population in this region: 6,200.

Waccamaw NWR
Waccamaw NWR image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.