Marion County, SC Weather Forecast

County weather hub

82°
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.

Wednesday, April 22, 2026
Wind: 1 to 7 mph SW
Wednesday

Sunny, with a high near 82.

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
Apr 22 to Apr 25, 2026
Latest sync
Apr 18, 2026 11:06 PM EDT
Forecast office
ILM
Source
NOAA / NWS
Next High
82°F
Wednesday
Next Low
54°F
Wednesday Night
Rain Outlook
1
Periods mentioning precipitation
Windiest
3 to 9 mph
Saturday

Daily Outlook

Today
Apr 22
Sunny
82 °F
/ 54°F
Wind 1 to 7 mph
Thu
Apr 23
Sunny
86 °F
/ 57°F
Wind 5 mph
Fri
Apr 24
Sunny
88 °F
/ 59°F
Wind 2 to 7 mph
Sat
Apr 25
Mostly Sunny then Slight Chance Showers And Thunderstorms
88 °F
Wind 3 to 9 mph

This Week in Marion County

Friday looks like the warmest upcoming period in Marion County at 88 degrees F.

Wednesday Night is the coolest period ahead with temperatures near 54 degrees F.

The strongest winds are forecast for Saturday at about 3 to 9 mph W.

Precipitation is mentioned in 1 upcoming forecast period.

Forecast Details

Last updated
Apr 18, 2026 11:06 PM EDT
Coverage
4 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

Wednesday Night
Apr 22
54°F
Mostly Clear
2 to 6 mph SW

Mostly clear, with a low around 54.

Thursday
Apr 23
86°F
Sunny
5 mph W

Sunny, with a high near 86.

Thursday Night
Apr 23
57°F
Mostly Clear
5 mph SW

Mostly clear, with a low around 57.

Friday
Apr 24
88°F
Sunny
2 to 7 mph SW

Sunny, with a high near 88.

Friday Night
Apr 24
59°F
Mostly Clear
6 mph SW

Mostly clear, with a low around 59.

Saturday
Apr 25
88°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
3 to 9 mph W

A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Apr 22
Sunny
82°F
1 to 7 mph
SW
Wednesday Night
Apr 22
Mostly Clear
54°F
2 to 6 mph
SW
Thursday
Apr 23
Sunny
86°F
5 mph
W
Thursday Night
Apr 23
Mostly Clear
57°F
5 mph
SW
Friday
Apr 24
Sunny
88°F
2 to 7 mph
SW
Friday Night
Apr 24
Mostly Clear
59°F
6 mph
SW
Saturday
Apr 25
Mostly Sunny then Slight Chance Showers And Thunderstorms
88°F
3 to 9 mph
W

Major City Forecasts

Live forecast snapshots for major cities across Marion County.

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.