Sumter, SC Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sumter, SC in one place.
Sunny, with a high near 85. North wind around 1 mph.
Local Weather Overview
This forecast page for Sumter, 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: Oct 13, 2026 1:24 AM EDT.
The active forecast window currently covers Oct 13 to Oct 19, 2026 for Sumter, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 1:24 AM EDT
- Forecast office
- CAE
- Source
- NOAA / NWS
Daily Outlook
This Week in Sumter
Thursday looks like the warmest upcoming period in Sumter 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 9 to 17 mph NW.
The forecast from Oct 13 through Oct 19 stays mostly dry.
Forecast Details
- Last updated
- Oct 13, 2026 1:24 AM EDT
- Coverage
- 7 days
- Time zone
- America/New_York
- Forecast office
- CAE
- Radar station
- KCAE
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Clear, with a low around 59. Southwest wind around 1 mph.
Sunny, with a high near 88. Southwest wind around 3 mph.
Clear, with a low around 61. Southwest wind around 2 mph.
Sunny, with a high near 89.
Clear, with a low around 63.
Sunny, with a high near 88.
Mostly clear, with a low around 56.
Sunny, with a high near 69.
Mostly clear, with a low around 45.
Sunny, with a high near 68.
Mostly clear, with a low around 47.
Sunny, with a high near 75.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
85°F |
1 mph
N
|
|
Tuesday Night
Oct 13
|
Clear
|
59°F |
1 mph
SW
|
|
Wednesday
Oct 14
|
Sunny
|
88°F |
3 mph
SW
|
|
Wednesday Night
Oct 14
|
Clear
|
61°F |
2 mph
SW
|
|
Thursday
Oct 15
|
Sunny
|
89°F |
2 mph
SW
|
|
Thursday Night
Oct 15
|
Clear
|
63°F |
3 mph
S
|
|
Friday
Oct 16
|
Sunny
|
88°F |
3 to 10 mph
SW
|
|
Friday Night
Oct 16
|
Mostly Clear
|
56°F |
9 to 17 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
69°F |
16 mph
N
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
45°F |
8 to 12 mph
NE
|
|
Sunday
Oct 18
|
Sunny
|
68°F |
10 mph
NE
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
47°F |
6 to 9 mph
NE
|
|
Monday
Oct 19
|
Sunny
|
75°F |
8 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sumter.
