Sumter Junction, SC Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sumter Junction, SC in one place.
Partly sunny, with a high near 94. Southwest wind 1 to 5 mph.
Local Weather Overview
This forecast page for Sumter Junction, 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: Jun 8, 2026 9:02 PM EDT.
The active forecast window currently covers Jun 10 to Jun 15, 2026 for Sumter Junction, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 10 to Jun 15, 2026
- Latest sync
- Jun 8, 2026 9:02 PM EDT
- Forecast office
- CAE
- Source
- NOAA / NWS
Daily Outlook
This Week in Sumter Junction
Friday looks like the warmest upcoming period in Sumter Junction at 99 degrees F.
Sunday Night is the coolest period ahead with temperatures near 72 degrees F.
The strongest winds are forecast for Monday at about 1 to 7 mph SW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 8, 2026 9:02 PM EDT
- Coverage
- 6 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
Mostly clear, with a low around 73. Southwest wind around 3 mph.
Sunny, with a high near 97.
Partly cloudy, with a low around 74.
Mostly sunny, with a high near 99.
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 98. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 95. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 94.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 10
|
Partly Sunny
|
94°F |
1 to 5 mph
SW
|
|
Wednesday Night
Jun 10
|
Mostly Clear
|
73°F |
3 mph
SW
|
|
Thursday
Jun 11
|
Sunny
|
97°F |
5 mph
SW
|
|
Thursday Night
Jun 11
|
Partly Cloudy
|
74°F |
3 mph
SW
|
|
Friday
Jun 12
|
Mostly Sunny
|
99°F |
2 to 6 mph
W
|
|
Friday Night
Jun 12
|
Slight Chance Showers And Thunderstorms
|
75°F |
2 to 6 mph
SW
|
|
Saturday
Jun 13
|
Mostly Sunny then Chance Showers And Thunderstorms
|
98°F |
3 mph
W
|
|
Saturday Night
Jun 13
|
Chance Showers And Thunderstorms
|
74°F |
0 to 3 mph
W
|
|
Sunday
Jun 14
|
Partly Sunny then Chance Showers And Thunderstorms
|
95°F |
0 to 5 mph
SW
|
|
Sunday Night
Jun 14
|
Chance Showers And Thunderstorms
|
72°F |
1 to 5 mph
SW
|
|
Monday
Jun 15
|
Partly Sunny then Chance Showers And Thunderstorms
|
94°F |
1 to 7 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sumter Junction.