Waterloo, SC Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Waterloo, SC in one place.
Sunny, with a high near 74. North northeast wind 5 to 8 mph.
Local Weather Overview
This forecast page for Waterloo, 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: Sep 24, 2026 2:30 PM EDT.
The active forecast window currently covers Sep 25 to Sep 30, 2026 for Waterloo, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 25 to Sep 30, 2026
- Latest sync
- Sep 24, 2026 2:30 PM EDT
- Forecast office
- GSP
- Source
- NOAA / NWS
Daily Outlook
This Week in Waterloo
Wednesday looks like the warmest upcoming period in Waterloo at 85 degrees F.
Friday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Friday at about 5 to 8 mph NNE.
The forecast from Sep 25 through Sep 30 stays mostly dry.
Forecast Details
- Last updated
- Sep 24, 2026 2:30 PM EDT
- Coverage
- 6 days
- Time zone
- America/New_York
- Forecast office
- GSP
- Radar station
- KGSP
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 49. North wind 0 to 3 mph.
Sunny, with a high near 80. North wind around 2 mph.
Partly cloudy, with a low around 53.
Mostly sunny, with a high near 81.
Partly cloudy, with a low around 54.
Sunny, with a high near 82.
Mostly clear, with a low around 56.
Sunny, with a high near 84.
Mostly clear, with a low around 59.
Sunny, with a high near 85.
Partly cloudy, with a low around 64.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Sep 25
|
Sunny
|
74°F |
5 to 8 mph
NNE
|
|
Friday Night
Sep 25
|
Mostly Clear
|
49°F |
0 to 3 mph
N
|
|
Saturday
Sep 26
|
Sunny
|
80°F |
2 mph
N
|
|
Saturday Night
Sep 26
|
Partly Cloudy
|
53°F |
1 mph
NNW
|
|
Sunday
Sep 27
|
Mostly Sunny
|
81°F |
1 mph
NNW
|
|
Sunday Night
Sep 27
|
Partly Cloudy
|
54°F |
2 mph
N
|
|
Monday
Sep 28
|
Sunny
|
82°F |
2 mph
NE
|
|
Monday Night
Sep 28
|
Mostly Clear
|
56°F |
0 mph
|
|
Tuesday
Sep 29
|
Sunny
|
84°F |
2 mph
ESE
|
|
Tuesday Night
Sep 29
|
Mostly Clear
|
59°F |
1 mph
SE
|
|
Wednesday
Sep 30
|
Sunny
|
85°F |
0 to 5 mph
S
|
|
Wednesday Night
Sep 30
|
Partly Cloudy
|
64°F |
5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waterloo.