Waterloo, SC Weather Forecast
Local 7-day forecast
Slight Chance Rain Showers then Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Waterloo, SC in one place.
A slight chance of rain showers before 8am. Mostly sunny, with a high near 86. Southwest wind 3 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
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: Jun 16, 2026 9:15 PM EDT.
The active forecast window currently covers Jun 17 to Jun 23, 2026 for Waterloo, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jun 17 to Jun 23, 2026
- Latest sync
- Jun 16, 2026 9:15 PM EDT
- Forecast office
- GSP
- Source
- NOAA / NWS
Daily Outlook
This Week in Waterloo
Thursday looks like the warmest upcoming period in Waterloo at 88 degrees F.
Friday Night is the coolest period ahead with temperatures near 65 degrees F.
The strongest winds are forecast for Thursday at about 12 to 16 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Jun 16, 2026 9:15 PM EDT
- Coverage
- 7 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
Partly cloudy, with a low around 72. Southwest wind 7 to 10 mph, with gusts as high as 20 mph.
A chance of rain showers between 10am and 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. Southwest wind 12 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind 6 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 90%.
Rain showers likely before 8am, then a chance of showers and thunderstorms between 8am and 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 60%.
Showers and thunderstorms likely before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Mostly sunny, with a high near 86.
Mostly clear, with a low around 65.
Sunny, with a high near 88.
A slight chance of showers and thunderstorms after 8pm. Partly cloudy, with a low around 69.
A slight chance of rain showers before 8am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.
A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Jun 17
|
Slight Chance Rain Showers then Mostly Sunny
|
86°F |
3 to 9 mph
SW
|
|
Wednesday Night
Jun 17
|
Partly Cloudy
|
72°F |
7 to 10 mph
SW
|
|
Thursday
Jun 18
|
Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
12 to 16 mph
SW
|
|
Thursday Night
Jun 18
|
Showers And Thunderstorms
|
70°F |
6 to 14 mph
SW
|
|
Juneteenth
Jun 19
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
84°F |
12 mph
SW
|
|
Friday Night
Jun 19
|
Showers And Thunderstorms Likely
|
65°F |
2 to 9 mph
WNW
|
|
Saturday
Jun 20
|
Mostly Sunny
|
86°F |
3 mph
N
|
|
Saturday Night
Jun 20
|
Mostly Clear
|
65°F |
1 mph
NW
|
|
Sunday
Jun 21
|
Sunny
|
88°F |
0 to 6 mph
SSE
|
|
Sunday Night
Jun 21
|
Slight Chance Showers And Thunderstorms
|
69°F |
5 mph
SSW
|
|
Monday
Jun 22
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
5 to 13 mph
SW
|
|
Monday Night
Jun 22
|
Chance Showers And Thunderstorms
|
72°F |
3 to 10 mph
WSW
|
|
Tuesday
Jun 23
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
8 mph
W
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waterloo.