Waterloo, SC Weather Forecast
Local 7-day forecast
Partly Cloudy
Track current conditions, temperature changes, wind, and the full daily outlook for Waterloo, SC in one place.
Partly cloudy, with a low around 71. Southeast wind around 2 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: Aug 1, 2026 5:24 AM EDT.
The active forecast window currently covers Aug 1 to Aug 7, 2026 for Waterloo, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 1 to Aug 7, 2026
- Latest sync
- Aug 1, 2026 5:24 AM EDT
- Forecast office
- GSP
- Source
- NOAA / NWS
Daily Outlook
This Week in Waterloo
Friday looks like the warmest upcoming period in Waterloo at 90 degrees F.
Monday Night is the coolest period ahead with temperatures near 70 degrees F.
The strongest winds are forecast for Sunday at about 2 to 8 mph S.
Precipitation is mentioned in 13 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 1, 2026 5:24 AM 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
A slight chance of rain showers between 1pm and 2pm, then showers and thunderstorms likely between 2pm and 5pm, then showers and thunderstorms. Partly sunny, with a high near 89. South southeast wind 2 to 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers and thunderstorms likely before 8pm, then showers and thunderstorms likely between 8pm and 10pm, then patchy fog and a chance of showers and thunderstorms between 10pm and midnight, then patchy fog and showers and thunderstorms likely between midnight and 5am, then patchy fog and showers and thunderstorms likely. Mostly cloudy, with a low around 71. South wind around 3 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Patchy fog and a chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms between 11am and 1pm, then showers and thunderstorms likely between 1pm and 5pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 85. South wind 2 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. South southwest wind 2 to 7 mph. Chance of precipitation is 80%.
A slight chance of rain showers between 8am and 11am, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 70. Chance of precipitation is 50%.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
A slight chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
A slight chance of rain showers between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 40%.
A chance of showers and thunderstorms before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 40%.
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Aug 1
|
Partly Cloudy
|
71°F |
2 mph
SE
|
|
Saturday
Aug 1
|
Partly Sunny then Showers And Thunderstorms Likely
|
89°F |
2 to 6 mph
SSE
|
|
Saturday Night
Aug 1
|
Showers And Thunderstorms Likely then Patchy Fog
|
71°F |
3 mph
S
|
|
Sunday
Aug 2
|
Patchy Fog then Chance Showers And Thunderstorms
|
85°F |
2 to 8 mph
S
|
|
Sunday Night
Aug 2
|
Showers And Thunderstorms
|
71°F |
2 to 7 mph
SSW
|
|
Monday
Aug 3
|
Chance Showers And Thunderstorms
|
87°F |
2 to 7 mph
SSW
|
|
Monday Night
Aug 3
|
Chance Showers And Thunderstorms then Mostly Cloudy
|
70°F |
0 to 5 mph
SSW
|
|
Tuesday
Aug 4
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
88°F |
0 to 5 mph
SSW
|
|
Tuesday Night
Aug 4
|
Chance Showers And Thunderstorms
|
71°F |
0 to 3 mph
SSW
|
|
Wednesday
Aug 5
|
Mostly Sunny then Slight Chance Showers And Thunderstorms
|
89°F |
0 to 5 mph
SSW
|
|
Wednesday Night
Aug 5
|
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
|
71°F |
2 mph
WNW
|
|
Thursday
Aug 6
|
Slight Chance Rain Showers then Chance Showers And Thunderstorms
|
89°F |
2 mph
SSW
|
|
Thursday Night
Aug 6
|
Chance Showers And Thunderstorms
|
71°F |
1 mph
W
|
|
Friday
Aug 7
|
Mostly Sunny then Chance Showers And Thunderstorms
|
90°F |
2 mph
SSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Waterloo.