Waterloo, SC Weather & Growing Conditions
Tonight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am. Mostly cloudy, with a low around 70. North northeast wind around 1 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Chance Showers And Thunderstorms | 1 mph NNE | 32% |
| Saturday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 mph NNE | 26% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph NE | 44% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph E | 31% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 28% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph ESE | 43% |
| Monday Night | 69°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 mph E | 64% |
| Tuesday | 82°F | Showers And Thunderstorms Likely | 1 to 6 mph NE | 63% |
| Tuesday Night | 67°F | Showers And Thunderstorms Likely | 7 mph NE | 63% |
| Wednesday | 77°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 34% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 7 to 10 mph NE | 34% |
| Thursday | 77°F | Slight Chance Rain Showers then Partly Sunny | 9 mph NNE | 15% |
| Thursday Night | 62°F | Partly Cloudy | 3 to 7 mph NE | 8% |
| Friday | 78°F | Mostly Sunny | 7 mph NNE | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Waterloo, SC
Last spring frost
Mar 22
First fall frost
Nov 13
Growing season
236 days
Hardiness zone
8a
Explore more for Waterloo, SC: full frost dates · planting calendar · South Carolina frost dates
Climate data from the nearest NOAA station, Greenwood 8Ne, Sc (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.