Buffalo, SC Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buffalo, a community in Union County, South Carolina.
Tonight
69°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 2am, then a chance of showers and thunderstorms between 2am and 3am, then a slight chance of showers and thunderstorms between 3am and 4am. Mostly cloudy, with a low around 69. Wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Buffalo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Chance Showers And Thunderstorms | 0 mph | 46% |
| Saturday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 3 mph NE | 26% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 0 to 3 mph NNE | 40% |
| Sunday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 mph SE | 29% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 25% |
| Monday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph ESE | 43% |
| Monday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 mph ENE | 69% |
| Tuesday | 82°F | Showers And Thunderstorms Likely | 0 to 3 mph NE | 64% |
| Tuesday Night | 65°F | Showers And Thunderstorms Likely | 5 mph NE | 64% |
| Wednesday | 76°F | Chance Rain Showers | 5 to 8 mph NE | 34% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms | 3 to 7 mph NE | 34% |
| Thursday | 76°F | Slight Chance Rain Showers then Partly Sunny | 6 mph NNE | 15% |
| Thursday Night | 60°F | Partly Cloudy | 1 to 5 mph NNE | 9% |
| Friday | 77°F | Mostly Sunny | 2 to 6 mph NNE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Buffalo (34.724, -81.684). Updated through the day.
Growing snapshot for Buffalo
Last spring frost
Apr 6
First fall frost
Oct 30
Growing season
207 days
Hardiness zone
8a
More local growing data for Buffalo: nearby ZIP 29321 weather · frost dates · planting calendar · South Carolina frost dates
Nearby towns & communities
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Climate data from the nearest NOAA station, Union 8 S, Sc (8.8 mi from Buffalo). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.