Buffalo, SD Weather & Growing Conditions
Tonight
55°F
Cloudy then Chance Rain Showers
Patchy fog between 2am and 3am, then a chance of rain showers and patchy fog. Cloudy. Low around 55, with temperatures rising to around 57 overnight. East wind 6 to 9 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Cloudy then Chance Rain Showers | 6 to 9 mph E | 26% |
| Saturday | 65°F | Rain Showers Likely | 6 to 15 mph E | 67% |
| Saturday Night | 52°F | Rain Showers Likely | 15 mph E | 74% |
| Sunday | 60°F | Rain Showers | 16 mph E | 96% |
| Sunday Night | 49°F | Rain Showers | 12 to 16 mph E | 78% |
| Monday | 64°F | Mostly Cloudy | 12 to 22 mph SE | 10% |
| Monday Night | 49°F | Mostly Cloudy | 17 to 22 mph SE | 1% |
| Tuesday | 72°F | Partly Sunny | 17 to 25 mph SE | 2% |
| Tuesday Night | 52°F | Partly Cloudy | 8 to 24 mph SE | 7% |
| Wednesday | 78°F | Mostly Sunny | 7 to 12 mph SE | 14% |
| Wednesday Night | 53°F | Mostly Clear | 6 to 12 mph SE | 14% |
| Thursday | 79°F | Sunny | 6 to 15 mph E | 4% |
| Thursday Night | 54°F | Partly Cloudy | 10 to 16 mph SE | 5% |
| Friday | 79°F | Mostly Sunny | 10 to 22 mph SE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Buffalo, SD
Last spring frost
May 15
First fall frost
Sep 24
Growing season
131 days
Hardiness zone
4b
Explore more for Buffalo, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Redig 11 Ne, Sd (11.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.