Buffalo, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buffalo, a town in Harding County, South Dakota.
Tonight
27°F
Partly Cloudy
Partly cloudy, with a low around 27. Northwest wind around 7 mph.
7-day forecast for Buffalo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 27°F | Partly Cloudy | 7 mph NW | 0% |
| Wednesday | 53°F | Partly Sunny | 7 to 13 mph NW | 0% |
| Wednesday Night | 27°F | Mostly Cloudy | 5 to 10 mph NW | 0% |
| Thursday | 54°F | Mostly Sunny | 2 to 8 mph SW | 0% |
| Thursday Night | 29°F | Partly Cloudy | 5 to 8 mph S | 0% |
| Friday | 55°F | Sunny | 5 to 12 mph W | 0% |
| Friday Night | 33°F | Mostly Clear | 7 to 13 mph SW | 4% |
| Saturday | 58°F | Sunny | 12 to 26 mph W | 4% |
| Saturday Night | 31°F | Mostly Clear | 6 to 9 mph SW | 0% |
| Sunday | 64°F | Sunny | 6 to 13 mph SW | 0% |
| Sunday Night | 39°F | Mostly Clear | 12 mph W | 0% |
| Monday | 58°F | Sunny | 8 to 15 mph NW | 1% |
| Monday Night | 34°F | Partly Cloudy | 7 mph SW | 1% |
| Tuesday | 60°F | Mostly Sunny | 5 to 13 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Buffalo (45.586, -103.543). Updated through the day.
Growing snapshot for Buffalo
Last spring frost
May 10
First fall frost
Oct 1
Growing season
141 days
Hardiness zone
4b
More local growing data for Buffalo: nearby ZIP 57720 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Buffalo Asos, Sd (5 mi from Buffalo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.