Buffalo, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buffalo, a town in Harding County, South Dakota.
Today
75°F
Areas Of Smoke then Sunny
Areas of smoke before noon. Sunny. High near 75, with temperatures falling to around 73 in the afternoon. Northwest wind 7 to 12 mph, with gusts as high as 24 mph.
7-day forecast for Buffalo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Areas Of Smoke then Sunny | 7 to 12 mph NW | 0% |
| Tonight | 49°F | Mostly Clear | 2 to 10 mph NW | 1% |
| Wednesday | 84°F | Mostly Sunny | 2 to 8 mph SW | 0% |
| Wednesday Night | 54°F | Partly Cloudy | 5 to 8 mph S | 0% |
| Thursday | 92°F | Sunny | 2 to 9 mph W | 1% |
| Thursday Night | 58°F | Mostly Clear | 6 to 9 mph NE | 0% |
| Friday | 94°F | Sunny | 6 to 12 mph NE | 0% |
| Friday Night | 60°F | Mostly Clear | 7 to 13 mph NE | 0% |
| Saturday | 96°F | Sunny | 7 to 16 mph N | 0% |
| Saturday Night | 61°F | Mostly Clear | 7 to 16 mph NE | 3% |
| Sunday | 94°F | Mostly Sunny | 7 to 20 mph E | 11% |
| Sunday Night | 61°F | Slight Chance Showers And Thunderstorms | 10 to 20 mph E | 24% |
| Monday | 91°F | Mostly Sunny | 10 to 21 mph E | 13% |
| Monday Night | 60°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 12 to 21 mph E | 40% |
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 Aug 4, 2026.