Fairburn, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairburn, a town in Custer County, South Dakota.
Today
68°F
Areas Of Fog
Areas of fog and a chance of showers and thunderstorms. Cloudy, with a high near 68. East wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
7-day forecast for Fairburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Areas Of Fog | 5 to 10 mph E | 49% |
| Tonight | 49°F | Showers And Thunderstorms | 7 to 10 mph NE | 77% |
| Sunday | 60°F | Showers And Thunderstorms | 7 to 12 mph E | 88% |
| Sunday Night | 45°F | Showers And Thunderstorms | 5 to 10 mph NE | 97% |
| Monday | 63°F | Chance Rain Showers | 5 to 9 mph NE | 39% |
| Monday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 9 mph SE | 22% |
| Tuesday | 73°F | Partly Sunny | 5 to 15 mph S | 9% |
| Tuesday Night | 50°F | Slight Chance Rain Showers then Partly Cloudy | 6 to 14 mph S | 18% |
| Wednesday | 78°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 6 to 13 mph S | 20% |
| Wednesday Night | 51°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph S | 27% |
| Thursday | 80°F | Mostly Sunny | 2 to 8 mph S | 8% |
| Thursday Night | 52°F | Mostly Clear | 2 to 8 mph S | 9% |
| Friday | 81°F | Mostly Sunny | 3 to 14 mph S | 6% |
| Friday Night | 54°F | Slight Chance Rain Showers | 9 to 14 mph S | 17% |
Forecast source: National Weather Service (api.weather.gov) for Fairburn (43.687, -103.209). Updated through the day.
Growing snapshot for Fairburn
Last spring frost
May 15
First fall frost
Sep 29
Growing season
133 days
Hardiness zone
5a
More local growing data for Fairburn: nearby ZIP 57738 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Wind Cave, Sd (18.3 mi from Fairburn). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.