Fairburn, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairburn, a town in Custer County, South Dakota.
This Afternoon
67°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. High near 67, with temperatures falling to around 65 in the afternoon. East wind 7 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.
7-day forecast for Fairburn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Showers And Thunderstorms Likely | 7 to 10 mph E | 63% |
| Tonight | 50°F | Showers And Thunderstorms | 7 to 10 mph NE | 100% |
| Sunday | 61°F | Patchy Fog | 7 to 12 mph NE | 100% |
| Sunday Night | 46°F | Showers And Thunderstorms | 5 to 10 mph NE | 97% |
| Monday | 63°F | Chance Rain Showers | 3 to 8 mph NE | 52% |
| Monday Night | 46°F | Chance Rain Showers then Mostly Cloudy | 3 to 8 mph SE | 31% |
| Tuesday | 73°F | Partly Sunny | 5 to 14 mph S | 8% |
| Tuesday Night | 50°F | Partly Cloudy | 7 to 14 mph S | 12% |
| Wednesday | 80°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 7 to 16 mph S | 20% |
| Wednesday Night | 53°F | Partly Cloudy | 5 to 10 mph SW | 13% |
| Thursday | 83°F | Sunny | 2 to 8 mph NE | 3% |
| Thursday Night | 54°F | Mostly Clear | 2 to 7 mph NW | 3% |
| Friday | 83°F | Mostly Sunny | 3 to 14 mph S | 9% |
| Friday Night | 55°F | Partly Cloudy | 9 to 13 mph S | 14% |
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 20, 2026.