Interior, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Interior, a town in Jackson County, South Dakota.
This Afternoon
50°F
Sunny
Sunny. High near 50, with temperatures falling to around 44 in the afternoon. Northwest wind 8 to 18 mph, with gusts as high as 32 mph.
7-day forecast for Interior
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Sunny | 8 to 18 mph NW | 0% |
| Tonight | 30°F | Mostly Clear | 7 mph NW | 0% |
| Wednesday | 53°F | Partly Sunny | 7 to 15 mph NW | 0% |
| Wednesday Night | 33°F | Mostly Cloudy | 7 to 10 mph NW | 0% |
| Thursday | 55°F | Mostly Sunny | 3 to 7 mph N | 0% |
| Thursday Night | 30°F | Mostly Clear | 5 mph SE | 0% |
| Friday | 55°F | Mostly Sunny | 3 to 8 mph NW | 0% |
| Friday Night | 33°F | Partly Cloudy | 3 to 10 mph W | 5% |
| Saturday | 62°F | Sunny | 7 to 16 mph W | 5% |
| Saturday Night | 34°F | Mostly Clear | 8 mph W | 2% |
| Sunday | 68°F | Sunny | 8 to 14 mph SW | 0% |
| Sunday Night | 41°F | Mostly Clear | 13 mph W | 0% |
| Monday | 63°F | Sunny | 6 to 14 mph NW | 0% |
| Monday Night | 37°F | Partly Cloudy | 7 mph SE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Interior (43.727, -101.983). Updated through the day.
Growing snapshot for Interior
Last spring frost
May 5
First fall frost
Oct 7
Growing season
152 days
Hardiness zone
5a
More local growing data for Interior: nearby ZIP 57750 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Interior 3 Ne, Sd (10.7 mi from Interior). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.