Interior, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Interior, a town in Jackson County, South Dakota.
Tonight
56°F
Cloudy then Chance Rain Showers
A chance of rain showers after 3am. Cloudy. Low around 56, with temperatures rising to around 58 overnight. Northeast wind around 7 mph. Chance of precipitation is 30%.
7-day forecast for Interior
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Cloudy then Chance Rain Showers | 7 mph NE | 29% |
| Saturday | 68°F | Chance Rain Showers | 5 to 12 mph NE | 32% |
| Saturday Night | 53°F | Showers And Thunderstorms Likely | 9 to 13 mph E | 74% |
| Sunday | 62°F | Rain Showers | 10 to 15 mph E | 95% |
| Sunday Night | 50°F | Rain Showers | 9 to 15 mph NE | 90% |
| Monday | 65°F | Chance Rain Showers | 9 to 15 mph E | 31% |
| Monday Night | 49°F | Mostly Cloudy | 9 to 15 mph E | 13% |
| Tuesday | 73°F | Partly Sunny | 9 to 21 mph SE | 10% |
| Tuesday Night | 55°F | Slight Chance Rain Showers then Partly Cloudy | 12 to 20 mph SE | 17% |
| Wednesday | 79°F | Mostly Sunny | 12 to 16 mph S | 11% |
| Wednesday Night | 55°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 13 mph S | 21% |
| Thursday | 79°F | Mostly Sunny | 5 to 9 mph S | 5% |
| Thursday Night | 56°F | Partly Cloudy | 9 mph SE | 6% |
| Friday | 81°F | Mostly Sunny | 7 to 16 mph SE | 9% |
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 Sep 19, 2026.