Vermillion, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vermillion, a city in Clay County, South Dakota.
Overnight
38°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy. Low around 38, with temperatures rising to around 41 overnight. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
7-day forecast for Vermillion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 38°F | Slight Chance Rain Showers | 15 mph NW | 19% |
| Wednesday | 47°F | Chance Rain Showers | 15 to 20 mph WNW | 50% |
| Wednesday Night | 37°F | Chance Rain Showers | 15 mph NW | 36% |
| Thursday | 48°F | Mostly Cloudy | 10 to 15 mph NW | 2% |
| Thursday Night | 32°F | Mostly Cloudy | 0 to 10 mph N | 0% |
| Friday | 47°F | Mostly Sunny | 0 mph | 0% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph SSE | 0% |
| Saturday | 55°F | Mostly Sunny | 5 mph SSW | 0% |
| Saturday Night | 35°F | Mostly Clear | 5 mph WSW | 0% |
| Sunday | 58°F | Sunny | 5 mph SW | 0% |
| Sunday Night | 39°F | Mostly Clear | 5 mph S | 0% |
| Monday | 63°F | Sunny | 5 to 10 mph W | 0% |
| Monday Night | 38°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Tuesday | 60°F | Mostly Sunny | 0 to 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Vermillion (42.781, -96.925). Updated through the day.
Growing snapshot for Vermillion
Last spring frost
May 3
First fall frost
Oct 3
Growing season
153 days
Hardiness zone
5a
More local growing data for Vermillion: nearby ZIP 57069 weather · frost dates · planting calendar · South Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Vermillion 2 Se, Sd (6.6 mi from Vermillion). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.