Vermillion, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vermillion, a city in Clay County, South Dakota.
Today
68°F
Patchy Smoke
Patchy smoke and showers and thunderstorms before 3pm, then scattered showers and thunderstorms. Mostly cloudy, with a high near 68. North northwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Vermillion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Patchy Smoke | 5 to 10 mph NNW | 82% |
| Tonight | 54°F | Scattered Rain Showers then Mostly Cloudy | 0 to 5 mph WNW | 49% |
| Wednesday | 76°F | Mostly Sunny | 0 to 5 mph ESE | 2% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph SSE | 1% |
| Thursday | 82°F | Sunny | 5 to 15 mph S | 0% |
| Thursday Night | 64°F | Mostly Clear | 5 to 10 mph S | 4% |
| Friday | 88°F | Sunny | 5 to 15 mph SSW | 3% |
| Friday Night | 66°F | Mostly Clear | 5 to 10 mph S | 11% |
| Saturday | 91°F | Sunny | 5 to 15 mph SSE | 4% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 to 20 mph SSE | 15% |
| Sunday | 90°F | Mostly Sunny | 10 to 15 mph SE | 12% |
| Sunday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 10 to 15 mph ESE | 15% |
| Monday | 89°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph E | 15% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph ENE | 22% |
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 Aug 4, 2026.