Vermillion, SD Weather & Growing Conditions
Today
69°F
Cloudy
Cloudy. High near 69, with temperatures falling to around 66 in the afternoon. North wind around 10 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Cloudy | 10 mph N | 10% |
| Tonight | 57°F | Cloudy | 10 mph NNE | 12% |
| Sunday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 32% |
| Sunday Night | 53°F | Rain Showers Likely | 10 mph ENE | 64% |
| Monday | 61°F | Rain Showers Likely | 10 mph ENE | 64% |
| Monday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph E | 24% |
| Tuesday | 64°F | Partly Sunny | 5 to 10 mph ESE | 4% |
| Tuesday Night | 47°F | Partly Cloudy | 5 to 10 mph SE | 1% |
| Wednesday | 67°F | Mostly Sunny | 5 to 15 mph SE | 10% |
| Wednesday Night | 52°F | Chance Rain Showers | 10 mph SE | 40% |
| Thursday | 69°F | Chance Showers And Thunderstorms | 10 to 15 mph SE | 40% |
| Thursday Night | 54°F | Slight Chance Rain Showers | 5 to 10 mph SE | 21% |
| Friday | 71°F | Slight Chance Rain Showers | 5 to 15 mph SE | 21% |
| Friday Night | 56°F | Mostly Cloudy then Chance Rain Showers | 10 mph SE | 28% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Vermillion, SD
Last spring frost
May 3
First fall frost
Oct 3
Growing season
153 days
Hardiness zone
5a
Explore more for Vermillion, SD: full frost dates · planting calendar · South Dakota frost dates
Climate data from the nearest NOAA station, Vermillion 2 Se, Sd (6.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.