Harman US

Vermillion, SD Weather & Growing Conditions

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 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 38°F Slight Chance Rain Showers 15 to 20 mph NW 20%
Wednesday 47°F Chance Rain Showers 15 to 20 mph WNW 52%
Wednesday Night 37°F Chance Rain Showers 15 mph NW 37%
Thursday 47°F Mostly Cloudy 10 to 15 mph NNW 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 SE 0%
Saturday 54°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 62°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). 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 Nov 4, 2026.