Harman US

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

WhenTempForecastWindPrecip
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.