Harman US

Hamill, SD Weather & Growing Conditions

Tonight
35°F
Cloudy
Cloudy. Low around 35, with temperatures rising to around 37 overnight. Northwest wind around 18 mph, with gusts as high as 28 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 35°F Cloudy 18 mph NW 3%
Wednesday 47°F Mostly Cloudy 20 mph NW 13%
Wednesday Night 33°F Mostly Cloudy 17 mph NW 9%
Thursday 48°F Mostly Sunny 8 to 16 mph N 1%
Thursday Night 28°F Partly Cloudy 6 mph E 0%
Friday 50°F Mostly Sunny 8 mph S 0%
Friday Night 31°F Partly Cloudy 8 mph S 0%
Saturday 59°F Sunny 8 to 14 mph W 5%
Saturday Night 34°F Mostly Clear 8 to 12 mph W 2%
Sunday 63°F Sunny 12 mph SW 0%
Sunday Night 40°F Mostly Clear 12 to 16 mph SW 0%
Monday 60°F Sunny 9 to 18 mph NW 0%
Monday Night 37°F Partly Cloudy 9 mph W 0%
Tuesday 59°F Mostly Sunny 10 mph S 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Hamill, SD

Last spring frost
May 1
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
5a

Explore more for Hamill, SD: full frost dates · planting calendar · South Dakota frost dates

Climate data from the nearest NOAA station, Winner Wiley Fld, Sd (15.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.