Harman US

Irene, SD Weather & Growing Conditions

Tonight
38°F
Rain Showers Likely
Rain showers likely. Cloudy. Low around 38, with temperatures rising to around 41 overnight. Northwest wind around 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 38°F Rain Showers Likely 20 mph NW 68%
Wednesday 45°F Rain Showers Likely 20 mph NW 60%
Wednesday Night 37°F Rain Showers Likely 15 mph NW 65%
Thursday 46°F Mostly Cloudy 10 to 15 mph NNW 12%
Thursday Night 32°F Mostly Cloudy 5 to 10 mph N 0%
Friday 46°F Partly Sunny 5 mph E 0%
Friday Night 32°F Partly Cloudy 5 mph S 0%
Saturday 56°F Mostly Sunny 5 to 10 mph WSW 2%
Saturday Night 36°F Mostly Clear 5 to 10 mph W 5%
Sunday 58°F Sunny 5 to 10 mph SW 1%
Sunday Night 39°F Mostly Clear 10 mph S 1%
Monday 60°F Sunny 10 to 15 mph W 0%
Monday Night 38°F Mostly Clear 5 to 10 mph NW 0%
Tuesday 57°F Mostly Sunny 5 to 10 mph SSW 1%

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

Growing snapshot for Irene, SD

Last spring frost
Apr 27
First fall frost
Oct 11
Growing season
164 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Yankton 2 E, Sd (16.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.