Harman US

Sherman, SD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sherman, a town in Minnehaha County, South Dakota.

Today
44°F
Rain Showers
Rain showers likely before noon, then rain showers and patchy fog. Cloudy, with a high near 44. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Sherman

WhenTempForecastWindPrecip
Today 44°F Rain Showers 15 mph NW 96%
Tonight 36°F Chance Rain Showers then Cloudy 15 mph NNW 44%
Thursday 43°F Mostly Cloudy 10 to 15 mph N 0%
Thursday Night 29°F Mostly Cloudy 0 to 10 mph N 0%
Friday 43°F Mostly Sunny 0 mph 0%
Friday Night 28°F Partly Cloudy 0 to 5 mph S 0%
Saturday 51°F Mostly Sunny 0 to 10 mph SW 1%
Saturday Night 33°F Mostly Clear 5 mph W 0%
Sunday 54°F Sunny 5 to 10 mph WSW 0%
Sunday Night 37°F Mostly Clear 5 mph SSW 0%
Monday 60°F Sunny 5 to 10 mph W 0%
Monday Night 37°F Mostly Clear 0 to 5 mph NW 0%
Tuesday 57°F Mostly Sunny 0 to 5 mph WNW 1%
Tuesday Night 39°F Partly Cloudy 0 to 5 mph S 0%

Forecast source: National Weather Service (api.weather.gov) for Sherman (43.758, -96.476). Updated through the day.

Growing snapshot for Sherman

Last spring frost
May 1
First fall frost
Oct 4
Growing season
155 days
Hardiness zone
5a

More local growing data for Sherman: nearby ZIP 57030 weather · frost dates · planting calendar · South Dakota frost dates

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Climate data from the nearest NOAA station, Sioux Falls 14 Nne, Sd (3.9 mi from Sherman). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.