Harman US

Tyndall, SD Weather & Growing Conditions

Tonight
38°F
Slight Chance Rain Showers then Cloudy
A slight chance of rain showers before midnight. Cloudy, with a low around 38. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 38°F Slight Chance Rain Showers then Cloudy 15 mph NW 17%
Wednesday 46°F Chance Rain Showers 15 mph NW 44%
Wednesday Night 37°F Slight Chance Rain Showers 10 to 15 mph NW 20%
Thursday 46°F Mostly Cloudy 10 to 15 mph NNW 0%
Thursday Night 30°F Mostly Cloudy 0 to 10 mph N 0%
Friday 46°F Mostly Sunny 0 to 5 mph SE 0%
Friday Night 30°F Partly Cloudy 5 mph SSE 0%
Saturday 56°F Sunny 5 mph SW 0%
Saturday Night 35°F Mostly Clear 5 mph W 3%
Sunday 60°F Sunny 5 to 10 mph SW 1%
Sunday Night 40°F Mostly Clear 5 to 10 mph SSW 0%
Monday 62°F Sunny 5 to 15 mph WNW 0%
Monday Night 38°F Mostly Clear 5 mph WNW 0%
Tuesday 59°F Mostly Sunny 5 mph SSW 0%

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

Growing snapshot for Tyndall, SD

Last spring frost
May 1
First fall frost
Oct 7
Growing season
158 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Tyndall, Sd (0.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.