Harman US

Timber Lake, SD Weather & Growing Conditions

Tonight
29°F
Patchy Fog then Mostly Cloudy
Patchy fog between 8pm and 10pm. Mostly cloudy. Low around 29, with temperatures rising to around 33 overnight. North northwest wind 12 to 18 mph, with gusts as high as 26 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 29°F Patchy Fog then Mostly Cloudy 12 to 18 mph NNW 0%
Wednesday 49°F Mostly Cloudy 15 to 18 mph NNW 0%
Wednesday Night 30°F Patchy Fog 12 to 16 mph NNW 0%
Thursday 48°F Patchy Fog then Mostly Sunny 5 to 10 mph NNE 0%
Thursday Night 27°F Partly Cloudy 7 mph SE 0%
Friday 49°F Mostly Sunny 7 mph SSW 0%
Friday Night 31°F Partly Cloudy 6 to 9 mph SW 2%
Saturday 58°F Sunny 10 to 21 mph W 2%
Saturday Night 32°F Mostly Clear 7 to 10 mph W 1%
Sunday 60°F Sunny 7 to 12 mph SSW 0%
Sunday Night 39°F Mostly Clear 9 to 15 mph WSW 0%
Monday 58°F Sunny 7 to 20 mph WNW 0%
Monday Night 34°F Partly Cloudy 7 mph W 0%
Tuesday 56°F Mostly Sunny 7 to 10 mph S 0%

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

Growing snapshot for Timber Lake, SD

Last spring frost
May 10
First fall frost
Sep 30
Growing season
141 days
Hardiness zone
4b

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

Climate data from the nearest NOAA station, Timber Lake, Sd (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.