Harman US

Martin, SD Weather & Growing Conditions

Tonight
30°F
Mostly Clear
Mostly clear, with a low around 30. Northwest wind 9 to 13 mph, with gusts as high as 22 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 30°F Mostly Clear 9 to 13 mph NW 0%
Wednesday 49°F Partly Sunny 14 to 17 mph NW 1%
Wednesday Night 32°F Mostly Cloudy 14 mph NW 1%
Thursday 52°F Mostly Sunny 3 to 12 mph N 0%
Thursday Night 30°F Mostly Clear 2 to 9 mph S 0%
Friday 55°F Mostly Sunny 5 to 10 mph W 0%
Friday Night 33°F Mostly Clear 5 to 13 mph W 7%
Saturday 59°F Sunny 7 to 17 mph W 7%
Saturday Night 34°F Mostly Clear 6 to 12 mph W 3%
Sunday 65°F Sunny 12 to 15 mph SW 0%
Sunday Night 42°F Mostly Clear 16 mph W 0%
Monday 60°F Sunny 6 to 16 mph NW 0%
Monday Night 37°F Partly Cloudy 5 to 12 mph SW 0%
Tuesday 61°F Mostly Sunny 8 to 15 mph W 1%

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

Growing snapshot for Martin, SD

Last spring frost
May 13
First fall frost
Oct 2
Growing season
141 days
Hardiness zone
5a

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

Climate data from the nearest NOAA station, Martin, Sd (1.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.