Harman US

Gascoyne, SD Weather & Growing Conditions

This Afternoon
54°F
Mostly Sunny
Mostly sunny. High near 54, with temperatures falling to around 48 in the afternoon. Northwest wind around 13 mph, with gusts as high as 25 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 54°F Mostly Sunny 13 mph NW 0%
Tonight 26°F Partly Cloudy then Patchy Fog 3 to 10 mph NW 0%
Thursday 50°F Patchy Fog then Mostly Sunny 2 to 9 mph SE 0%
Thursday Night 26°F Partly Cloudy 6 to 9 mph S 0%
Friday 53°F Mostly Sunny 5 to 13 mph W 0%
Friday Night 32°F Mostly Clear 5 to 14 mph W 0%
Saturday 58°F Sunny 9 to 23 mph W 0%
Saturday Night 30°F Mostly Clear 8 mph W 0%
Sunday 64°F Sunny 8 to 15 mph SW 0%
Sunday Night 39°F Partly Cloudy 10 to 14 mph W 0%
Monday 59°F Sunny 7 to 15 mph NW 0%
Monday Night 33°F Mostly Cloudy 7 mph W 2%
Tuesday 58°F Mostly Sunny 6 to 10 mph S 0%
Tuesday Night 35°F Partly Cloudy 8 mph SW 1%

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

Growing snapshot for Gascoyne, SD

Last spring frost
May 16
First fall frost
Sep 26
Growing season
131 days
Hardiness zone
4b

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

Climate data from the nearest NOAA station, Ludlow 3 Sse, Sd (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.