Harman US

Gascoyne, SD Weather & Growing Conditions

This Afternoon
64°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 64, with temperatures falling to around 60 in the afternoon. East wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 64°F Rain Showers Likely 14 mph E 70%
Tonight 49°F Rain Showers 14 to 17 mph E 91%
Sunday 58°F Rain Showers 15 to 18 mph E 97%
Sunday Night 46°F Rain Showers 9 to 14 mph E 78%
Monday 64°F Mostly Cloudy 9 to 17 mph SE 6%
Monday Night 45°F Mostly Cloudy 20 mph SE 3%
Tuesday 69°F Partly Sunny 20 to 28 mph SE 1%
Tuesday Night 49°F Partly Cloudy 16 to 25 mph SE 4%
Wednesday 76°F Partly Sunny then Chance Showers And Thunderstorms 16 to 20 mph SE 27%
Wednesday Night 51°F Chance Showers And Thunderstorms then Mostly Cloudy 7 to 15 mph S 43%
Thursday 81°F Mostly Sunny 6 to 9 mph S 2%
Thursday Night 53°F Mostly Clear 12 mph SE 4%
Friday 80°F Mostly Sunny 12 to 28 mph SE 3%
Friday Night 54°F Partly Cloudy 16 to 26 mph SE 9%

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 Sep 20, 2026.