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Summerset, SD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Summerset, a city in Meade County, South Dakota.

Tonight
58°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 10pm and 2am, then patchy fog and a slight chance of showers and thunderstorms between 2am and 3am, then patchy fog and showers and thunderstorms likely. Mostly cloudy, with a low around 58. Southeast wind 2 to 6 mph. Chance of precipitation is 60%.

7-day forecast for Summerset

WhenTempForecastWindPrecip
Tonight 58°F Slight Chance Showers And Thunderstorms 2 to 6 mph SE 58%
Saturday 65°F Rain Showers Likely 2 to 8 mph E 73%
Saturday Night 54°F Showers And Thunderstorms Likely 5 to 8 mph E 74%
Sunday 58°F Rain Showers 6 to 9 mph E 99%
Sunday Night 51°F Showers And Thunderstorms 3 to 7 mph E 95%
Monday 62°F Chance Rain Showers 3 to 12 mph E 46%
Monday Night 51°F Slight Chance Rain Showers then Mostly Cloudy 12 mph SE 19%
Tuesday 72°F Mostly Sunny 9 to 18 mph SE 8%
Tuesday Night 56°F Partly Cloudy 6 to 15 mph S 12%
Wednesday 78°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 9 mph S 25%
Wednesday Night 56°F Mostly Clear 6 mph SW 14%
Thursday 78°F Sunny 3 to 9 mph NE 8%
Thursday Night 57°F Partly Cloudy 8 mph S 5%
Friday 80°F Mostly Sunny 7 to 16 mph S 10%

Forecast source: National Weather Service (api.weather.gov) for Summerset (44.193, -103.342). Updated through the day.

Growing snapshot for Summerset

Last spring frost
May 10
First fall frost
Oct 5
Growing season
147 days
Hardiness zone
5a

More local growing data for Summerset: nearby ZIP 57718 weather · frost dates · planting calendar · South Dakota frost dates

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Climate data from the nearest NOAA station, Rapid City 4Nw, Sd (5.4 mi from Summerset). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.