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Quinn, SD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Quinn, a town in Pennington County, South Dakota.

Today
68°F
Patchy Fog
Patchy fog and a slight chance of rain showers. Cloudy, with a high near 68. Northeast wind 6 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.

7-day forecast for Quinn

WhenTempForecastWindPrecip
Today 68°F Patchy Fog 6 to 13 mph NE 23%
Tonight 50°F Showers And Thunderstorms Likely 13 mph E 65%
Sunday 61°F Rain Showers 13 to 17 mph E 99%
Sunday Night 47°F Rain Showers 9 to 16 mph E 97%
Monday 63°F Chance Rain Showers then Mostly Cloudy 8 to 14 mph E 33%
Monday Night 45°F Mostly Cloudy 10 to 14 mph SE 7%
Tuesday 71°F Partly Sunny 10 to 22 mph SE 6%
Tuesday Night 51°F Partly Cloudy 15 to 22 mph SE 7%
Wednesday 79°F Mostly Sunny then Slight Chance Showers And Thunderstorms 15 to 21 mph S 16%
Wednesday Night 53°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 6 to 18 mph S 20%
Thursday 82°F Mostly Sunny 7 mph NW 3%
Thursday Night 54°F Partly Cloudy 7 mph E 5%
Friday 82°F Mostly Sunny 6 to 18 mph SE 8%
Friday Night 57°F Slight Chance Showers And Thunderstorms then Partly Cloudy 15 to 18 mph SE 15%

Forecast source: National Weather Service (api.weather.gov) for Quinn (43.987, -102.126). Updated through the day.

Growing snapshot for Quinn

Last spring frost
May 16
First fall frost
Sep 26
Growing season
132 days
Hardiness zone
5a

More local growing data for Quinn: nearby ZIP 57775 weather · frost dates · planting calendar · South Dakota frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Cottonwood 2 E, Sd (11.5 mi from Quinn). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.