Quinn, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Quinn, a town in Pennington County, South Dakota.
Today
74°F
Areas Of Smoke then Mostly Sunny
Areas of smoke before noon. Mostly sunny, with a high near 74. West wind 2 to 6 mph.
7-day forecast for Quinn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Areas Of Smoke then Mostly Sunny | 2 to 6 mph W | 7% |
| Tonight | 54°F | Partly Cloudy | 7 mph SW | 6% |
| Wednesday | 84°F | Sunny | 6 to 9 mph SW | 2% |
| Wednesday Night | 58°F | Mostly Clear | 6 to 12 mph S | 5% |
| Thursday | 93°F | Sunny | 6 to 10 mph NW | 1% |
| Thursday Night | 63°F | Mostly Clear | 7 mph SE | 0% |
| Friday | 96°F | Sunny | 7 to 12 mph N | 1% |
| Friday Night | 65°F | Mostly Clear | 9 to 14 mph S | 2% |
| Saturday | 98°F | Sunny | 9 to 14 mph N | 0% |
| Saturday Night | 64°F | Mostly Clear | 6 to 14 mph NE | 3% |
| Sunday | 96°F | Mostly Sunny | 6 to 21 mph E | 11% |
| Sunday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 9 to 21 mph E | 26% |
| Monday | 92°F | Mostly Sunny | 9 to 18 mph NE | 13% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 10 to 18 mph E | 32% |
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
Caputa
Colonial Pine Hills
Cottonwood
Green Valley
Hill City
Johnson Siding
Keystone
New Underwood
Rapid City
Wall
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 Aug 4, 2026.