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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
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 Sep 19, 2026.