Quinn, SD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Quinn, a town in Pennington County, South Dakota.
This Afternoon
68°F
Cloudy
Cloudy. High near 68, with temperatures falling to around 65 in the afternoon. Northeast wind around 12 mph, with gusts as high as 22 mph.
7-day forecast for Quinn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Cloudy | 12 mph NE | 12% |
| Tonight | 51°F | Chance Showers And Thunderstorms | 12 mph E | 86% |
| Sunday | 61°F | Rain Showers | 12 to 15 mph E | 91% |
| Sunday Night | 47°F | Showers And Thunderstorms | 8 to 14 mph E | 97% |
| Monday | 63°F | Chance Rain Showers then Mostly Cloudy | 7 to 10 mph E | 33% |
| Monday Night | 45°F | Mostly Cloudy | 13 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 | 15% |
| Wednesday Night | 53°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 to 18 mph S | 23% |
| Thursday | 82°F | Sunny | 7 mph NW | 2% |
| Thursday Night | 54°F | Mostly Clear | 7 mph E | 5% |
| Friday | 82°F | Mostly Sunny | 6 to 18 mph SE | 7% |
| Friday Night | 57°F | Partly Cloudy then Slight Chance Rain Showers | 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 20, 2026.