Gwinner, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Gwinner, a city in Sargent County, North Dakota.
This Afternoon
48°F
Slight Chance Drizzle
A slight chance of drizzle. Cloudy. High near 48, with temperatures falling to around 45 in the afternoon. North wind around 18 mph, with gusts as high as 29 mph.
7-day forecast for Gwinner
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 48°F | Slight Chance Drizzle | 18 mph N | 11% |
| Tonight | 35°F | Light Rain Likely | 16 to 21 mph NNW | 63% |
| Wednesday | 45°F | Light Rain Likely | 20 to 23 mph NNW | 64% |
| Wednesday Night | 30°F | Mostly Cloudy | 14 to 17 mph NNW | 6% |
| Thursday | 39°F | Partly Sunny | 9 to 18 mph N | 1% |
| Thursday Night | 25°F | Mostly Cloudy | 1 to 8 mph E | 0% |
| Friday | 43°F | Partly Sunny | 1 to 7 mph SSW | 0% |
| Friday Night | 27°F | Partly Cloudy | 6 to 10 mph SSW | 0% |
| Saturday | 54°F | Mostly Sunny | 10 to 15 mph WSW | 7% |
| Saturday Night | 32°F | Partly Cloudy | 10 mph W | 2% |
| Sunday | 55°F | Mostly Sunny | 10 mph SW | 1% |
| Sunday Night | 35°F | Partly Cloudy | 8 to 14 mph SW | 0% |
| Monday | 56°F | Mostly Sunny | 13 to 20 mph W | 0% |
| Monday Night | 33°F | Partly Cloudy | 7 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Gwinner (46.231, -97.656). Updated through the day.
Growing snapshot for Gwinner
Last spring frost
May 7
First fall frost
Oct 1
Growing season
146 days
Hardiness zone
4a
More local growing data for Gwinner: nearby ZIP 58040 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Forman 5 Sse, Nd (11.6 mi from Gwinner). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.