Sibley, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sibley, a city in Steele County, North Dakota.
Tonight
51°F
Mostly Cloudy then Patchy Fog
Patchy fog after 1am. Mostly cloudy. Low around 51, with temperatures rising to around 53 overnight. East wind 5 to 12 mph.
7-day forecast for Sibley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Cloudy then Patchy Fog | 5 to 12 mph E | 3% |
| Saturday | 70°F | Patchy Fog then Mostly Cloudy | 5 to 14 mph NE | 9% |
| Saturday Night | 49°F | Mostly Cloudy | 12 to 16 mph NE | 2% |
| Sunday | 67°F | Mostly Cloudy | 12 to 15 mph NE | 2% |
| Sunday Night | 45°F | Mostly Cloudy | 5 to 10 mph E | 3% |
| Monday | 68°F | Mostly Sunny | 5 to 12 mph ESE | 2% |
| Monday Night | 43°F | Partly Cloudy | 8 mph SE | 0% |
| Tuesday | 69°F | Mostly Sunny | 7 to 18 mph SSE | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 13 to 16 mph SSE | 5% |
| Wednesday | 70°F | Partly Sunny | 14 to 20 mph SSE | 10% |
| Wednesday Night | 50°F | Slight Chance Rain Showers | 9 to 17 mph SSE | 19% |
| Thursday | 74°F | Slight Chance Rain Showers then Mostly Sunny | 8 to 14 mph S | 19% |
| Thursday Night | 52°F | Partly Cloudy | 7 to 10 mph SSE | 8% |
| Friday | 74°F | Mostly Sunny | 7 to 17 mph SSE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Sibley (47.219, -97.965). Updated through the day.
Growing snapshot for Sibley
Last spring frost
May 17
First fall frost
Sep 23
Growing season
128 days
Hardiness zone
4a
More local growing data for Sibley: nearby ZIP 58056 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cooperstown, Nd (12.7 mi from Sibley). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.