Sibley, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sibley, a city in Steele County, North Dakota.
Today
69°F
Patchy Fog then Mostly Cloudy
Patchy fog before 10am. Mostly cloudy, with a high near 69. Northeast wind 5 to 15 mph.
7-day forecast for Sibley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Patchy Fog then Mostly Cloudy | 5 to 15 mph NE | 7% |
| Tonight | 48°F | Mostly Cloudy | 13 to 16 mph NE | 8% |
| Sunday | 65°F | Mostly Cloudy | 14 mph ENE | 0% |
| Sunday Night | 43°F | Mostly Cloudy | 3 to 12 mph ENE | 0% |
| Monday | 68°F | Mostly Sunny | 3 to 10 mph ESE | 0% |
| Monday Night | 42°F | Mostly Clear | 7 mph SE | 1% |
| Tuesday | 68°F | Sunny | 6 to 21 mph SSE | 1% |
| Tuesday Night | 45°F | Partly Cloudy | 17 mph SSE | 4% |
| Wednesday | 70°F | Partly Sunny | 15 to 21 mph SSE | 9% |
| Wednesday Night | 49°F | Slight Chance Rain Showers | 9 to 17 mph SSE | 16% |
| Thursday | 72°F | Slight Chance Rain Showers then Partly Sunny | 9 to 15 mph SSE | 16% |
| Thursday Night | 51°F | Partly Cloudy | 8 to 12 mph SSE | 12% |
| Friday | 74°F | Partly Sunny | 8 to 20 mph SSE | 9% |
| Friday Night | 53°F | Mostly Cloudy then Slight Chance Rain Showers | 17 mph SSE | 17% |
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.