Sibley, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sibley, a city in Steele County, North Dakota.
Today
74°F
Sunny
Sunny. High near 74, with temperatures falling to around 72 in the afternoon. West northwest wind 13 to 17 mph.
7-day forecast for Sibley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Sunny | 13 to 17 mph WNW | 0% |
| Tonight | 50°F | Mostly Clear | 2 to 13 mph WSW | 1% |
| Wednesday | 82°F | Sunny | 5 to 18 mph WSW | 0% |
| Wednesday Night | 56°F | Mostly Cloudy | 9 to 16 mph SW | 6% |
| Thursday | 85°F | Sunny | 9 to 16 mph W | 6% |
| Thursday Night | 58°F | Mostly Clear | 7 to 14 mph WNW | 3% |
| Friday | 84°F | Sunny | 8 to 16 mph NW | 3% |
| Friday Night | 56°F | Mostly Clear | 5 to 14 mph NE | 5% |
| Saturday | 84°F | Mostly Sunny | 5 to 14 mph NE | 8% |
| Saturday Night | 57°F | Mostly Clear then Slight Chance Rain Showers | 7 to 14 mph NE | 15% |
| Sunday | 83°F | Slight Chance Rain Showers then Mostly Sunny | 7 to 14 mph NNE | 15% |
| Sunday Night | 57°F | Partly Cloudy then Chance Showers And Thunderstorms | 9 to 14 mph NE | 28% |
| Monday | 80°F | Chance Showers And Thunderstorms | 9 to 15 mph NE | 28% |
| Monday Night | 57°F | Slight Chance Rain Showers | 6 to 15 mph NE | 19% |
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 Aug 4, 2026.