Coleharbor, ND Weather & Growing Conditions
Today
72°F
Sunny
Sunny. High near 72, with temperatures falling to around 70 in the afternoon. West wind 8 to 17 mph, with gusts as high as 28 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Sunny | 8 to 17 mph W | 0% |
| Tonight | 48°F | Mostly Clear | 2 to 14 mph SW | 0% |
| Wednesday | 81°F | Mostly Sunny | 7 to 17 mph SW | 0% |
| Wednesday Night | 53°F | Mostly Clear | 5 to 15 mph SW | 6% |
| Thursday | 85°F | Sunny | 5 to 14 mph W | 1% |
| Thursday Night | 56°F | Mostly Clear | 5 to 13 mph E | 1% |
| Friday | 83°F | Sunny | 7 to 12 mph N | 0% |
| Friday Night | 55°F | Mostly Clear | 8 mph NE | 2% |
| Saturday | 86°F | Mostly Sunny | 7 to 10 mph NE | 2% |
| Saturday Night | 56°F | Mostly Clear | 9 to 13 mph NE | 6% |
| Sunday | 81°F | Mostly Sunny | 8 to 13 mph E | 11% |
| Sunday Night | 56°F | Slight Chance Showers And Thunderstorms | 13 mph NE | 32% |
| Monday | 79°F | Chance Showers And Thunderstorms | 13 mph NE | 32% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 29% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Coleharbor, ND
Last spring frost
May 12
First fall frost
Oct 3
Growing season
143 days
Hardiness zone
4a
Explore more for Coleharbor, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Riverdale, Nd (9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.