Coleharbor, ND Weather & Growing Conditions
Today
66°F
Patchy Fog then Slight Chance Rain Showers
Patchy fog before 1pm, then a slight chance of rain showers. Cloudy, with a high near 66. Northeast wind 3 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Patchy Fog then Slight Chance Rain Showers | 3 to 14 mph NE | 22% |
| Tonight | 48°F | Chance Rain Showers | 14 mph NE | 25% |
| Sunday | 65°F | Slight Chance Rain Showers then Mostly Cloudy | 9 to 13 mph E | 23% |
| Sunday Night | 44°F | Mostly Cloudy | 5 to 9 mph E | 10% |
| Monday | 70°F | Mostly Sunny | 5 to 12 mph SE | 2% |
| Monday Night | 46°F | Mostly Clear | 12 mph SE | 1% |
| Tuesday | 71°F | Mostly Sunny | 12 to 21 mph SE | 2% |
| Tuesday Night | 51°F | Partly Cloudy | 18 mph S | 4% |
| Wednesday | 75°F | Mostly Sunny | 15 to 18 mph SE | 5% |
| Wednesday Night | 52°F | Partly Cloudy | 9 to 14 mph SE | 13% |
| Thursday | 77°F | Mostly Sunny | 8 to 12 mph SE | 11% |
| Thursday Night | 54°F | Partly Cloudy | 10 mph S | 11% |
| Friday | 77°F | Mostly Sunny | 10 to 18 mph SE | 9% |
| Friday Night | 54°F | Partly Cloudy then Slight Chance Rain Showers | 18 mph S | 17% |
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 Sep 19, 2026.