Coleharbor, ND Weather & Growing Conditions
This Afternoon
68°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy. High near 68, with temperatures falling to around 64 in the afternoon. Northeast wind around 13 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Slight Chance Rain Showers | 13 mph NE | 15% |
| Tonight | 51°F | Slight Chance Rain Showers then Cloudy | 14 mph NE | 16% |
| Sunday | 65°F | Slight Chance Rain Showers then Cloudy | 9 to 13 mph E | 17% |
| Sunday Night | 47°F | Mostly Cloudy | 5 to 9 mph E | 9% |
| Monday | 70°F | Mostly Sunny | 3 to 10 mph SE | 1% |
| Monday Night | 45°F | Mostly Clear | 10 mph SE | 1% |
| Tuesday | 70°F | Sunny | 10 to 21 mph SE | 1% |
| Tuesday Night | 50°F | Partly Cloudy | 18 mph SE | 4% |
| Wednesday | 73°F | Partly Sunny then Slight Chance Rain Showers | 20 mph SE | 17% |
| Wednesday Night | 52°F | Chance Rain Showers | 9 to 16 mph SE | 37% |
| Thursday | 77°F | Slight Chance Rain Showers then Partly Sunny | 9 mph S | 21% |
| Thursday Night | 53°F | Mostly Clear | 8 mph S | 4% |
| Friday | 78°F | Mostly Sunny | 8 to 20 mph SE | 4% |
| Friday Night | 56°F | Partly Cloudy then Slight Chance Rain Showers | 18 mph SE | 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 20, 2026.