Harman US

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

WhenTempForecastWindPrecip
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.