Harman US

Grand Forks AFB, ND Weather & Growing Conditions

Overnight
52°F
Patchy Fog
Patchy fog. Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. East southeast wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 52°F Patchy Fog 5 mph ESE 1%
Saturday 69°F Patchy Fog then Mostly Cloudy 1 to 15 mph NE 5%
Saturday Night 46°F Mostly Cloudy 8 to 15 mph N 1%
Sunday 66°F Mostly Cloudy 10 mph NE 0%
Sunday Night 42°F Mostly Cloudy 2 to 8 mph E 0%
Monday 68°F Sunny 2 to 8 mph SE 0%
Monday Night 41°F Mostly Clear 7 mph SSE 1%
Tuesday 69°F Sunny 7 to 17 mph SSE 1%
Tuesday Night 46°F Mostly Clear 15 mph SSE 1%
Wednesday 70°F Mostly Sunny 15 to 20 mph SSE 7%
Wednesday Night 50°F Partly Cloudy 12 to 16 mph SSE 14%
Thursday 72°F Partly Sunny 10 to 15 mph SSE 13%
Thursday Night 52°F Partly Cloudy 12 mph SSE 12%
Friday 75°F Mostly Sunny 10 to 18 mph S 8%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Grand Forks AFB, ND

Last spring frost
May 16
First fall frost
Sep 27
Growing season
133 days
Hardiness zone
4a

Explore more for Grand Forks AFB, ND: full frost dates · planting calendar · North Dakota frost dates

Climate data from the nearest NOAA station, Grand Forks Intl Ap, Nd (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.