Harman US

Grand Forks AFB, ND Weather & Growing Conditions

Today
46°F
Patchy Fog then Mostly Cloudy
Patchy fog before 9am. Mostly cloudy. High near 46, with temperatures falling to around 44 in the afternoon. North wind around 17 mph, with gusts as high as 29 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 46°F Patchy Fog then Mostly Cloudy 17 mph N 2%
Tonight 30°F Mostly Cloudy 17 mph N 0%
Thursday 39°F Mostly Cloudy 7 to 17 mph N 0%
Thursday Night 18°F Partly Cloudy 1 to 5 mph E 0%
Friday 44°F Mostly Sunny 3 to 13 mph S 0%
Friday Night 26°F Partly Cloudy 7 to 10 mph SSW 0%
Saturday 54°F Mostly Sunny 8 to 16 mph SW 2%
Saturday Night 32°F Partly Cloudy 8 to 15 mph W 0%
Sunday 54°F Sunny 9 mph SW 0%
Sunday Night 35°F Partly Cloudy 10 mph SW 0%
Monday 57°F Mostly Sunny 12 to 22 mph W 1%
Monday Night 31°F Mostly Clear 7 to 12 mph WNW 0%
Tuesday 51°F Mostly Sunny 8 mph WSW 1%
Tuesday Night 30°F Partly Cloudy 6 mph SSW 1%

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

Growing snapshot for Grand Forks AFB, ND

Last spring frost
May 11
First fall frost
Sep 28
Growing season
139 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, Larimore 4Sw, Nd (10.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.