Grand Forks AFB, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grand Forks AFB, a community in Grand Forks County, North Dakota.
Overnight
33°F
Patchy Fog
Patchy fog before 5am, then patchy fog and a slight chance of rain. Cloudy. Low around 33, with temperatures rising to around 38 overnight. North wind around 14 mph. Chance of precipitation is 20%.
7-day forecast for Grand Forks AFB
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 33°F | Patchy Fog | 14 mph N | 18% |
| Wednesday | 46°F | Patchy Fog then Mostly Cloudy | 14 to 17 mph N | 7% |
| Wednesday Night | 27°F | Mostly Cloudy | 17 mph N | 0% |
| Thursday | 39°F | Mostly Cloudy | 8 to 16 mph N | 0% |
| Thursday Night | 17°F | Partly Cloudy | 0 to 6 mph E | 0% |
| Friday | 44°F | Mostly Sunny | 3 to 14 mph S | 0% |
| Friday Night | 25°F | Partly Cloudy | 10 mph S | 0% |
| Saturday | 55°F | Mostly Sunny | 9 to 16 mph SW | 3% |
| Saturday Night | 31°F | Partly Cloudy | 7 to 14 mph W | 0% |
| Sunday | 55°F | Sunny | 9 mph SW | 0% |
| Sunday Night | 34°F | Partly Cloudy | 10 mph SW | 0% |
| Monday | 59°F | Mostly Sunny | 10 to 20 mph WNW | 1% |
| Monday Night | 30°F | Mostly Clear | 6 to 12 mph WNW | 0% |
| Tuesday | 52°F | Mostly Sunny | 8 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Grand Forks AFB (47.956, -97.391). Updated through the day.
Growing snapshot for Grand Forks AFB
Last spring frost
May 16
First fall frost
Sep 27
Growing season
133 days
Hardiness zone
4a
More local growing data for Grand Forks AFB: nearby ZIP 58205 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grand Forks Intl Ap, Nd (9.8 mi from Grand Forks AFB). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.