Grand Forks AFB, ND Weather & Growing Conditions
Today
71°F
Patchy Fog then Mostly Cloudy
Patchy fog before 10am. Mostly cloudy. High near 71, with temperatures falling to around 67 in the afternoon. North northeast wind 0 to 16 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Fog then Mostly Cloudy | 0 to 16 mph NNE | 5% |
| Tonight | 45°F | Mostly Cloudy | 9 to 16 mph N | 1% |
| Sunday | 66°F | Mostly Cloudy | 10 mph NE | 0% |
| Sunday Night | 38°F | Mostly Cloudy | 0 to 9 mph ENE | 0% |
| Monday | 70°F | Sunny | 0 to 8 mph SE | 0% |
| Monday Night | 39°F | Mostly Clear | 8 mph SSE | 1% |
| Tuesday | 70°F | Sunny | 8 to 17 mph SSE | 1% |
| Tuesday Night | 43°F | Mostly Clear | 15 mph SSE | 1% |
| Wednesday | 72°F | Mostly Sunny | 15 to 20 mph SSE | 7% |
| Wednesday Night | 48°F | Slight Chance Rain Showers | 12 to 16 mph SSE | 15% |
| Thursday | 74°F | Mostly Sunny | 10 to 15 mph SSE | 13% |
| Thursday Night | 50°F | Partly Cloudy | 12 mph SSE | 12% |
| Friday | 76°F | Mostly Sunny | 10 to 20 mph S | 8% |
| Friday Night | 53°F | Partly Cloudy then Slight Chance Rain Showers | 17 mph SSE | 15% |
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 (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.