Grand Forks, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Grand Forks, a city in Grand Forks County, North Dakota.
Tonight
35°F
Patchy Fog
Patchy fog. Cloudy. Low around 35, with temperatures rising to around 38 overnight. North northwest wind around 15 mph.
7-day forecast for Grand Forks
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Patchy Fog | 15 mph NNW | 6% |
| Wednesday | 47°F | Patchy Fog then Mostly Cloudy | 17 mph NNW | 5% |
| Wednesday Night | 29°F | Mostly Cloudy | 16 mph NNW | 0% |
| Thursday | 40°F | Mostly Cloudy | 8 to 16 mph N | 0% |
| Thursday Night | 23°F | Partly Cloudy | 1 to 6 mph E | 0% |
| Friday | 44°F | Mostly Sunny | 2 to 13 mph S | 0% |
| Friday Night | 28°F | Partly Cloudy | 9 mph S | 0% |
| Saturday | 54°F | Mostly Sunny | 9 to 14 mph SW | 9% |
| Saturday Night | 33°F | Partly Cloudy | 7 to 10 mph W | 8% |
| Sunday | 53°F | Mostly Sunny | 7 to 10 mph SW | 1% |
| Sunday Night | 35°F | Partly Cloudy | 10 mph SSW | 0% |
| Monday | 56°F | Mostly Sunny | 12 to 21 mph W | 1% |
| Monday Night | 32°F | Mostly Clear | 6 to 12 mph W | 0% |
| Tuesday | 50°F | Mostly Sunny | 6 to 9 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Grand Forks (47.920, -97.087). Updated through the day.
Growing snapshot for Grand Forks
Last spring frost
May 10
First fall frost
Oct 1
Growing season
144 days
More local growing data for Grand Forks: nearby ZIP 58202 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grand Forks Univ (Nws), Nd (1 mi from Grand Forks). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.