Thompson, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Thompson, a city in Grand Forks County, North Dakota.
Overnight
35°F
Patchy Fog
Patchy fog. Cloudy. Low around 35, with temperatures rising to around 37 overnight. North northwest wind 13 to 16 mph.
7-day forecast for Thompson
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 35°F | Patchy Fog | 13 to 16 mph NNW | 7% |
| Wednesday | 46°F | Patchy Fog then Mostly Cloudy | 18 mph NNW | 7% |
| Wednesday Night | 28°F | Mostly Cloudy | 17 mph NNW | 0% |
| Thursday | 40°F | Mostly Cloudy | 8 to 17 mph N | 0% |
| Thursday Night | 23°F | Partly Cloudy | 1 to 6 mph ESE | 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 15 mph SW | 8% |
| Saturday Night | 33°F | Partly Cloudy | 7 to 12 mph W | 7% |
| Sunday | 54°F | Mostly Sunny | 7 to 12 mph SW | 1% |
| Sunday Night | 35°F | Partly Cloudy | 12 mph SSW | 1% |
| Monday | 56°F | Mostly Sunny | 12 to 22 mph W | 1% |
| Monday Night | 32°F | Mostly Clear | 6 to 13 mph W | 0% |
| Tuesday | 51°F | Mostly Sunny | 6 to 12 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Thompson (47.775, -97.104). Updated through the day.
Growing snapshot for Thompson
Last spring frost
May 10
First fall frost
Oct 1
Growing season
144 days
Hardiness zone
4a
More local growing data for Thompson: nearby ZIP 58278 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Grand Forks Univ (Nws), Nd (9.8 mi from Thompson). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.