Calvin, ND Weather & Growing Conditions
Tonight
27°F
Mostly Cloudy then Patchy Fog
Patchy fog between midnight and 5am. Mostly cloudy. Low around 27, with temperatures rising to around 29 overnight. North wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 27°F | Mostly Cloudy then Patchy Fog | 8 mph N | 0% |
| Wednesday | 48°F | Mostly Sunny | 9 to 15 mph N | 0% |
| Wednesday Night | 27°F | Mostly Cloudy | 14 mph N | 1% |
| Thursday | 39°F | Partly Sunny | 5 to 14 mph NE | 1% |
| Thursday Night | 21°F | Partly Cloudy | 5 to 10 mph SSE | 0% |
| Friday | 46°F | Mostly Sunny | 10 to 14 mph SSW | 0% |
| Friday Night | 29°F | Partly Cloudy | 10 mph SW | 0% |
| Saturday | 52°F | Mostly Sunny | 10 to 20 mph WSW | 9% |
| Saturday Night | 30°F | Partly Cloudy | 8 to 13 mph W | 6% |
| Sunday | 52°F | Mostly Sunny | 8 to 12 mph SW | 1% |
| Sunday Night | 35°F | Mostly Cloudy | 12 to 16 mph SW | 1% |
| Monday | 53°F | Mostly Sunny | 17 to 25 mph W | 0% |
| Monday Night | 29°F | Partly Cloudy | 7 to 14 mph W | 0% |
| Tuesday | 49°F | Mostly Sunny | 7 to 13 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Calvin, ND
Last spring frost
May 18
First fall frost
Sep 23
Growing season
127 days
Hardiness zone
3b
Explore more for Calvin, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Hansboro 4 Nne, Nd (22.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.