Casselton, ND Weather & Growing Conditions
Tonight
36°F
Cloudy then Chance Light Rain
A chance of rain after 1am. Cloudy. Low around 36, with temperatures rising to around 38 overnight. North northwest wind 15 to 18 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 36°F | Cloudy then Chance Light Rain | 15 to 18 mph NNW | 37% |
| Wednesday | 45°F | Chance Light Rain then Cloudy | 21 mph NNW | 38% |
| Wednesday Night | 30°F | Mostly Cloudy | 17 mph N | 1% |
| Thursday | 39°F | Mostly Cloudy | 10 to 21 mph N | 0% |
| Thursday Night | 24°F | Mostly Cloudy | 1 to 8 mph ENE | 0% |
| Friday | 44°F | Mostly Sunny | 1 to 12 mph S | 0% |
| Friday Night | 27°F | Partly Cloudy | 8 mph S | 0% |
| Saturday | 55°F | Mostly Sunny | 8 to 15 mph WSW | 10% |
| Saturday Night | 32°F | Partly Cloudy | 10 mph WNW | 4% |
| Sunday | 54°F | Mostly Sunny | 8 to 12 mph SW | 2% |
| Sunday Night | 35°F | Partly Cloudy | 10 mph SSW | 0% |
| Monday | 57°F | Mostly Sunny | 12 to 23 mph W | 1% |
| Monday Night | 33°F | Mostly Clear | 6 to 12 mph WNW | 0% |
| Tuesday | 51°F | Mostly Sunny | 6 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Casselton, ND
Last spring frost
May 9
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
4a
Explore more for Casselton, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Casselton Agronomy Farm, Nd (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.