Casselton, ND Weather & Growing Conditions
Tonight
53°F
Mostly Cloudy then Patchy Fog
Patchy fog after 1am. Mostly cloudy, with a low around 53. East northeast wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Mostly Cloudy then Patchy Fog | 8 mph ENE | 3% |
| Saturday | 72°F | Patchy Fog then Partly Sunny | 7 to 14 mph NE | 2% |
| Saturday Night | 52°F | Mostly Cloudy | 10 to 14 mph NNE | 0% |
| Sunday | 69°F | Mostly Cloudy | 13 mph NE | 0% |
| Sunday Night | 46°F | Mostly Cloudy | 5 to 9 mph E | 1% |
| Monday | 68°F | Mostly Sunny | 5 to 9 mph ESE | 1% |
| Monday Night | 43°F | Partly Cloudy | 8 mph SE | 0% |
| Tuesday | 70°F | Mostly Sunny | 7 to 18 mph SE | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 15 mph SSE | 4% |
| Wednesday | 71°F | Mostly Sunny | 14 to 21 mph SSE | 10% |
| Wednesday Night | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 12 to 17 mph SSE | 17% |
| Thursday | 75°F | Slight Chance Rain Showers then Mostly Sunny | 10 to 14 mph SSE | 17% |
| Thursday Night | 52°F | Partly Cloudy | 8 to 12 mph SSE | 8% |
| Friday | 76°F | Mostly Sunny | 8 to 17 mph SSE | 8% |
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 (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.