Casselton, ND Weather & Growing Conditions
Today
75°F
Sunny
Sunny, with a high near 75. West northwest wind around 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Sunny | 15 mph WNW | 0% |
| Tonight | 50°F | Mostly Clear | 5 to 13 mph SW | 0% |
| Wednesday | 83°F | Sunny | 5 to 16 mph SW | 0% |
| Wednesday Night | 58°F | Partly Cloudy | 10 to 16 mph SW | 6% |
| Thursday | 87°F | Sunny | 12 to 16 mph SW | 6% |
| Thursday Night | 60°F | Mostly Clear | 8 to 15 mph SW | 6% |
| Friday | 87°F | Sunny | 9 to 16 mph WNW | 6% |
| Friday Night | 57°F | Mostly Clear | 5 to 16 mph NE | 7% |
| Saturday | 85°F | Mostly Sunny | 5 to 14 mph NE | 7% |
| Saturday Night | 59°F | Mostly Clear then Slight Chance Rain Showers | 9 to 15 mph NNE | 18% |
| Sunday | 83°F | Slight Chance Rain Showers then Mostly Sunny | 8 to 13 mph NNE | 18% |
| Sunday Night | 59°F | Partly Cloudy then Chance Rain Showers | 10 to 14 mph NNE | 25% |
| Monday | 81°F | Chance Rain Showers | 9 to 15 mph NNE | 25% |
| Monday Night | 58°F | Slight Chance Rain Showers | 8 to 15 mph NNE | 20% |
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 Aug 4, 2026.