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Casselton, ND Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Casselton, a city in Cass County, North Dakota.

This Afternoon
72°F
Mostly Cloudy
Mostly cloudy. High near 72, with temperatures falling to around 65 in the afternoon. Northeast wind around 13 mph.

7-day forecast for Casselton

WhenTempForecastWindPrecip
This Afternoon 72°F Mostly Cloudy 13 mph NE 0%
Tonight 51°F Isolated Rain Showers then Mostly Cloudy 14 mph NNE 16%
Sunday 69°F Mostly Cloudy 14 mph NE 0%
Sunday Night 49°F Mostly Cloudy 5 to 10 mph ENE 0%
Monday 67°F Mostly Sunny 3 to 8 mph ESE 0%
Monday Night 41°F Mostly Clear 7 mph SE 0%
Tuesday 68°F Sunny 5 to 17 mph SE 0%
Tuesday Night 44°F Mostly Clear 14 mph SSE 0%
Wednesday 70°F Mostly Sunny 14 to 24 mph SSE 5%
Wednesday Night 51°F Chance Rain Showers 15 to 20 mph SSE 45%
Thursday 72°F Chance Rain Showers 14 to 17 mph SSE 45%
Thursday Night 52°F Slight Chance Rain Showers then Mostly Cloudy 7 to 12 mph SSE 15%
Friday 75°F Partly Sunny 7 to 17 mph SSE 6%
Friday Night 57°F Partly Cloudy then Slight Chance Rain Showers 15 to 18 mph SSE 18%

Forecast source: National Weather Service (api.weather.gov) for Casselton (46.896, -97.213). Updated through the day.

Growing snapshot for Casselton

Last spring frost
May 9
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
4a

More local growing data for Casselton: nearby ZIP 58012 weather · frost dates · planting calendar · North Dakota frost dates

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Climate data from the nearest NOAA station, Casselton Agronomy Farm, Nd (5.4 mi from Casselton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.