Harman US

Casselton, ND Weather & Growing Conditions

This Afternoon
48°F
Patchy Drizzle
Patchy drizzle. Cloudy, with a high near 48. North wind 22 to 26 mph, with gusts as high as 38 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 48°F Patchy Drizzle 22 to 26 mph N 11%
Tonight 36°F Chance Light Rain 17 to 22 mph N 51%
Wednesday 46°F Chance Light Rain 25 mph N 47%
Wednesday Night 31°F Mostly Cloudy 16 to 23 mph N 1%
Thursday 40°F Mostly Cloudy 10 to 20 mph N 0%
Thursday Night 25°F Mostly Cloudy 1 to 8 mph ENE 0%
Friday 44°F Mostly Sunny 1 to 10 mph S 0%
Friday Night 27°F Partly Cloudy 7 mph SSW 0%
Saturday 55°F Mostly Sunny 8 to 15 mph WSW 9%
Saturday Night 32°F Partly Cloudy 10 mph WNW 4%
Sunday 55°F Mostly Sunny 10 mph SW 2%
Sunday Night 35°F Partly Cloudy 10 mph SSW 0%
Monday 57°F Mostly Sunny 10 to 23 mph W 1%
Monday Night 33°F Mostly Clear 6 to 12 mph WNW 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 (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.