Harman US

Arthur, ND Weather & Growing Conditions

Overnight
52°F
Patchy Fog
Patchy fog. Cloudy. Low around 52, with temperatures rising to around 59 overnight. East northeast wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 52°F Patchy Fog 6 mph ENE 3%
Saturday 72°F Patchy Fog then Mostly Cloudy 6 to 15 mph NNE 4%
Saturday Night 49°F Slight Chance Rain Showers then Mostly Cloudy 12 to 16 mph NNE 16%
Sunday 68°F Partly Sunny 14 mph NE 0%
Sunday Night 43°F Mostly Cloudy 5 to 12 mph E 0%
Monday 70°F Mostly Sunny 5 to 9 mph ESE 0%
Monday Night 40°F Mostly Clear 8 mph SE 1%
Tuesday 70°F Sunny 7 to 21 mph SSE 1%
Tuesday Night 45°F Mostly Clear 16 mph SSE 0%
Wednesday 71°F Mostly Sunny 16 to 23 mph SSE 5%
Wednesday Night 49°F Slight Chance Rain Showers 12 to 18 mph SSE 17%
Thursday 73°F Slight Chance Rain Showers then Partly Sunny 12 to 17 mph SSE 17%
Thursday Night 52°F Partly Cloudy 10 to 14 mph SSE 10%
Friday 76°F Mostly Sunny 10 to 21 mph SSE 10%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Arthur, ND

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

Explore more for Arthur, ND: full frost dates · planting calendar · North Dakota frost dates

Climate data from the nearest NOAA station, Casselton Agronomy Farm, Nd (15.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.