Arthur, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Arthur, a city in Cass County, North Dakota.
Tonight
52°F
Mostly Cloudy then Patchy Fog
Patchy fog after 1am. Mostly cloudy, with a low around 52. East wind 6 to 14 mph.
7-day forecast for Arthur
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Cloudy then Patchy Fog | 6 to 14 mph E | 3% |
| Saturday | 72°F | Patchy Fog then Mostly Cloudy | 6 to 15 mph NE | 5% |
| Saturday Night | 50°F | Mostly Cloudy | 10 to 16 mph NNE | 0% |
| Sunday | 69°F | Mostly Cloudy | 14 mph NE | 0% |
| Sunday Night | 45°F | Mostly Cloudy | 5 to 12 mph E | 0% |
| Monday | 68°F | Mostly Sunny | 5 to 10 mph ESE | 0% |
| Monday Night | 42°F | Mostly Clear | 8 mph SE | 0% |
| Tuesday | 70°F | Mostly Sunny | 7 to 20 mph SSE | 0% |
| Tuesday Night | 46°F | Partly Cloudy | 13 to 16 mph SSE | 3% |
| Wednesday | 71°F | Mostly Sunny | 13 to 21 mph SSE | 8% |
| Wednesday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 12 to 18 mph SSE | 16% |
| Thursday | 74°F | Slight Chance Rain Showers then Mostly Sunny | 12 to 15 mph S | 16% |
| Thursday Night | 52°F | Mostly Clear | 8 to 12 mph SSE | 8% |
| Friday | 76°F | Mostly Sunny | 8 to 18 mph SSE | 8% |
Forecast source: National Weather Service (api.weather.gov) for Arthur (47.104, -97.218). Updated through the day.
Growing snapshot for Arthur
Last spring frost
May 9
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
4a
More local growing data for Arthur: nearby ZIP 58006 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Alice
Amenia
Argusville
Ayr
Briarwood
Brooktree Park
Buffalo
Casselton
Davenport
Embden
Erie
Fargo
Fingal
Frontier
Gardner
Harwood
Horace
Hunter
Kindred
Leonard
Mapleton
North River
Page
Prairie Rose
Reile's Acres
Tower City
West Fargo
Wheatland
Climate data from the nearest NOAA station, Casselton Agronomy Farm, Nd (15.3 mi from Arthur). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.