Marion, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a city in Lamoure County, North Dakota.
Tonight
36°F
Patchy Fog
Patchy fog before midnight, then patchy fog and a slight chance of rain showers between midnight and 3am, then patchy fog and a slight chance of drizzle. Cloudy. Low around 36, with temperatures rising to around 38 overnight. North wind around 18 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 36°F | Patchy Fog | 18 mph N | 21% |
| Wednesday | 45°F | Chance Drizzle then Mostly Cloudy | 16 to 20 mph N | 26% |
| Wednesday Night | 30°F | Mostly Cloudy | 13 to 16 mph N | 0% |
| Thursday | 39°F | Partly Sunny | 7 to 15 mph N | 1% |
| Thursday Night | 25°F | Mostly Cloudy | 5 mph SE | 0% |
| Friday | 43°F | Mostly Sunny | 2 to 9 mph S | 0% |
| Friday Night | 28°F | Partly Cloudy | 8 mph SW | 0% |
| Saturday | 54°F | Mostly Sunny | 8 to 14 mph W | 6% |
| Saturday Night | 32°F | Mostly Clear | 9 mph W | 2% |
| Sunday | 55°F | Mostly Sunny | 7 to 10 mph SW | 2% |
| Sunday Night | 36°F | Partly Cloudy | 8 to 12 mph SW | 0% |
| Monday | 56°F | Mostly Sunny | 12 to 18 mph W | 0% |
| Monday Night | 33°F | Mostly Clear | 6 to 9 mph W | 0% |
| Tuesday | 51°F | Mostly Sunny | 6 to 9 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Marion (46.611, -98.339). Updated through the day.
Growing snapshot for Marion
Last spring frost
May 10
First fall frost
Sep 28
Growing season
140 days
Hardiness zone
4b
More local growing data for Marion: nearby ZIP 58466 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, La Moure, Nd (17.4 mi from Marion). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.