Marion, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marion, a city in Lamoure County, North Dakota.
Overnight
48°F
Patchy Smoke
Patchy smoke before 4am. Mostly clear, with a low around 48. Northwest wind around 10 mph.
7-day forecast for Marion
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 48°F | Patchy Smoke | 10 mph NW | 0% |
| Tuesday | 73°F | Sunny | 13 to 16 mph NW | 0% |
| Tuesday Night | 50°F | Mostly Clear | 3 to 13 mph SW | 1% |
| Wednesday | 80°F | Sunny | 5 to 14 mph SW | 1% |
| Wednesday Night | 56°F | Partly Cloudy | 8 to 12 mph SW | 1% |
| Thursday | 84°F | Sunny | 8 to 14 mph SW | 1% |
| Thursday Night | 58°F | Mostly Clear | 7 to 12 mph E | 3% |
| Friday | 84°F | Sunny | 8 to 15 mph NW | 3% |
| Friday Night | 57°F | Mostly Clear | 6 to 14 mph E | 4% |
| Saturday | 83°F | Mostly Sunny | 6 to 15 mph NE | 8% |
| Saturday Night | 58°F | Mostly Clear | 9 to 14 mph NE | 13% |
| Sunday | 81°F | Mostly Sunny | 8 to 13 mph NE | 13% |
| Sunday Night | 59°F | Partly Cloudy then Chance Showers And Thunderstorms | 13 mph NE | 29% |
| Monday | 79°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 29% |
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 Aug 4, 2026.