Marmarth, ND Weather & Growing Conditions
Tonight
55°F
Mostly Cloudy then Patchy Fog
Patchy fog between midnight and 3am, then patchy fog and a slight chance of thunderstorms and a slight chance of drizzle between 3am and 4am, then a chance of thunderstorms and a chance of drizzle and patchy fog. Mostly cloudy. Low around 55, with temperatures rising to around 57 overnight. Southeast wind 3 to 7 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Mostly Cloudy then Patchy Fog | 3 to 7 mph SE | 35% |
| Saturday | 64°F | Rain Showers Likely | 5 to 16 mph E | 72% |
| Saturday Night | 51°F | Rain Showers | 16 mph E | 87% |
| Sunday | 60°F | Rain Showers | 16 to 20 mph E | 89% |
| Sunday Night | 48°F | Chance Rain Showers then Cloudy | 9 to 17 mph SE | 35% |
| Monday | 66°F | Mostly Cloudy | 9 to 20 mph SE | 6% |
| Monday Night | 48°F | Mostly Cloudy | 16 to 21 mph SE | 0% |
| Tuesday | 74°F | Mostly Sunny | 16 to 21 mph SE | 1% |
| Tuesday Night | 51°F | Partly Cloudy | 8 to 21 mph SE | 5% |
| Wednesday | 79°F | Mostly Sunny | 10 mph SE | 12% |
| Wednesday Night | 52°F | Mostly Clear | 5 to 9 mph SE | 13% |
| Thursday | 81°F | Sunny | 5 to 12 mph SE | 3% |
| Thursday Night | 53°F | Partly Cloudy | 13 mph SE | 7% |
| Friday | 80°F | Mostly Sunny | 10 to 20 mph SE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marmarth, ND
Last spring frost
May 16
First fall frost
Sep 26
Growing season
132 days
Hardiness zone
4a
Explore more for Marmarth, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Baker Muni Ap, Mt (17 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.