Marmarth, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marmarth, a city in Bowman County, North Dakota.
This Afternoon
78°F
Sunny
Sunny, with a high near 78. Southeast wind around 7 mph.
7-day forecast for Marmarth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 7 mph SE | 1% |
| Tonight | 54°F | Mostly Cloudy then Patchy Fog | 2 to 10 mph SE | 31% |
| Saturday | 64°F | Rain Showers | 3 to 17 mph E | 75% |
| Saturday Night | 50°F | Rain Showers | 13 to 16 mph E | 87% |
| Sunday | 61°F | Rain Showers | 14 to 18 mph E | 88% |
| Sunday Night | 47°F | Chance Rain Showers then Cloudy | 7 to 16 mph SE | 32% |
| Monday | 66°F | Mostly Cloudy | 7 to 18 mph SE | 6% |
| Monday Night | 48°F | Mostly Cloudy | 14 to 20 mph SE | 0% |
| Tuesday | 74°F | Mostly Sunny | 14 to 21 mph SE | 1% |
| Tuesday Night | 51°F | Partly Cloudy | 7 to 21 mph SE | 5% |
| Wednesday | 79°F | Mostly Sunny | 7 to 10 mph SE | 11% |
| Wednesday Night | 52°F | Mostly Clear | 3 to 8 mph SE | 13% |
| Thursday | 81°F | Sunny | 3 to 12 mph SE | 3% |
| Thursday Night | 53°F | Partly Cloudy | 12 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Marmarth (46.301, -103.935). Updated through the day.
Growing snapshot for Marmarth
Last spring frost
May 16
First fall frost
Sep 26
Growing season
132 days
Hardiness zone
4a
More local growing data for Marmarth: nearby ZIP 58643 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Baker Muni Ap, Mt (17 mi from Marmarth). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.