Marmarth, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Marmarth, a city in Bowman County, North Dakota.
Overnight
42°F
Mostly Clear
Mostly clear, with a low around 42. West wind around 8 mph.
7-day forecast for Marmarth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Mostly Clear | 8 mph W | 0% |
| Tuesday | 73°F | Sunny | 8 to 15 mph W | 0% |
| Tuesday Night | 46°F | Mostly Clear | 1 to 13 mph W | 0% |
| Wednesday | 82°F | Mostly Sunny | 3 to 12 mph SW | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 2 to 12 mph SW | 1% |
| Thursday | 89°F | Sunny | 2 to 8 mph W | 0% |
| Thursday Night | 57°F | Mostly Clear | 3 to 8 mph E | 0% |
| Friday | 91°F | Sunny | 5 to 12 mph SE | 0% |
| Friday Night | 59°F | Mostly Clear | 6 to 10 mph NE | 2% |
| Saturday | 94°F | Sunny | 6 to 15 mph N | 0% |
| Saturday Night | 59°F | Mostly Clear | 7 to 15 mph NE | 3% |
| Sunday | 92°F | Mostly Sunny | 7 to 20 mph E | 9% |
| Sunday Night | 60°F | Partly Cloudy then Slight Chance Rain Showers | 10 to 20 mph E | 24% |
| Monday | 88°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 to 18 mph E | 23% |
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 Aug 4, 2026.