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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
51°F
Sunny
Sunny. High near 51, with temperatures falling to around 41 in the afternoon. Northwest wind 7 to 15 mph, with gusts as high as 24 mph.

7-day forecast for Marmarth

WhenTempForecastWindPrecip
This Afternoon 51°F Sunny 7 to 15 mph NW 0%
Tonight 23°F Partly Cloudy 0 to 3 mph W 0%
Wednesday 53°F Partly Sunny 2 to 12 mph NW 0%
Wednesday Night 25°F Mostly Cloudy 1 to 6 mph W 0%
Thursday 55°F Mostly Sunny 0 to 7 mph S 0%
Thursday Night 28°F Partly Cloudy 3 to 7 mph SW 0%
Friday 54°F Sunny 3 to 14 mph W 0%
Friday Night 32°F Partly Cloudy 6 to 10 mph SW 4%
Saturday 57°F Sunny 10 to 25 mph W 4%
Saturday Night 29°F Mostly Clear 3 to 8 mph SW 0%
Sunday 65°F Sunny 5 to 14 mph SW 0%
Sunday Night 37°F Partly Cloudy 9 mph W 0%
Monday 58°F Sunny 7 to 15 mph NW 0%
Monday Night 32°F Partly Cloudy 5 mph SW 1%

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

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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 Nov 4, 2026.