Harman US

Hannah, ND Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Hannah, a city in Cavalier County, North Dakota.

Tonight
27°F
Areas Of Fog
Areas of fog after 8pm. Mostly cloudy. Low around 27, with temperatures rising to around 30 overnight. North wind around 8 mph.

7-day forecast for Hannah

WhenTempForecastWindPrecip
Tonight 27°F Areas Of Fog 8 mph N 0%
Wednesday 48°F Patchy Fog then Partly Sunny 7 to 14 mph N 0%
Wednesday Night 27°F Mostly Cloudy 13 mph N 1%
Thursday 38°F Partly Sunny 5 to 13 mph NE 2%
Thursday Night 21°F Partly Cloudy 5 to 8 mph SSE 0%
Friday 46°F Mostly Sunny 9 to 13 mph SSW 0%
Friday Night 29°F Partly Cloudy 10 mph SW 0%
Saturday 52°F Mostly Sunny 10 to 20 mph WSW 11%
Saturday Night 30°F Partly Cloudy 8 to 13 mph W 6%
Sunday 52°F Mostly Sunny 8 to 12 mph SW 1%
Sunday Night 35°F Mostly Cloudy 10 to 15 mph SW 1%
Monday 53°F Mostly Sunny 16 to 25 mph W 0%
Monday Night 30°F Partly Cloudy 7 to 14 mph W 0%
Tuesday 49°F Mostly Sunny 7 to 13 mph W 0%

Forecast source: National Weather Service (api.weather.gov) for Hannah (48.973, -98.690). Updated through the day.

Growing snapshot for Hannah

Last spring frost
May 17
First fall frost
Sep 26
Growing season
132 days
Hardiness zone
3b

More local growing data for Hannah: nearby ZIP 58239 weather · frost dates · planting calendar · North Dakota frost dates

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Climate data from the nearest NOAA station, Langdon Exp Farm, Nd (18.9 mi from Hannah). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.