Harman US

Cooperstown, ND Weather & Growing Conditions

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

This Afternoon
47°F
Mostly Cloudy
Mostly cloudy. High near 47, with temperatures falling to around 43 in the afternoon. North wind around 21 mph, with gusts as high as 31 mph.

7-day forecast for Cooperstown

WhenTempForecastWindPrecip
This Afternoon 47°F Mostly Cloudy 21 mph N 11%
Tonight 33°F Mostly Cloudy 12 to 17 mph NNW 11%
Wednesday 47°F Mostly Cloudy 21 mph N 1%
Wednesday Night 30°F Mostly Cloudy 14 to 17 mph N 0%
Thursday 39°F Partly Sunny 8 to 16 mph NNE 0%
Thursday Night 24°F Mostly Cloudy 2 to 6 mph SE 1%
Friday 45°F Mostly Sunny 5 to 13 mph SSW 0%
Friday Night 29°F Partly Cloudy 9 mph SSW 0%
Saturday 53°F Mostly Sunny 9 to 18 mph W 8%
Saturday Night 33°F Partly Cloudy 8 to 13 mph WNW 4%
Sunday 53°F Mostly Sunny 8 to 12 mph SW 1%
Sunday Night 37°F Partly Cloudy 10 to 14 mph SW 0%
Monday 55°F Mostly Sunny 15 to 25 mph W 1%
Monday Night 33°F Partly Cloudy 7 to 14 mph WNW 0%

Forecast source: National Weather Service (api.weather.gov) for Cooperstown (47.445, -98.126). Updated through the day.

Growing snapshot for Cooperstown

Last spring frost
May 17
First fall frost
Sep 23
Growing season
128 days
Hardiness zone
4a

More local growing data for Cooperstown: nearby ZIP 58425 weather · frost dates · planting calendar · North Dakota frost dates

Nearby towns & communities

All North Dakota locations ›

Climate data from the nearest NOAA station, Cooperstown, Nd (5 mi from Cooperstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.