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
68°F
Partly Sunny
Partly sunny. High near 68, with temperatures falling to around 66 in the afternoon. Southeast wind around 17 mph.
7-day forecast for Cooperstown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Partly Sunny | 17 mph SE | 2% |
| Tonight | 52°F | Mostly Cloudy then Patchy Fog | 5 to 16 mph E | 3% |
| Saturday | 70°F | Patchy Fog then Mostly Cloudy | 3 to 16 mph NE | 9% |
| Saturday Night | 49°F | Mostly Cloudy | 13 to 17 mph NE | 5% |
| Sunday | 66°F | Mostly Cloudy | 15 mph ENE | 2% |
| Sunday Night | 46°F | Mostly Cloudy | 5 to 12 mph E | 2% |
| Monday | 67°F | Mostly Sunny | 5 to 12 mph ESE | 2% |
| Monday Night | 45°F | Partly Cloudy | 8 mph SE | 0% |
| Tuesday | 68°F | Mostly Sunny | 8 to 18 mph SSE | 0% |
| Tuesday Night | 48°F | Partly Cloudy | 14 to 17 mph SSE | 7% |
| Wednesday | 70°F | Partly Sunny | 15 to 21 mph SSE | 12% |
| Wednesday Night | 51°F | Slight Chance Rain Showers | 12 to 17 mph SSE | 17% |
| Thursday | 73°F | Slight Chance Rain Showers then Mostly Sunny | 10 to 15 mph S | 17% |
| Thursday Night | 52°F | Mostly Clear | 8 to 12 mph SSE | 8% |
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
Climate data from the nearest NOAA station, Cooperstown, Nd (5 mi from Cooperstown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.