Hamilton, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hamilton, a city in Pembina County, North Dakota.
Tonight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. South wind 2 to 7 mph.
7-day forecast for Hamilton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Mostly Cloudy | 2 to 7 mph S | 14% |
| Saturday | 69°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 14 mph NW | 24% |
| Saturday Night | 46°F | Mostly Cloudy | 6 to 14 mph NNE | 0% |
| Sunday | 67°F | Mostly Cloudy | 7 mph NE | 0% |
| Sunday Night | 43°F | Mostly Cloudy | 1 to 6 mph E | 0% |
| Monday | 69°F | Sunny | 2 to 8 mph SE | 0% |
| Monday Night | 43°F | Mostly Clear | 7 mph SSE | 0% |
| Tuesday | 69°F | Sunny | 7 to 17 mph SSE | 0% |
| Tuesday Night | 47°F | Partly Cloudy | 13 mph SSE | 1% |
| Wednesday | 70°F | Partly Sunny | 14 to 18 mph SSE | 6% |
| Wednesday Night | 52°F | Mostly Cloudy | 14 mph SSE | 13% |
| Thursday | 73°F | Mostly Sunny | 13 mph S | 13% |
| Thursday Night | 52°F | Partly Cloudy | 9 mph SSE | 10% |
| Friday | 74°F | Mostly Sunny | 8 to 15 mph SSE | 9% |
Forecast source: National Weather Service (api.weather.gov) for Hamilton (48.808, -97.452). Updated through the day.
Growing snapshot for Hamilton
Last spring frost
May 12
First fall frost
Sep 30
Growing season
139 days
Hardiness zone
4a
More local growing data for Hamilton: nearby ZIP 58238 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cavalier 7Nw, Nd (15 mi from Hamilton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.