Hamilton, ND Weather & Growing Conditions
Tonight
46°F
Mostly Cloudy
Mostly cloudy, with a low around 46. North northeast wind 7 to 14 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 46°F | Mostly Cloudy | 7 to 14 mph NNE | 0% |
| Sunday | 66°F | Mostly Cloudy | 7 mph NNE | 0% |
| Sunday Night | 42°F | Mostly Cloudy | 0 to 6 mph E | 0% |
| Monday | 68°F | Mostly Sunny | 0 to 7 mph ESE | 0% |
| Monday Night | 42°F | Mostly Clear | 6 mph SSE | 0% |
| Tuesday | 68°F | Sunny | 6 to 17 mph SSE | 0% |
| Tuesday Night | 47°F | Mostly Clear | 14 mph SSE | 1% |
| Wednesday | 69°F | Mostly Sunny | 15 to 22 mph SSE | 4% |
| Wednesday Night | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 15 to 20 mph SSE | 21% |
| Thursday | 71°F | Slight Chance Rain Showers | 13 to 16 mph SSE | 23% |
| Thursday Night | 53°F | Mostly Cloudy | 7 to 12 mph S | 10% |
| Friday | 74°F | Mostly Sunny | 7 to 16 mph S | 5% |
| Friday Night | 57°F | Partly Cloudy | 16 mph SSE | 13% |
| Saturday | 72°F | Chance Rain Showers | 17 to 21 mph S | 37% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hamilton, ND
Last spring frost
May 12
First fall frost
Sep 30
Growing season
139 days
Hardiness zone
4a
Explore more for Hamilton, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Cavalier 7Nw, Nd (13.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.