Hamilton, ND Weather & Growing Conditions
Tonight
53°F
Mostly Cloudy
Mostly cloudy, with a low around 53. South wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Mostly Cloudy | 3 to 8 mph S | 13% |
| Saturday | 69°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 14 mph NNW | 24% |
| Saturday Night | 46°F | Mostly Cloudy | 6 to 14 mph NNE | 0% |
| Sunday | 67°F | Partly Sunny | 7 mph NE | 0% |
| Sunday Night | 43°F | Partly Cloudy | 2 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 20 mph SSE | 7% |
| Wednesday Night | 51°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). 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 (15 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.