Hamilton, ND Weather & Growing Conditions
Today
70°F
Sunny
Sunny, with a high near 70. West wind 10 to 16 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Sunny | 10 to 16 mph W | 0% |
| Tonight | 50°F | Mostly Clear | 5 to 12 mph WSW | 0% |
| Wednesday | 79°F | Mostly Sunny | 8 to 17 mph SW | 0% |
| Wednesday Night | 56°F | Partly Cloudy | 8 to 13 mph SW | 9% |
| Thursday | 81°F | Sunny | 7 to 15 mph W | 7% |
| Thursday Night | 57°F | Mostly Clear | 7 to 13 mph W | 10% |
| Friday | 78°F | Sunny | 7 to 13 mph NW | 10% |
| Friday Night | 54°F | Mostly Clear | 5 to 12 mph NW | 6% |
| Saturday | 78°F | Mostly Sunny | 5 to 12 mph NNW | 8% |
| Saturday Night | 55°F | Partly Cloudy | 5 to 12 mph NNW | 10% |
| Sunday | 76°F | Mostly Sunny | 5 to 10 mph NNW | 10% |
| Sunday Night | 55°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 10 mph N | 22% |
| Monday | 76°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph N | 22% |
| Monday Night | 55°F | Partly Cloudy | 5 to 10 mph N | 12% |
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 Aug 4, 2026.