Hamilton, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hamilton, a city in Pembina County, North Dakota.
Today
70°F
Sunny
Sunny, with a high near 70. West northwest wind 12 to 16 mph.
7-day forecast for Hamilton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Sunny | 12 to 16 mph WNW | 0% |
| Tonight | 50°F | Mostly Clear | 5 to 12 mph WSW | 0% |
| Wednesday | 79°F | Mostly Sunny | 9 to 17 mph SW | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 8 to 13 mph SW | 8% |
| Thursday | 81°F | Sunny | 8 to 15 mph W | 6% |
| Thursday Night | 57°F | Mostly Clear | 7 to 13 mph W | 10% |
| Friday | 77°F | Sunny | 7 to 13 mph NW | 10% |
| Friday Night | 54°F | Mostly Clear | 5 to 13 mph NW | 6% |
| Saturday | 77°F | Mostly Sunny | 5 to 13 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 | 3 to 10 mph N | 22% |
| Monday | 76°F | Slight Chance Rain Showers then Mostly Sunny | 3 to 10 mph NNW | 22% |
| Monday Night | 55°F | Partly Cloudy | 5 to 10 mph N | 12% |
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 Aug 4, 2026.