Hazen, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hazen, a city in Mercer County, North Dakota.
Overnight
53°F
Patchy Drizzle
Patchy drizzle before 4am, then patchy fog. Cloudy, with a low around 53. Wind around 0 mph.
7-day forecast for Hazen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Patchy Drizzle | 0 mph | 5% |
| Saturday | 68°F | Patchy Fog then Chance Rain Showers | 0 to 13 mph NE | 32% |
| Saturday Night | 46°F | Chance Rain Showers | 8 to 13 mph NE | 45% |
| Sunday | 64°F | Chance Rain Showers | 10 mph E | 48% |
| Sunday Night | 42°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 8 mph E | 15% |
| Monday | 70°F | Mostly Sunny | 1 to 12 mph SE | 3% |
| Monday Night | 43°F | Partly Cloudy | 7 to 10 mph SE | 1% |
| Tuesday | 72°F | Mostly Sunny | 8 to 21 mph SE | 3% |
| Tuesday Night | 48°F | Mostly Cloudy | 13 to 17 mph SE | 4% |
| Wednesday | 77°F | Mostly Sunny | 13 to 16 mph SE | 6% |
| Wednesday Night | 50°F | Partly Cloudy | 5 to 13 mph SE | 12% |
| Thursday | 79°F | Mostly Sunny | 5 to 12 mph SE | 10% |
| Thursday Night | 51°F | Partly Cloudy | 7 to 10 mph SE | 9% |
| Friday | 79°F | Mostly Sunny | 7 to 18 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Hazen (47.298, -101.625). Updated through the day.
Growing snapshot for Hazen
Last spring frost
May 21
First fall frost
Sep 20
Growing season
121 days
Hardiness zone
4a
More local growing data for Hazen: nearby ZIP 58545 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Beulah 1 W, Nd (10.8 mi from Hazen). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.