Hazen, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hazen, a city in Mercer County, North Dakota.
Tonight
22°F
Mostly Clear
Mostly clear. Low around 22, with temperatures rising to around 28 overnight. Northwest wind 1 to 6 mph.
7-day forecast for Hazen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 22°F | Mostly Clear | 1 to 6 mph NW | 0% |
| Wednesday | 52°F | Mostly Sunny | 2 to 10 mph NW | 0% |
| Wednesday Night | 22°F | Partly Cloudy | 0 to 6 mph N | 0% |
| Thursday | 46°F | Mostly Sunny | 0 to 3 mph E | 0% |
| Thursday Night | 21°F | Partly Cloudy | 3 mph S | 0% |
| Friday | 54°F | Mostly Sunny | 3 to 7 mph SW | 0% |
| Friday Night | 28°F | Mostly Clear | 6 mph SW | 1% |
| Saturday | 57°F | Mostly Sunny | 7 to 21 mph W | 2% |
| Saturday Night | 26°F | Mostly Clear | 1 to 9 mph W | 0% |
| Sunday | 62°F | Sunny | 1 to 10 mph SW | 0% |
| Sunday Night | 36°F | Partly Cloudy | 9 mph SW | 0% |
| Monday | 58°F | Mostly Sunny | 9 to 18 mph W | 0% |
| Monday Night | 28°F | Partly Cloudy | 2 to 7 mph W | 0% |
| Tuesday | 57°F | Partly Sunny | 2 to 10 mph W | 1% |
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 Nov 4, 2026.