Hazen, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hazen, a city in Mercer County, North Dakota.
Overnight
43°F
Mostly Clear
Mostly clear. Low around 43, with temperatures rising to around 47 overnight. West wind around 7 mph.
7-day forecast for Hazen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 43°F | Mostly Clear | 7 mph W | 0% |
| Tuesday | 75°F | Sunny | 6 to 16 mph W | 0% |
| Tuesday Night | 45°F | Mostly Clear | 0 to 14 mph W | 1% |
| Wednesday | 84°F | Mostly Sunny | 5 to 14 mph SW | 1% |
| Wednesday Night | 50°F | Mostly Clear | 2 to 13 mph SW | 2% |
| Thursday | 88°F | Sunny | 2 to 12 mph W | 0% |
| Thursday Night | 54°F | Mostly Clear | 2 to 10 mph SE | 0% |
| Friday | 87°F | Sunny | 3 to 10 mph NW | 0% |
| Friday Night | 54°F | Mostly Clear | 3 to 8 mph NE | 1% |
| Saturday | 90°F | Mostly Sunny | 3 to 10 mph NE | 1% |
| Saturday Night | 54°F | Mostly Clear | 5 to 10 mph NE | 3% |
| Sunday | 88°F | Mostly Sunny | 5 to 14 mph E | 11% |
| Sunday Night | 54°F | Slight Chance Showers And Thunderstorms | 7 to 14 mph E | 33% |
| Monday | 83°F | Chance Showers And Thunderstorms | 7 to 13 mph NE | 33% |
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 Aug 4, 2026.