Fortuna, ND Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fortuna, a city in Divide County, North Dakota.
Overnight
28°F
Mostly Clear
Mostly clear, with a low around 28. Southwest wind around 7 mph.
7-day forecast for Fortuna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 28°F | Mostly Clear | 7 mph SW | 0% |
| Wednesday | 51°F | Sunny | 3 to 10 mph NW | 0% |
| Wednesday Night | 24°F | Partly Cloudy | 2 to 8 mph NE | 0% |
| Thursday | 45°F | Mostly Sunny | 3 to 12 mph SE | 0% |
| Thursday Night | 29°F | Partly Cloudy | 10 mph S | 0% |
| Friday | 50°F | Sunny | 9 to 15 mph SW | 0% |
| Friday Night | 33°F | Partly Cloudy | 10 to 16 mph SW | 3% |
| Saturday | 52°F | Mostly Sunny | 14 to 22 mph W | 7% |
| Saturday Night | 29°F | Mostly Clear | 7 to 10 mph SW | 0% |
| Sunday | 56°F | Mostly Sunny | 8 to 17 mph SW | 0% |
| Sunday Night | 38°F | Partly Cloudy | 13 to 18 mph SW | 1% |
| Monday | 52°F | Sunny | 10 to 20 mph W | 0% |
| Monday Night | 31°F | Partly Cloudy | 8 mph W | 1% |
| Tuesday | 52°F | Mostly Sunny | 8 to 14 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Fortuna (48.910, -103.779). Updated through the day.
Growing snapshot for Fortuna
Last spring frost
May 19
First fall frost
Sep 17
Growing season
121 days
Hardiness zone
3b
More local growing data for Fortuna: nearby ZIP 58844 weather · frost dates · planting calendar · North Dakota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Fortuna 1 W, Nd (2.9 mi from Fortuna). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.