Fortuna, ND Weather & Growing Conditions
This Afternoon
66°F
Patchy Fog
Patchy fog before 1pm. Partly sunny. High near 66, with temperatures falling to around 64 in the afternoon. Northeast wind around 17 mph, with gusts as high as 26 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Patchy Fog | 17 mph NE | 0% |
| Tonight | 47°F | Cloudy | 12 to 16 mph E | 2% |
| Sunday | 62°F | Mostly Cloudy | 13 mph SE | 5% |
| Sunday Night | 46°F | Partly Cloudy | 10 mph SE | 0% |
| Monday | 68°F | Mostly Sunny | 8 to 18 mph S | 1% |
| Monday Night | 49°F | Mostly Clear | 16 mph SE | 1% |
| Tuesday | 71°F | Mostly Sunny | 16 to 23 mph S | 1% |
| Tuesday Night | 53°F | Mostly Clear | 15 to 20 mph S | 1% |
| Wednesday | 75°F | Mostly Sunny | 14 mph S | 3% |
| Wednesday Night | 54°F | Mostly Clear | 9 to 13 mph S | 8% |
| Thursday | 78°F | Mostly Sunny | 9 to 15 mph S | 7% |
| Thursday Night | 54°F | Mostly Clear | 10 to 14 mph SE | 4% |
| Friday | 76°F | Mostly Sunny | 13 to 21 mph S | 5% |
| Friday Night | 53°F | Partly Cloudy | 17 to 21 mph SE | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fortuna, ND
Last spring frost
May 19
First fall frost
Sep 17
Growing season
121 days
Hardiness zone
3b
Explore more for Fortuna, ND: full frost dates · planting calendar · North Dakota frost dates
Climate data from the nearest NOAA station, Fortuna 1 W, Nd (2.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.