Fortuna, MO Weather & Growing Conditions
Tonight
49°F
Slight Chance Drizzle
A slight chance of drizzle before 5am. Cloudy, with a low around 49. Wind chill values as low as 46. West wind around 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Slight Chance Drizzle | 10 mph W | 17% |
| Wednesday | 59°F | Mostly Cloudy | 8 to 12 mph W | 6% |
| Wednesday Night | 40°F | Mostly Clear | 6 mph SW | 0% |
| Thursday | 60°F | Sunny | 6 to 10 mph W | 0% |
| Thursday Night | 42°F | Mostly Cloudy | 5 mph NW | 2% |
| Friday | 56°F | Partly Sunny | 6 mph N | 3% |
| Friday Night | 34°F | Partly Cloudy | 2 mph N | 0% |
| Saturday | 55°F | Mostly Sunny | 2 mph N | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 mph | 1% |
| Sunday | 61°F | Sunny | 0 to 3 mph W | 0% |
| Sunday Night | 36°F | Clear | 1 mph W | 0% |
| Monday | 66°F | Sunny | 1 to 5 mph SW | 0% |
| Monday Night | 41°F | Mostly Clear | 2 mph SW | 0% |
| Tuesday | 69°F | Sunny | 3 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fortuna, MO
Last spring frost
Apr 8
First fall frost
Oct 29
Growing season
202 days
Hardiness zone
6b
Explore more for Fortuna, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Versailles, Mo (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.