Fortuna, MO Weather & Growing Conditions
Tonight
74°F
Partly Cloudy
Partly cloudy. Low around 74, with temperatures rising to around 76 overnight. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Partly Cloudy | 3 mph S | 5% |
| Saturday | 96°F | Mostly Sunny | 5 to 8 mph SW | 3% |
| Saturday Night | 71°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph SW | 30% |
| Sunday | 89°F | Chance Rain Showers | 5 mph W | 54% |
| Sunday Night | 65°F | Showers And Thunderstorms | 3 mph N | 84% |
| Monday | 76°F | Showers And Thunderstorms | 6 mph N | 84% |
| Monday Night | 58°F | Slight Chance Showers And Thunderstorms | 6 mph N | 22% |
| Tuesday | 70°F | Partly Sunny | 6 mph N | 13% |
| Tuesday Night | 52°F | Mostly Cloudy | 5 mph NE | 3% |
| Wednesday | 73°F | Mostly Sunny | 3 mph NE | 1% |
| Wednesday Night | 53°F | Partly Cloudy | 2 mph NE | 2% |
| Thursday | 74°F | Mostly Sunny | 3 mph NE | 6% |
| Thursday Night | 57°F | Partly Cloudy | 2 mph NE | 6% |
| Friday | 75°F | Mostly Sunny | 3 mph E | 8% |
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 Sep 19, 2026.