Fortuna, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fortuna, a community in Morgan County, Missouri.
This Afternoon
96°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Sunny, with a high near 96. Heat index values as high as 104. Southwest wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Fortuna
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 96°F | Slight Chance Showers And Thunderstorms | 3 mph SW | 21% |
| Tonight | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph S | 16% |
| Saturday | 98°F | Partly Sunny | 5 to 8 mph SW | 3% |
| Saturday Night | 71°F | Mostly Cloudy then Chance Showers And Thunderstorms | 5 mph SW | 25% |
| Sunday | 89°F | Chance Rain Showers | 5 mph W | 53% |
| Sunday Night | 65°F | Showers And Thunderstorms | 3 mph N | 83% |
| Monday | 76°F | Showers And Thunderstorms | 6 mph N | 83% |
| Monday Night | 58°F | Slight Chance Showers And Thunderstorms | 6 mph N | 22% |
| Tuesday | 71°F | Partly Sunny | 6 mph N | 13% |
| Tuesday Night | 52°F | Mostly Cloudy | 1 to 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 | 5% |
Forecast source: National Weather Service (api.weather.gov) for Fortuna (38.568, -92.797). Updated through the day.
Growing snapshot for Fortuna
Last spring frost
Apr 8
First fall frost
Oct 29
Growing season
202 days
Hardiness zone
6b
More local growing data for Fortuna: nearby ZIP 65034 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Versailles, Mo (8.9 mi from Fortuna). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.