Fortescue, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fortescue, a town in Brown County, Missouri.
Today
87°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
A slight chance of rain showers before 9am, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87. South southeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Fortescue
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 87°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph SSE | 16% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 5 to 8 mph NNE | 52% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 9 mph NE | 57% |
| Wednesday Night | 62°F | Chance Showers And Thunderstorms | 2 to 9 mph NE | 43% |
| Thursday | 82°F | Chance Showers And Thunderstorms then Mostly Sunny | 3 mph ENE | 30% |
| Thursday Night | 65°F | Mostly Clear | 3 mph ESE | 13% |
| Friday | 87°F | Mostly Sunny | 2 to 7 mph SSE | 13% |
| Friday Night | 70°F | Mostly Clear | 5 mph SSE | 8% |
| Saturday | 91°F | Sunny | 5 to 10 mph S | 4% |
| Saturday Night | 75°F | Mostly Clear | 9 to 13 mph S | 2% |
| Sunday | 93°F | Mostly Sunny | 14 mph S | 2% |
| Sunday Night | 75°F | Partly Cloudy | 14 mph S | 4% |
| Monday | 93°F | Mostly Sunny | 15 mph SSW | 4% |
| Monday Night | 75°F | Partly Cloudy | 15 mph S | 8% |
Forecast source: National Weather Service (api.weather.gov) for Fortescue (40.052, -95.318). Updated through the day.
Growing snapshot for Fortescue
Last spring frost
Apr 16
First fall frost
Oct 20
Growing season
186 days
Hardiness zone
6a
More local growing data for Fortescue: nearby ZIP 66094 weather · frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Oregon, Mo (10.5 mi from Fortescue). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.