Bonne Terre, MO Weather & Growing Conditions
This Afternoon
99°F
Mostly Sunny
Mostly sunny, with a high near 99. Heat index values as high as 101. Southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Mostly Sunny | 6 mph SW | 1% |
| Tonight | 71°F | Mostly Clear | 5 mph SW | 1% |
| Sunday | 95°F | Mostly Sunny | 5 mph W | 2% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph NE | 58% |
| Monday | 84°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 1 to 7 mph NE | 69% |
| Monday Night | 59°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 to 7 mph N | 69% |
| Tuesday | 73°F | Slight Chance Rain Showers then Partly Sunny | 5 to 9 mph N | 23% |
| Tuesday Night | 52°F | Partly Cloudy | 2 to 9 mph N | 11% |
| Wednesday | 74°F | Mostly Sunny | 3 to 7 mph N | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 0 to 6 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 0 to 6 mph N | 3% |
| Thursday Night | 54°F | Partly Cloudy | 0 to 6 mph N | 4% |
| Friday | 77°F | Mostly Sunny | 0 to 6 mph NE | 10% |
| Friday Night | 54°F | Partly Cloudy | 0 to 6 mph NE | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Bonne Terre, MO
Last spring frost
Apr 13
First fall frost
Oct 21
Growing season
191 days
Hardiness zone
6b
Explore more for Bonne Terre, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Farmington, Mo (12 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.