Bonne Terre, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bonne Terre, a city in St. Francois County, Missouri.
This Afternoon
99°F
Mostly Sunny
Mostly sunny, with a high near 99. Heat index values as high as 102. Southwest wind around 7 mph.
7-day forecast for Bonne Terre
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Mostly Sunny | 7 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 N | 57% |
| 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 | 3 to 7 mph N | 69% |
| Tuesday | 74°F | Slight Chance Rain Showers then Partly Sunny | 5 to 9 mph N | 23% |
| Tuesday Night | 53°F | Mostly Cloudy | 2 to 9 mph N | 1% |
| Wednesday | 74°F | Mostly Sunny | 3 to 7 mph N | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 0 to 6 mph N | 0% |
| Thursday | 76°F | Mostly Sunny | 0 to 6 mph N | 2% |
| Thursday Night | 55°F | Mostly Cloudy | 0 to 5 mph NE | 1% |
| Friday | 79°F | Slight Chance Rain Showers | 0 to 6 mph N | 16% |
| Friday Night | 55°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 5 mph NE | 16% |
Forecast source: National Weather Service (api.weather.gov) for Bonne Terre (37.921, -90.543). Updated through the day.
Growing snapshot for Bonne Terre
Last spring frost
Apr 13
First fall frost
Oct 21
Growing season
191 days
Hardiness zone
6b
More local growing data for Bonne Terre: nearby ZIP 63628 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Bismarck
Desloge
Doe Run
Farmington
Frankclay
Goose Creek Lake
Iron Mountain Lake
Knob Lick
Lake Timberline
Leadington
Leadwood
Park Hills
Terre du Lac
Wortham
Climate data from the nearest NOAA station, Farmington, Mo (12 mi from Bonne Terre). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.