Jonesburg, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jonesburg, a city in Warren County, Missouri.
Tonight
50°F
Light Rain Likely then Chance Rain Showers
Rain likely before 9pm, then a chance of rain showers between midnight and 4am. Cloudy, with a low around 50. Southwest wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
7-day forecast for Jonesburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Light Rain Likely then Chance Rain Showers | 8 to 13 mph SW | 58% |
| Wednesday | 60°F | Mostly Cloudy | 7 to 12 mph W | 3% |
| Wednesday Night | 39°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 62°F | Sunny | 5 to 8 mph W | 6% |
| Thursday Night | 40°F | Mostly Cloudy | 5 mph NW | 14% |
| Friday | 56°F | Mostly Cloudy | 7 mph NW | 4% |
| Friday Night | 36°F | Mostly Cloudy | 3 mph N | 1% |
| Saturday | 56°F | Partly Sunny | 2 mph NW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph NW | 3% |
| Sunday | 61°F | Sunny | 5 mph W | 8% |
| Sunday Night | 34°F | Mostly Clear | 3 mph W | 3% |
| Monday | 66°F | Sunny | 6 mph SW | 2% |
| Monday Night | 39°F | Mostly Clear | 3 mph SW | 1% |
| Tuesday | 68°F | Sunny | 5 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Jonesburg (38.856, -91.304). Updated through the day.
Growing snapshot for Jonesburg
Last spring frost
Apr 14
First fall frost
Oct 23
Growing season
191 days
Hardiness zone
6b
More local growing data for Jonesburg: nearby ZIP 63351 weather · frost dates · planting calendar · Missouri frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Warrenton 1 N, Mo (9.4 mi from Jonesburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.