Jonesburg, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jonesburg, a city in Warren County, Missouri.
Today
89°F
Sunny
Sunny, with a high near 89. South wind around 3 mph.
7-day forecast for Jonesburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Sunny | 3 mph S | 0% |
| Tonight | 68°F | Mostly Clear | 1 to 5 mph SE | 4% |
| Wednesday | 89°F | Mostly Sunny then Scattered Showers And Thunderstorms | 3 mph S | 32% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 5 mph S | 74% |
| Thursday | 86°F | Showers And Thunderstorms Likely | 3 mph S | 74% |
| Thursday Night | 67°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 1 mph SE | 16% |
| Friday | 87°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 1 mph S | 17% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 2 mph S | 28% |
| Saturday | 89°F | Chance Showers And Thunderstorms then Sunny | 3 mph SW | 28% |
| Saturday Night | 70°F | Mostly Clear | 5 mph S | 5% |
| Sunday | 91°F | Sunny | 7 mph SW | 3% |
| Sunday Night | 72°F | Mostly Clear | 6 mph S | 5% |
| Monday | 92°F | Sunny | 7 mph SW | 5% |
| Monday Night | 73°F | Mostly Clear | 6 mph S | 10% |
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 Aug 4, 2026.