Jonesburg, MO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jonesburg, a city in Warren County, Missouri.
Today
95°F
Partly Sunny
Partly sunny, with a high near 95. Southwest wind around 7 mph.
7-day forecast for Jonesburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 95°F | Partly Sunny | 7 mph SW | 1% |
| Tonight | 70°F | Partly Cloudy | 3 mph SW | 10% |
| Sunday | 88°F | Chance Rain Showers | 3 mph NW | 49% |
| Sunday Night | 63°F | Showers And Thunderstorms | 6 mph NE | 77% |
| Monday | 73°F | Showers And Thunderstorms | 7 mph NE | 77% |
| Monday Night | 56°F | Chance Rain Showers | 5 to 8 mph NE | 31% |
| Tuesday | 68°F | Slight Chance Rain Showers then Mostly Cloudy | 8 mph NE | 17% |
| Tuesday Night | 50°F | Mostly Cloudy | 3 to 7 mph N | 2% |
| Wednesday | 71°F | Mostly Sunny | 6 mph N | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 3 mph NE | 0% |
| Thursday | 74°F | Mostly Sunny | 3 mph NE | 4% |
| Thursday Night | 55°F | Mostly Cloudy | 3 mph NE | 6% |
| Friday | 75°F | Slight Chance Rain Showers | 5 mph NE | 15% |
| Friday Night | 55°F | Partly Cloudy | 3 mph NE | 6% |
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 Sep 19, 2026.