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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

WhenTempForecastWindPrecip
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

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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.