Harman US

Ironton, MO Weather & Growing Conditions

This Afternoon
68°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 68, with temperatures falling to around 64 in the afternoon. South wind around 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 68°F Rain 14 mph S 98%
Tonight 49°F Rain then Chance Rain Showers 9 to 16 mph SW 86%
Wednesday 64°F Partly Sunny 8 mph W 2%
Wednesday Night 39°F Mostly Clear 7 mph SW 0%
Thursday 67°F Sunny 6 mph W 2%
Thursday Night 41°F Mostly Cloudy 3 to 8 mph NW 9%
Friday 58°F Partly Sunny 8 mph NW 1%
Friday Night 37°F Mostly Cloudy 0 to 5 mph N 1%
Saturday 56°F Partly Sunny 0 to 3 mph NW 0%
Saturday Night 34°F Partly Cloudy 1 mph NW 1%
Sunday 62°F Sunny 0 to 5 mph NW 6%
Sunday Night 34°F Mostly Clear 2 mph NW 4%
Monday 66°F Sunny 1 to 5 mph W 1%
Monday Night 38°F Mostly Clear 3 mph SW 0%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Ironton, MO

Last spring frost
Apr 13
First fall frost
Oct 21
Growing season
191 days
Hardiness zone
6b

Explore more for Ironton, MO: full frost dates · planting calendar · Missouri frost dates

Climate data from the nearest NOAA station, Farmington, Mo (17.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.