Harman US

Ironton, MO Weather & Growing Conditions

This Afternoon
60°F
Sunny
Sunny, with a high near 60. West wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 60°F Sunny 6 mph W 0%
Tonight 41°F Mostly Clear 3 mph SW 0%
Thursday 65°F Sunny 5 mph W 1%
Thursday Night 42°F Partly Cloudy 3 mph NW 14%
Friday 55°F Partly Sunny 6 mph N 11%
Friday Night 32°F Partly Cloudy 3 mph N 0%
Saturday 53°F Mostly Sunny 2 mph N 0%
Saturday Night 31°F Mostly Clear 1 mph N 0%
Sunday 60°F Sunny 1 mph NW 0%
Sunday Night 34°F Mostly Clear 0 mph 0%
Monday 65°F Sunny 2 mph SW 0%
Monday Night 37°F Clear 1 mph W 1%
Tuesday 67°F Sunny 2 mph W 2%
Tuesday Night 40°F Mostly Clear 1 mph NW 3%

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

Growing snapshot for Ironton, MO

Last spring frost
Apr 11
First fall frost
Oct 28
Growing season
198 days
Hardiness zone
6b

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

Climate data from the nearest NOAA station, Potosi 4 Sw, Mo (20.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.