Ironton, MO Weather & Growing Conditions
This Afternoon
95°F
Sunny
Sunny, with a high near 95. Southwest wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 95°F | Sunny | 3 mph SW | 1% |
| Tonight | 70°F | Mostly Clear | 2 mph SW | 1% |
| Sunday | 93°F | Mostly Sunny | 3 mph W | 5% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph NE | 43% |
| Monday | 83°F | Chance Showers And Thunderstorms | 3 mph NE | 74% |
| Monday Night | 61°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph N | 74% |
| Tuesday | 72°F | Slight Chance Rain Showers then Partly Sunny | 6 mph N | 19% |
| Tuesday Night | 54°F | Partly Cloudy | 6 mph N | 6% |
| Wednesday | 72°F | Mostly Sunny | 5 mph N | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 3 mph N | 0% |
| Thursday | 75°F | Mostly Sunny | 3 mph N | 1% |
| Thursday Night | 55°F | Partly Cloudy | 2 mph NE | 1% |
| Friday | 77°F | Slight Chance Rain Showers | 3 mph NE | 15% |
| Friday Night | 57°F | Slight Chance Rain Showers then Partly Cloudy | 2 mph NE | 15% |
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 Sep 19, 2026.