Ironton, OH Weather & Growing Conditions
Tonight
67°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 10pm. Partly cloudy, with a low around 67. South wind around 2 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 67°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph S | 52% |
| Sunday | 89°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 24% |
| Sunday Night | 64°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph E | 46% |
| Monday | 78°F | Chance Rain Showers | 6 mph NE | 43% |
| Monday Night | 59°F | Showers And Thunderstorms Likely | 2 to 6 mph NE | 55% |
| Tuesday | 76°F | Rain Showers Likely | 5 mph NE | 60% |
| Tuesday Night | 60°F | Showers And Thunderstorms | 5 mph NE | 76% |
| Wednesday | 74°F | Showers And Thunderstorms | 7 mph E | 76% |
| Wednesday Night | 57°F | Showers And Thunderstorms Likely | 6 mph E | 74% |
| Thursday | 72°F | Chance Showers And Thunderstorms | 6 mph E | 42% |
| Thursday Night | 55°F | Chance Rain Showers then Mostly Cloudy | 5 mph NE | 28% |
| Friday | 73°F | Mostly Sunny | 6 mph NE | 11% |
| Friday Night | 52°F | Partly Cloudy | 5 mph N | 10% |
| Saturday | 73°F | Mostly Sunny | 5 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ironton, OH
Last spring frost
Apr 30
First fall frost
Oct 15
Growing season
167 days
Hardiness zone
7a
Explore more for Ironton, OH: full frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Waterloo, Oh (9.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.