Ironton, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ironton, a city in Lawrence County, Ohio.
Today
88°F
Sunny
Sunny, with a high near 88. Northeast wind around 2 mph.
7-day forecast for Ironton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Sunny | 2 mph NE | 8% |
| Tonight | 68°F | Partly Cloudy then Patchy Fog | 2 mph E | 8% |
| Wednesday | 88°F | Patchy Fog then Chance Showers And Thunderstorms | 2 mph S | 52% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 1 mph SW | 43% |
| Thursday | 87°F | Showers And Thunderstorms Likely | 3 mph SW | 62% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely | 2 mph S | 62% |
| Friday | 86°F | Showers And Thunderstorms Likely | 5 mph SW | 70% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph SW | 70% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 43% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 2 mph SW | 43% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 3 mph SW | 25% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SW | 21% |
| Monday | 89°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 to 5 mph SW | 20% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 3 mph SW | 30% |
Forecast source: National Weather Service (api.weather.gov) for Ironton (38.533, -82.678). Updated through the day.
Growing snapshot for Ironton
Last spring frost
Apr 22
First fall frost
Oct 23
Growing season
181 days
Hardiness zone
7a
More local growing data for Ironton: nearby ZIP 45638 weather · frost dates · planting calendar · Ohio frost dates
Climate data from the nearest NOAA station, Ashland, Ky (7.7 mi from Ironton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.