Ironton, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ironton, a city in Lawrence County, Ohio.
Tonight
65°F
Partly Cloudy then Patchy Fog
Patchy fog after 3am. Partly cloudy, with a low around 65. Northeast wind 1 to 5 mph.
7-day forecast for Ironton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Partly Cloudy then Patchy Fog | 1 to 5 mph NE | 5% |
| Saturday | 89°F | Areas Of Fog then Mostly Sunny | 1 mph SE | 8% |
| Saturday Night | 68°F | Slight Chance Showers And Thunderstorms | 2 mph SE | 35% |
| Sunday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 40% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 3 mph N | 48% |
| Monday | 82°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph NE | 41% |
| Monday Night | 63°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph NE | 62% |
| Tuesday | 78°F | Showers And Thunderstorms Likely | 5 mph N | 55% |
| Tuesday Night | 62°F | Showers And Thunderstorms Likely | 5 mph NE | 65% |
| Wednesday | 74°F | Showers And Thunderstorms Likely | 5 mph NE | 65% |
| Wednesday Night | 58°F | Showers And Thunderstorms Likely | 5 mph NE | 60% |
| Thursday | 73°F | Slight Chance Rain Showers | 5 mph N | 17% |
| Thursday Night | 58°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 5 mph N | 15% |
| Friday | 73°F | Partly Sunny | 5 mph N | 6% |
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 Sep 19, 2026.