Ironton, OH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ironton, a city in Lawrence County, Ohio.
Tonight
60°F
Partly Cloudy
Partly cloudy, with a low around 60. Southeast wind 2 to 6 mph.
7-day forecast for Ironton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Partly Cloudy | 2 to 6 mph SE | 6% |
| Wednesday | 72°F | Rain | 5 to 8 mph SE | 96% |
| Wednesday Night | 57°F | Rain | 2 to 8 mph S | 92% |
| Thursday | 73°F | Mostly Sunny | 2 to 6 mph SW | 2% |
| Thursday Night | 47°F | Partly Cloudy | 2 mph W | 1% |
| Friday | 69°F | Partly Sunny | 0 to 5 mph NW | 7% |
| Friday Night | 43°F | Partly Cloudy | 3 mph NW | 14% |
| Saturday | 61°F | Mostly Sunny | 5 mph NW | 14% |
| Saturday Night | 37°F | Partly Cloudy | 2 mph NW | 6% |
| Sunday | 61°F | Partly Sunny | 0 to 5 mph W | 6% |
| Sunday Night | 35°F | Partly Cloudy then Slight Chance Light Rain | 3 mph W | 15% |
| Monday | 63°F | Patchy Frost then Mostly Sunny | 2 to 6 mph SW | 15% |
| Monday Night | 37°F | Mostly Clear | 3 mph SW | 13% |
| Tuesday | 67°F | Patchy Frost then Mostly Sunny | 3 to 7 mph SW | 5% |
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 Nov 4, 2026.