Iron City, TN Weather & Growing Conditions
This Afternoon
99°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Sunny, with a high near 99. Heat index values as high as 98. Northwest wind 0 to 5 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph NW | 18% |
| Tonight | 72°F | Mostly Clear | 0 mph | 10% |
| Sunday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 18% |
| Sunday Night | 72°F | Mostly Clear | 0 mph | 10% |
| Monday | 97°F | Mostly Sunny | 0 to 5 mph WSW | 14% |
| Monday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 25% |
| Tuesday | 93°F | Patchy Fog then Chance Showers And Thunderstorms | 0 to 5 mph NNE | 41% |
| Tuesday Night | 65°F | Chance Showers And Thunderstorms | 0 to 5 mph NNE | 41% |
| Wednesday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph N | 17% |
| Wednesday Night | 62°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph N | 17% |
| Thursday | 85°F | Mostly Sunny | 5 mph NNE | 7% |
| Thursday Night | 60°F | Partly Cloudy | 0 to 5 mph NNE | 7% |
| Friday | 85°F | Sunny | 0 to 10 mph NNE | 2% |
| Friday Night | 59°F | Partly Cloudy | 0 to 5 mph NNE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Iron City, TN
Last spring frost
Mar 29
First fall frost
Nov 4
Growing season
219 days
Hardiness zone
7b
Explore more for Iron City, TN: full frost dates · planting calendar · Tennessee frost dates
Climate data from the nearest NOAA station, Lexington, Al (17.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.