Island, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Island, a city in Mclean County, Kentucky.
Overnight
71°F
Mostly Clear
Mostly clear. Low around 71, with temperatures rising to around 73 overnight. Southeast wind around 2 mph.
7-day forecast for Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 2 mph SE | 2% |
| Saturday | 98°F | Sunny | 1 to 6 mph SW | 6% |
| Saturday Night | 71°F | Mostly Clear | 5 mph SSW | 3% |
| Sunday | 97°F | Sunny | 3 to 8 mph SW | 0% |
| Sunday Night | 69°F | Partly Cloudy | 2 to 6 mph N | 4% |
| Monday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph NE | 37% |
| Monday Night | 63°F | Chance Showers And Thunderstorms | 5 to 8 mph NNE | 44% |
| Tuesday | 80°F | Chance Showers And Thunderstorms | 6 to 10 mph NNE | 44% |
| Tuesday Night | 59°F | Slight Chance Showers And Thunderstorms | 3 to 10 mph N | 22% |
| Wednesday | 78°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 8 mph NNW | 21% |
| Wednesday Night | 57°F | Partly Cloudy | 3 to 8 mph N | 6% |
| Thursday | 78°F | Mostly Sunny | 3 to 8 mph N | 4% |
| Thursday Night | 58°F | Partly Cloudy | 3 to 8 mph NNE | 4% |
| Friday | 78°F | Mostly Sunny | 3 to 9 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Island (37.443, -87.147). Updated through the day.
Growing snapshot for Island
Last spring frost
Apr 2
First fall frost
Nov 1
Growing season
211 days
Hardiness zone
7a
More local growing data for Island: nearby ZIP 42350 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Calhoun Lock 2, Ky (6.9 mi from Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.