McHenry, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McHenry, a city in Ohio County, Kentucky.
Tonight
71°F
Partly Cloudy
Partly cloudy, with a low around 71. East wind around 2 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for McHenry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Partly Cloudy | 2 mph E | 7% |
| Saturday | 97°F | Sunny | 3 mph SW | 6% |
| Saturday Night | 71°F | Partly Cloudy | 3 mph S | 0% |
| Sunday | 98°F | Mostly Sunny | 6 mph SW | 0% |
| Sunday Night | 70°F | Partly Cloudy | 5 mph N | 3% |
| Monday | 92°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph N | 28% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 7 mph NE | 41% |
| Tuesday | 83°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 7 mph N | 31% |
| Tuesday Night | 60°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph N | 21% |
| Wednesday | 79°F | Slight Chance Rain Showers then Mostly Sunny | 3 to 7 mph N | 16% |
| Wednesday Night | 58°F | Partly Cloudy | 2 to 6 mph N | 12% |
| Thursday | 78°F | Mostly Sunny | 2 to 6 mph N | 7% |
| Thursday Night | 58°F | Partly Cloudy | 5 mph N | 7% |
| Friday | 78°F | Mostly Sunny | 3 to 7 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov) for McHenry (37.378, -86.923). Updated through the day.
Growing snapshot for McHenry
Last spring frost
Apr 10
First fall frost
Oct 22
Growing season
192 days
Hardiness zone
7a
More local growing data for McHenry: nearby ZIP 42354 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Beaver Dam, Ky (5.3 mi from McHenry). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.