McHenry, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McHenry, a city in Ohio County, Kentucky.
This Afternoon
79°F
Mostly Sunny
Mostly sunny, with a high near 79. South wind around 13 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for McHenry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Mostly Sunny | 13 mph S | 2% |
| Tonight | 62°F | Showers And Thunderstorms | 9 to 13 mph S | 99% |
| Wednesday | 73°F | Rain Showers Likely then Partly Sunny | 6 to 9 mph SW | 73% |
| Wednesday Night | 46°F | Partly Cloudy | 5 mph SW | 0% |
| Thursday | 70°F | Sunny | 2 to 6 mph SW | 0% |
| Thursday Night | 43°F | Partly Cloudy | 2 mph W | 0% |
| Friday | 64°F | Partly Sunny | 1 to 8 mph NW | 5% |
| Friday Night | 39°F | Mostly Cloudy | 5 mph N | 1% |
| Saturday | 58°F | Mostly Sunny | 2 to 6 mph N | 1% |
| Saturday Night | 33°F | Mostly Cloudy | 2 mph NW | 1% |
| Sunday | 61°F | Mostly Sunny | 0 to 6 mph W | 5% |
| Sunday Night | 32°F | Mostly Clear | 3 mph W | 8% |
| Monday | 63°F | Sunny | 1 to 6 mph W | 6% |
| Monday Night | 35°F | Mostly Clear | 3 mph SW | 1% |
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 Nov 3, 2026.