Dayton, KY Weather & Growing Conditions
Tonight
64°F
Partly Cloudy then Widespread Fog
Widespread fog after midnight. Partly cloudy, with a low around 64. Northeast wind 2 to 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Partly Cloudy then Widespread Fog | 2 to 6 mph NE | 2% |
| Saturday | 87°F | Widespread Fog then Chance Showers And Thunderstorms | 5 mph SE | 41% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 3 mph S | 48% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 6 mph SW | 40% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 8 mph NE | 40% |
| Monday | 80°F | Chance Showers And Thunderstorms | 6 to 9 mph NE | 44% |
| Monday Night | 61°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 50% |
| Tuesday | 75°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 6 to 9 mph NE | 43% |
| Tuesday Night | 61°F | Chance Showers And Thunderstorms | 3 to 10 mph NE | 38% |
| Wednesday | 74°F | Chance Rain Showers | 3 to 8 mph N | 38% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 8 mph N | 28% |
| Thursday | 74°F | Partly Sunny | 3 to 8 mph N | 11% |
| Thursday Night | 58°F | Mostly Cloudy | 2 to 8 mph N | 11% |
| Friday | 74°F | Partly Sunny | 3 to 8 mph N | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dayton, KY
Last spring frost
Apr 16
First fall frost
Oct 25
Growing season
190 days
Hardiness zone
6b
Explore more for Dayton, KY: full frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Cincinnati Lunken Ap, Oh (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.