Alton, KY Weather & Growing Conditions
Today
71°F
Rain Showers Likely
Rain showers likely before 2pm, then patchy drizzle. Mostly cloudy, with a high near 71. Southwest wind around 9 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Rain Showers Likely | 9 mph SW | 68% |
| Tonight | 46°F | Patchy Drizzle | 2 to 6 mph W | 4% |
| Thursday | 67°F | Sunny | 3 to 8 mph SW | 0% |
| Thursday Night | 42°F | Partly Cloudy | 0 to 3 mph W | 0% |
| Friday | 62°F | Partly Sunny | 0 to 7 mph NW | 0% |
| Friday Night | 36°F | Partly Cloudy | 2 to 7 mph NW | 0% |
| Saturday | 56°F | Mostly Sunny | 5 mph N | 0% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 3 mph NW | 0% |
| Sunday | 58°F | Mostly Sunny | 0 to 6 mph NW | 1% |
| Sunday Night | 31°F | Mostly Clear | 0 to 3 mph NW | 2% |
| Monday | 61°F | Sunny | 0 to 5 mph W | 2% |
| Monday Night | 34°F | Clear | 3 mph SW | 1% |
| Tuesday | 66°F | Sunny | 1 to 6 mph SW | 1% |
| Tuesday Night | 36°F | Mostly Clear | 2 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Alton, KY
Last spring frost
Apr 19
First fall frost
Oct 24
Growing season
186 days
Hardiness zone
7a
Explore more for Alton, KY: full frost dates · planting calendar · Kentucky frost dates
Climate data from the nearest NOAA station, Brandenburg, Ky (14.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.