Boston, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boston, a community in Bullitt County, Kentucky.
Tonight
72°F
Partly Cloudy
Partly cloudy, with a low around 72. Southeast wind around 2 mph.
7-day forecast for Boston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 72°F | Partly Cloudy | 2 mph SE | 11% |
| Sunday | 95°F | Mostly Sunny | 2 to 7 mph SW | 5% |
| Sunday Night | 68°F | Partly Cloudy | 1 to 5 mph NE | 12% |
| Monday | 89°F | Mostly Sunny then Scattered Showers And Thunderstorms | 1 to 6 mph NE | 40% |
| Monday Night | 63°F | Scattered Showers And Thunderstorms | 2 to 6 mph NE | 43% |
| Tuesday | 82°F | Scattered Showers And Thunderstorms | 6 mph NE | 46% |
| Tuesday Night | 61°F | Chance Showers And Thunderstorms | 1 to 6 mph NE | 46% |
| Wednesday | 78°F | Chance Rain Showers | 1 to 5 mph N | 36% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph N | 36% |
| Thursday | 77°F | Partly Sunny | 1 to 5 mph N | 9% |
| Thursday Night | 58°F | Partly Cloudy | 1 to 5 mph N | 9% |
| Friday | 78°F | Partly Sunny | 1 to 6 mph N | 5% |
| Friday Night | 56°F | Partly Cloudy | 2 to 6 mph N | 5% |
| Saturday | 79°F | Mostly Sunny | 2 to 6 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Boston (37.781, -85.687). Updated through the day.
Growing snapshot for Boston
Last spring frost
Apr 18
First fall frost
Oct 25
Growing season
189 days
Hardiness zone
7a
More local growing data for Boston: nearby ZIP 40150 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Bernheim Forest, Ky (2.8 mi from Boston). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.