Boston, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boston, a community in Bullitt County, Kentucky.
Tonight
70°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 70. Northeast wind around 3 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Boston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph NE | 24% |
| Saturday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 mph S | 19% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 2 mph S | 22% |
| Sunday | 95°F | Mostly Sunny | 2 to 7 mph SW | 4% |
| Sunday Night | 70°F | Partly Cloudy | 5 mph N | 6% |
| Monday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph NE | 42% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 6 mph NE | 47% |
| Tuesday | 80°F | Chance Rain Showers then Chance Showers And Thunderstorms | 6 mph NE | 44% |
| Tuesday Night | 62°F | Chance Showers And Thunderstorms | 2 to 7 mph N | 44% |
| Wednesday | 78°F | Chance Rain Showers | 2 to 6 mph N | 33% |
| Wednesday Night | 59°F | Slight Chance Rain Showers then Partly Cloudy | 1 to 6 mph N | 15% |
| Thursday | 76°F | Mostly Sunny | 1 to 5 mph N | 9% |
| Thursday Night | 59°F | Partly Cloudy | 1 to 5 mph N | 8% |
| Friday | 76°F | Mostly Sunny | 1 to 7 mph N | 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 19, 2026.