Boston, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boston, a community in Bullitt County, Kentucky.
Overnight
63°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a low around 63. South wind 8 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Boston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Showers And Thunderstorms | 8 to 12 mph S | 99% |
| Wednesday | 71°F | Showers And Thunderstorms | 6 to 14 mph S | 100% |
| Wednesday Night | 48°F | Partly Cloudy | 1 to 5 mph W | 4% |
| Thursday | 69°F | Sunny | 2 to 7 mph SW | 0% |
| Thursday Night | 44°F | Partly Cloudy | 0 to 3 mph W | 0% |
| Friday | 65°F | Mostly Sunny | 0 to 7 mph NW | 0% |
| Friday Night | 38°F | Partly Cloudy | 1 to 6 mph NW | 0% |
| Saturday | 57°F | Mostly Sunny | 1 to 5 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph N | 0% |
| Sunday | 60°F | Mostly Sunny | 0 to 5 mph NW | 1% |
| Sunday Night | 32°F | Mostly Clear | 0 to 3 mph NW | 2% |
| Monday | 63°F | Sunny | 0 to 3 mph W | 2% |
| Monday Night | 35°F | Clear | 2 mph SW | 1% |
| Tuesday | 67°F | Sunny | 0 to 5 mph SW | 1% |
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 Nov 4, 2026.