Boston, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Boston, a community in Bullitt County, Kentucky.
Today
86°F
Sunny
Sunny, with a high near 86. Northeast wind around 3 mph.
7-day forecast for Boston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 3 mph NE | 0% |
| Tonight | 68°F | Mostly Clear | 0 to 3 mph N | 1% |
| Wednesday | 89°F | Sunny then Slight Chance Showers And Thunderstorms | 2 mph W | 21% |
| Wednesday Night | 70°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 1 mph S | 21% |
| Thursday | 90°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 19% |
| Thursday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph S | 40% |
| Friday | 89°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 46% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 46% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 41% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 3 mph SW | 38% |
| Sunday | 89°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 to 5 mph SW | 20% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 20% |
| Monday | 91°F | Sunny | 2 to 7 mph SW | 12% |
| Monday Night | 73°F | Partly Cloudy then Slight Chance Rain Showers | 1 to 5 mph SW | 15% |
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 Aug 4, 2026.