Boston, IN Weather & Growing Conditions
This Afternoon
65°F
Rain Likely
Rain likely. Cloudy, with a high near 65. South wind 10 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Rain Likely | 10 to 15 mph S | 72% |
| Tonight | 47°F | Mostly Cloudy | 7 to 10 mph SW | 8% |
| Thursday | 61°F | Mostly Sunny | 7 to 13 mph SW | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 3 to 8 mph SW | 2% |
| Friday | 55°F | Slight Chance Light Rain | 3 to 10 mph W | 22% |
| Friday Night | 36°F | Slight Chance Light Rain then Mostly Cloudy | 9 mph NW | 22% |
| Saturday | 52°F | Partly Sunny | 9 mph NW | 1% |
| Saturday Night | 32°F | Partly Cloudy | 6 mph NW | 0% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 3% |
| Sunday Night | 33°F | Mostly Clear | 5 to 8 mph W | 3% |
| Monday | 59°F | Sunny | 5 to 8 mph W | 3% |
| Monday Night | 37°F | Mostly Clear | 7 mph SW | 1% |
| Tuesday | 63°F | Sunny | 8 mph W | 1% |
| Tuesday Night | 37°F | Mostly Clear | 6 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Boston, IN
Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a
Explore more for Boston, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Richmond Wtr Wks, In (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.