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Boston, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Boston, a town in Wayne County, Indiana.

Today
85°F
Partly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 1pm and 4pm, then showers and thunderstorms likely. Partly sunny, with a high near 85. South wind around 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast for Boston

WhenTempForecastWindPrecip
Today 85°F Partly Sunny then Chance Showers And Thunderstorms 8 mph S 59%
Tonight 66°F Chance Showers And Thunderstorms 3 to 7 mph S 44%
Sunday 83°F Chance Showers And Thunderstorms 8 mph W 33%
Sunday Night 57°F Chance Showers And Thunderstorms 9 to 13 mph NE 50%
Monday 69°F Rain Showers Likely 13 mph NE 58%
Monday Night 53°F Chance Rain Showers 12 to 15 mph NE 54%
Tuesday 68°F Slight Chance Rain Showers 13 mph NE 18%
Tuesday Night 55°F Chance Showers And Thunderstorms 8 to 14 mph NE 28%
Wednesday 68°F Chance Rain Showers 9 mph NE 37%
Wednesday Night 54°F Chance Rain Showers then Mostly Cloudy 6 to 12 mph NE 37%
Thursday 69°F Mostly Cloudy 9 mph N 12%
Thursday Night 53°F Mostly Cloudy 6 to 9 mph N 12%
Friday 70°F Mostly Sunny 7 to 10 mph NE 8%
Friday Night 51°F Partly Cloudy 6 to 10 mph NE 8%

Forecast source: National Weather Service (api.weather.gov) for Boston (39.741, -84.852). Updated through the day.

Growing snapshot for Boston

Last spring frost
Apr 24
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a

More local growing data for Boston: nearby ZIP 47324 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Richmond Wtr Wks, In (7.9 mi from Boston). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.