Harman US

Boone Grove, IN Weather & Growing Conditions

Overnight
62°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 62, with temperatures rising to around 64 overnight. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 62°F Chance Showers And Thunderstorms 10 mph ESE 33%
Saturday 78°F Showers And Thunderstorms Likely 5 to 10 mph SE 95%
Saturday Night 64°F Showers And Thunderstorms Likely 5 mph SSE 80%
Sunday 72°F Showers And Thunderstorms Likely 5 to 10 mph N 61%
Sunday Night 53°F Chance Showers And Thunderstorms 10 to 15 mph NE 41%
Monday 66°F Chance Rain Showers 10 to 15 mph ENE 41%
Monday Night 49°F Slight Chance Rain Showers then Mostly Cloudy 10 to 15 mph NE 23%
Tuesday 65°F Slight Chance Rain Showers 10 to 15 mph NE 22%
Tuesday Night 50°F Slight Chance Rain Showers then Mostly Cloudy 10 mph NE 22%
Wednesday 66°F Partly Sunny 10 mph NNE 8%
Wednesday Night 51°F Mostly Cloudy 5 to 10 mph NNE 6%
Thursday 68°F Partly Sunny 5 to 10 mph NNE 4%
Thursday Night 51°F Mostly Cloudy 5 to 10 mph NNE 4%
Friday 71°F Mostly Sunny 5 to 10 mph NE 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Boone Grove, IN

Last spring frost
Apr 20
First fall frost
Oct 26
Growing season
187 days
Hardiness zone
5b

Explore more for Boone Grove, IN: full frost dates · planting calendar · Indiana frost dates

Climate data from the nearest NOAA station, Valparaiso Porter Co Muni Ap, In (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.