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Boone Grove, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Boone Grove, a community in Porter County, Indiana.

This Afternoon
72°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Cloudy, with a high near 72. Southwest wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Boone Grove

WhenTempForecastWindPrecip
This Afternoon 72°F Slight Chance Showers And Thunderstorms 5 mph SW 23%
Tonight 66°F Showers And Thunderstorms 0 to 5 mph SE 80%
Sunday 72°F Showers And Thunderstorms 5 to 10 mph NNE 81%
Sunday Night 53°F Rain Showers Likely 10 mph NE 60%
Monday 66°F Chance Rain Showers 10 to 15 mph ENE 38%
Monday Night 50°F Chance Rain Showers 10 to 15 mph NE 38%
Tuesday 64°F Chance Rain Showers 10 mph NE 31%
Tuesday Night 50°F Chance Rain Showers 5 to 10 mph NE 31%
Wednesday 65°F Slight Chance Rain Showers then Mostly Cloudy 5 to 10 mph NE 15%
Wednesday Night 51°F Mostly Cloudy 5 to 10 mph NNE 12%
Thursday 68°F Partly Sunny 5 to 10 mph NNE 2%
Thursday Night 52°F Mostly Cloudy 0 to 5 mph NNE 6%
Friday 72°F Partly Sunny 0 to 5 mph NNE 6%
Friday Night 51°F Partly Cloudy 0 to 5 mph NE 2%

Forecast source: National Weather Service (api.weather.gov) for Boone Grove (41.355, -87.134). Updated through the day.

Growing snapshot for Boone Grove

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

More local growing data for Boone Grove: nearby ZIP 46302 weather · frost dates · planting calendar · Indiana frost dates

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