Boone Grove, IN Weather & Growing Conditions
Today
66°F
Chance Rain then Slight Chance Rain Showers
A chance of rain before noon, then a slight chance of drizzle between noon and 2pm, then a slight chance of rain showers and a slight chance of drizzle. Mostly cloudy. High near 66, with temperatures falling to around 58 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Chance Rain then Slight Chance Rain Showers | 15 mph SW | 43% |
| Tonight | 46°F | Slight Chance Rain then Mostly Cloudy | 10 mph SW | 16% |
| Thursday | 56°F | Mostly Cloudy then Chance Rain | 10 to 15 mph SW | 40% |
| Thursday Night | 40°F | Rain | 5 to 10 mph NW | 87% |
| Friday | 49°F | Chance Rain | 10 to 15 mph NNW | 30% |
| Friday Night | 36°F | Mostly Cloudy | 5 to 10 mph NW | 9% |
| Saturday | 51°F | Mostly Sunny | 5 to 10 mph NW | 4% |
| Saturday Night | 33°F | Partly Cloudy | 0 to 5 mph WNW | 0% |
| Sunday | 54°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 2% |
| Monday | 60°F | Sunny | 0 to 10 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 mph WSW | 1% |
| Tuesday | 60°F | Sunny | 5 mph W | 1% |
| Tuesday Night | 37°F | Partly Cloudy | 0 mph | 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 Nov 4, 2026.