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Summitville, IN Weather & Growing Conditions

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

This Afternoon
68°F
Cloudy
Cloudy. High near 68, with temperatures falling to around 63 in the afternoon. West southwest wind around 13 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Summitville

WhenTempForecastWindPrecip
This Afternoon 68°F Cloudy 13 mph WSW 13%
Tonight 46°F Slight Chance Light Rain then Cloudy 6 to 12 mph WSW 17%
Thursday 61°F Mostly Cloudy 9 to 16 mph SW 6%
Thursday Night 42°F Chance Light Rain 3 to 8 mph W 28%
Friday 53°F Chance Light Rain 6 to 13 mph NNW 35%
Friday Night 33°F Chance Light Rain then Mostly Cloudy 5 to 10 mph NW 35%
Saturday 53°F Mostly Sunny 5 to 9 mph NW 1%
Saturday Night 29°F Partly Cloudy 1 to 5 mph WNW 0%
Sunday 57°F Sunny 2 to 10 mph W 0%
Sunday Night 31°F Mostly Clear 2 to 7 mph W 0%
Monday 61°F Sunny 2 to 9 mph WSW 0%
Monday Night 36°F Clear 6 mph SW 0%
Tuesday 63°F Sunny 7 mph W 1%
Tuesday Night 34°F Mostly Clear 0 to 3 mph WNW 2%

Forecast source: National Weather Service (api.weather.gov) for Summitville (40.336, -85.643). Updated through the day.

Growing snapshot for Summitville

Last spring frost
Apr 24
First fall frost
Oct 18
Growing season
175 days
Hardiness zone
6a

More local growing data for Summitville: nearby ZIP 46070 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Elwood, In (10.5 mi from Summitville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.