Summitville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Summitville, a town in Madison County, Indiana.
Today
81°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny. High near 81, with temperatures falling to around 79 in the afternoon. East northeast wind around 1 mph.
7-day forecast for Summitville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Fog then Sunny | 1 mph ENE | 0% |
| Tonight | 59°F | Clear | 0 mph | 0% |
| Wednesday | 83°F | Sunny | 0 to 3 mph WSW | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 2 mph SSW | 9% |
| Thursday | 82°F | Isolated Showers And Thunderstorms | 2 to 7 mph SW | 59% |
| Thursday Night | 65°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 59% |
| Friday | 82°F | Scattered Showers And Thunderstorms | 1 to 5 mph SSW | 51% |
| Friday Night | 64°F | Scattered Showers And Thunderstorms | 0 to 5 mph SW | 42% |
| Saturday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 16% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 16% |
| Sunday | 85°F | Mostly Sunny | 5 to 12 mph SW | 11% |
| Sunday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 9 mph SW | 17% |
| Monday | 85°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph SW | 24% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 to 9 mph SW | 39% |
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
Nearby towns & communities
Alexandria
Anderson
Chesterfield
Country Club Heights
Edgewood
Elwood
Fishersburg
Frankton
Ingalls
Lapel
Markleville
Orestes
Pendleton
Perkinsville
River Forest
Woodlawn Heights
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 Aug 4, 2026.