Summitville, IN Weather & Growing Conditions
Today
82°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A slight chance of showers and thunderstorms between 10am and 11am, then showers and thunderstorms likely between 11am and 4pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 82, with temperatures falling to around 79 in the afternoon. South southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph SSE | 66% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 5 mph S | 34% |
| Sunday | 79°F | Showers And Thunderstorms Likely | 3 to 9 mph NW | 65% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 14 mph NE | 71% |
| Monday | 67°F | Showers And Thunderstorms Likely | 13 to 16 mph ENE | 56% |
| Monday Night | 51°F | Chance Rain Showers | 12 to 18 mph NE | 47% |
| Tuesday | 66°F | Slight Chance Rain Showers | 13 to 16 mph NE | 24% |
| Tuesday Night | 53°F | Chance Showers And Thunderstorms | 8 to 16 mph NE | 29% |
| Wednesday | 67°F | Chance Rain Showers | 10 mph NNE | 28% |
| Wednesday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NNE | 18% |
| Thursday | 69°F | Mostly Cloudy | 6 to 9 mph NNE | 6% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 9 mph NNE | 6% |
| Friday | 71°F | Mostly Sunny | 5 to 9 mph NNE | 4% |
| Friday Night | 50°F | Partly Cloudy | 3 to 8 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Summitville, IN
Last spring frost
Apr 24
First fall frost
Oct 18
Growing season
175 days
Hardiness zone
6a
Explore more for Summitville, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Elwood, In (10.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.