Seymour, IN Weather & Growing Conditions
Tonight
68°F
Scattered Showers And Thunderstorms then Partly Cloudy
Scattered showers and thunderstorms before 9pm, then isolated showers and thunderstorms between 9pm and 10pm. Partly cloudy, with a low around 68. East northeast wind 2 to 7 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Scattered Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph ENE | 35% |
| Saturday | 91°F | Partly Sunny then Scattered Showers And Thunderstorms | 6 mph SSE | 41% |
| Saturday Night | 71°F | Scattered Showers And Thunderstorms | 5 mph S | 25% |
| Sunday | 90°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 3 mph SW | 16% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 5 mph NNE | 35% |
| Monday | 79°F | Chance Rain Showers then Chance Showers And Thunderstorms | 6 mph NE | 52% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 3 to 8 mph NE | 52% |
| Tuesday | 74°F | Chance Showers And Thunderstorms | 6 mph NE | 47% |
| Tuesday Night | 59°F | Chance Showers And Thunderstorms | 2 to 8 mph NNE | 44% |
| Wednesday | 72°F | Mostly Cloudy | 5 mph N | 11% |
| Wednesday Night | 57°F | Mostly Cloudy | 1 to 5 mph N | 8% |
| Thursday | 72°F | Partly Sunny | 1 to 5 mph N | 5% |
| Thursday Night | 58°F | Mostly Cloudy | 1 to 5 mph N | 5% |
| Friday | 73°F | Mostly Sunny | 5 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Seymour, IN
Last spring frost
Apr 16
First fall frost
Oct 21
Growing season
187 days
Hardiness zone
6b
Explore more for Seymour, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Seymour 2 N, In (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.