Seymour, IN Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. Northeast wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 2 mph NE | 0% |
| Tonight | 64°F | Mostly Clear | 1 mph NNE | 0% |
| Wednesday | 87°F | Sunny | 0 mph | 0% |
| Wednesday Night | 68°F | Mostly Clear | 1 mph S | 2% |
| Thursday | 87°F | Mostly Sunny then Isolated Showers And Thunderstorms | 0 to 3 mph SW | 21% |
| Thursday Night | 70°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph SW | 61% |
| Friday | 85°F | Chance Showers And Thunderstorms then Isolated Showers And Thunderstorms | 0 to 3 mph SSW | 61% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 2 mph WSW | 57% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms | 0 to 3 mph WSW | 24% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SW | 22% |
| Sunday | 88°F | Mostly Sunny | 0 to 3 mph WSW | 10% |
| Sunday Night | 72°F | Partly Cloudy | 3 mph SSW | 10% |
| Monday | 90°F | Mostly Sunny | 1 to 5 mph SW | 13% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 3 mph SW | 28% |
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 Aug 4, 2026.