Tecumseh, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Tecumseh, a community in Vigo County, Indiana.
Tonight
68°F
Partly Cloudy then Scattered Rain Showers
Scattered rain showers after 4am. Partly cloudy. Low around 68, with temperatures rising to around 71 overnight. East southeast wind around 6 mph.
7-day forecast for Tecumseh
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Partly Cloudy then Scattered Rain Showers | 6 mph ESE | 12% |
| Saturday | 90°F | Scattered Rain Showers then Slight Chance Showers And Thunderstorms | 8 mph S | 36% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 6 mph S | 26% |
| Sunday | 89°F | Chance Showers And Thunderstorms | 3 to 7 mph W | 27% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely | 10 mph NNE | 59% |
| Monday | 75°F | Showers And Thunderstorms Likely | 8 to 12 mph NE | 59% |
| Monday Night | 57°F | Chance Showers And Thunderstorms | 9 to 14 mph NE | 53% |
| Tuesday | 71°F | Chance Showers And Thunderstorms | 12 mph NE | 39% |
| Tuesday Night | 55°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 6 to 13 mph NNE | 19% |
| Wednesday | 71°F | Partly Sunny | 6 to 10 mph NNE | 4% |
| Wednesday Night | 55°F | Mostly Cloudy | 3 to 10 mph N | 4% |
| Thursday | 73°F | Partly Sunny | 3 to 9 mph N | 3% |
| Thursday Night | 56°F | Partly Cloudy | 3 to 9 mph NNE | 3% |
| Friday | 74°F | Mostly Sunny | 3 to 9 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Tecumseh (39.570, -87.426). Updated through the day.
Growing snapshot for Tecumseh
Last spring frost
Apr 15
First fall frost
Oct 19
Growing season
187 days
Hardiness zone
6a
More local growing data for Tecumseh: nearby ZIP 47880 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Burnett
Dresser
Fontanet
Lakewood
Lyford
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Prairie Creek
Prairieton
Riley
Seelyville
Shepardsville
St. Mary of the Woods
Terre Haute
Toad Hop
West Terre Haute
Climate data from the nearest NOAA station, Terre Haute Indiana State, In (8.9 mi from Tecumseh). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.