Spencer, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spencer, a town in Owen County, Indiana.
This Afternoon
89°F
Scattered Showers And Thunderstorms
Scattered showers and thunderstorms. Mostly sunny. High near 89, with temperatures falling to around 87 in the afternoon. Northeast wind around 5 mph. Chance of precipitation is 40%.
7-day forecast for Spencer
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 89°F | Scattered Showers And Thunderstorms | 5 mph NE | 36% |
| Tonight | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph E | 61% |
| Saturday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph S | 37% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 3 mph S | 27% |
| Sunday | 90°F | Slight Chance Showers And Thunderstorms | 5 mph W | 20% |
| Sunday Night | 64°F | Slight Chance Showers And Thunderstorms | 7 mph NNE | 46% |
| Monday | 78°F | Showers And Thunderstorms Likely | 9 mph NE | 57% |
| Monday Night | 59°F | Showers And Thunderstorms Likely | 7 to 12 mph NE | 57% |
| Tuesday | 73°F | Chance Showers And Thunderstorms | 9 mph NE | 43% |
| Tuesday Night | 57°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 10 mph NNE | 28% |
| Wednesday | 72°F | Mostly Cloudy | 3 to 8 mph NNE | 6% |
| Wednesday Night | 56°F | Mostly Cloudy | 1 to 8 mph N | 6% |
| Thursday | 74°F | Partly Sunny | 2 to 7 mph N | 4% |
| Thursday Night | 57°F | Mostly Cloudy | 1 to 7 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Spencer (39.286, -86.772). Updated through the day.
Growing snapshot for Spencer
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
180 days
Hardiness zone
6a
More local growing data for Spencer: nearby ZIP 47460 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Spencer, In (1.4 mi from Spencer). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.