Spencerville, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spencerville, a community in Dekalb County, Indiana.
Tonight
65°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 11pm, then showers and thunderstorms. Cloudy, with a low around 65. Southeast wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Spencerville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph SE | 84% |
| Sunday | 73°F | Showers And Thunderstorms | 5 to 10 mph N | 81% |
| Sunday Night | 53°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 47% |
| Monday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Monday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 15% |
| Tuesday | 63°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 39% |
| Wednesday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 49% |
| Wednesday Night | 51°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 48% |
| Thursday | 67°F | Partly Sunny | 10 mph NE | 9% |
| Thursday Night | 51°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
| Friday | 70°F | Partly Sunny | 5 to 10 mph NE | 7% |
| Friday Night | 49°F | Partly Cloudy | 0 to 5 mph NE | 7% |
| Saturday | 72°F | Mostly Sunny | 0 to 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Spencerville (41.280, -84.929). Updated through the day.
Growing snapshot for Spencerville
Last spring frost
Apr 28
First fall frost
Oct 17
Growing season
170 days
Hardiness zone
6a
More local growing data for Spencerville: nearby ZIP 46788 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Hicksville, Oh (7.8 mi from Spencerville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.