Otterbein, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Otterbein, a town in Warren County, Indiana.
Overnight
64°F
Scattered Rain Showers
Scattered rain showers after 5am. Partly cloudy, with a low around 64. East southeast wind around 8 mph.
7-day forecast for Otterbein
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Scattered Rain Showers | 8 mph ESE | 13% |
| Saturday | 82°F | Chance Showers And Thunderstorms | 8 mph SE | 60% |
| Saturday Night | 67°F | Scattered Showers And Thunderstorms | 3 to 7 mph S | 52% |
| Sunday | 80°F | Showers And Thunderstorms Likely | 2 to 9 mph NNW | 55% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 13 mph NE | 64% |
| Monday | 68°F | Showers And Thunderstorms Likely | 14 mph ENE | 64% |
| Monday Night | 54°F | Chance Showers And Thunderstorms | 12 to 16 mph NE | 43% |
| Tuesday | 68°F | Chance Showers And Thunderstorms | 14 mph NE | 30% |
| Tuesday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 13 mph NE | 16% |
| Wednesday | 68°F | Partly Sunny | 9 mph NNE | 5% |
| Wednesday Night | 54°F | Mostly Cloudy | 3 to 9 mph NNE | 5% |
| Thursday | 71°F | Partly Sunny | 3 to 8 mph NNE | 5% |
| Thursday Night | 54°F | Mostly Cloudy | 2 to 8 mph NNE | 5% |
| Friday | 72°F | Mostly Sunny | 2 to 8 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Otterbein (40.488, -87.088). Updated through the day.
Growing snapshot for Otterbein
Last spring frost
Apr 26
First fall frost
Oct 12
Growing season
169 days
Hardiness zone
6a
More local growing data for Otterbein: nearby ZIP 47970 weather · frost dates · planting calendar · Indiana frost dates
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Ambia
Green Hill
Hedrick
Judyville
Marshfield
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Rainsville
State Line City
Tab
West Lebanon
Climate data from the nearest NOAA station, W Lafayette 6 Nw, In (6.7 mi from Otterbein). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.