Foster, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Foster, a community in Fountain County, Indiana.
Today
83°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 83. South southeast wind around 2 mph.
7-day forecast for Foster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Patchy Fog then Sunny | 2 mph SSE | 0% |
| Tonight | 61°F | Mostly Clear | 1 mph SSE | 0% |
| Wednesday | 84°F | Mostly Sunny | 0 to 3 mph SSW | 0% |
| Wednesday Night | 66°F | Mostly Cloudy then Scattered Showers And Thunderstorms | 3 mph S | 45% |
| Thursday | 82°F | Showers And Thunderstorms | 1 to 6 mph S | 75% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 0 to 5 mph SSW | 61% |
| Friday | 82°F | Scattered Showers And Thunderstorms | 0 to 3 mph SSW | 26% |
| Friday Night | 66°F | Scattered Showers And Thunderstorms | 0 to 3 mph WSW | 26% |
| Saturday | 84°F | Mostly Sunny | 0 to 6 mph SW | 14% |
| Saturday Night | 68°F | Partly Cloudy | 2 to 6 mph SSW | 13% |
| Sunday | 86°F | Sunny | 6 to 12 mph SSW | 10% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 7 to 10 mph SSW | 16% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 7 to 10 mph SSW | 18% |
| Monday Night | 70°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph SW | 31% |
Forecast source: National Weather Service (api.weather.gov) for Foster (40.142, -87.469). Updated through the day.
Growing snapshot for Foster
Last spring frost
Apr 23
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
6a
More local growing data for Foster: nearby ZIP 47932 weather · frost dates · planting calendar · Indiana frost dates
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Climate data from the nearest NOAA station, Perrysville 4 Wnw, In (6.4 mi from Foster). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.