Foster, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Foster, a community in Fountain County, Indiana.
This Afternoon
65°F
Mostly Cloudy
Mostly cloudy. High near 65, with temperatures falling to around 59 in the afternoon. West southwest wind around 14 mph, with gusts as high as 21 mph.
7-day forecast for Foster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 65°F | Mostly Cloudy | 14 mph WSW | 8% |
| Tonight | 47°F | Mostly Cloudy | 6 to 10 mph SW | 6% |
| Thursday | 59°F | Partly Sunny | 8 to 14 mph SW | 8% |
| Thursday Night | 41°F | Chance Light Rain | 3 to 7 mph WNW | 35% |
| Friday | 52°F | Mostly Cloudy | 8 to 12 mph NNW | 7% |
| Friday Night | 32°F | Mostly Clear | 3 to 8 mph NNW | 2% |
| Saturday | 53°F | Sunny | 6 mph NW | 0% |
| Saturday Night | 29°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Sunday | 59°F | Sunny | 1 to 8 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 to 3 mph WNW | 0% |
| Monday | 63°F | Sunny | 0 to 6 mph WSW | 0% |
| Monday Night | 37°F | Clear | 5 mph SW | 0% |
| Tuesday | 64°F | Sunny | 5 mph W | 2% |
| Tuesday Night | 36°F | Mostly Clear | 2 mph NNW | 2% |
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 Nov 4, 2026.