Rob Roy, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rob Roy, a community in Fountain County, Indiana.
This Afternoon
67°F
Mostly Cloudy
Mostly cloudy. High near 67, with temperatures falling to around 59 in the afternoon. West southwest wind around 14 mph, with gusts as high as 21 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Rob Roy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Mostly Cloudy | 14 mph WSW | 8% |
| Tonight | 47°F | Cloudy | 9 mph SW | 6% |
| Thursday | 59°F | Mostly Cloudy | 9 to 14 mph SW | 7% |
| Thursday Night | 42°F | Chance Light Rain | 3 to 7 mph WNW | 39% |
| Friday | 52°F | Mostly Cloudy | 10 mph NNW | 11% |
| Friday Night | 33°F | Partly Cloudy | 3 to 8 mph NNW | 4% |
| Saturday | 52°F | Sunny | 6 mph NW | 0% |
| Saturday Night | 29°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Sunday | 58°F | Sunny | 1 to 7 mph W | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 62°F | Sunny | 0 to 6 mph W | 0% |
| Monday Night | 37°F | Clear | 5 mph SW | 0% |
| Tuesday | 64°F | Sunny | 5 mph W | 1% |
| Tuesday Night | 36°F | Mostly Clear | 0 to 3 mph NNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Rob Roy (40.241, -87.248). Updated through the day.
Growing snapshot for Rob Roy
Last spring frost
Apr 22
First fall frost
Oct 17
Growing season
176 days
Hardiness zone
6a
More local growing data for Rob Roy: nearby ZIP 47918 weather · frost dates · planting calendar · Indiana frost dates
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Climate data from the nearest NOAA station, Attica 2E, In (1.2 mi from Rob Roy). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.