Riley, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Riley, a town in Vigo County, Indiana.
This Afternoon
67°F
Mostly Cloudy
Mostly cloudy. High near 67, with temperatures falling to around 61 in the afternoon. West southwest wind around 13 mph, with gusts as high as 21 mph.
7-day forecast for Riley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Mostly Cloudy | 13 mph WSW | 8% |
| Tonight | 47°F | Mostly Cloudy | 3 to 8 mph WSW | 5% |
| Thursday | 63°F | Partly Sunny | 6 to 12 mph SW | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 1 to 6 mph WNW | 11% |
| Friday | 55°F | Mostly Cloudy | 5 to 10 mph NNW | 3% |
| Friday Night | 32°F | Partly Cloudy | 2 to 7 mph NNW | 1% |
| Saturday | 54°F | Sunny | 2 to 6 mph NNW | 0% |
| Saturday Night | 29°F | Mostly Clear | 2 mph NNW | 0% |
| Sunday | 59°F | Sunny | 0 to 6 mph NW | 0% |
| Sunday Night | 32°F | Mostly Clear | 0 to 3 mph NW | 0% |
| Monday | 63°F | Sunny | 0 to 6 mph WSW | 0% |
| Monday Night | 35°F | Clear | 3 mph SW | 0% |
| Tuesday | 64°F | Sunny | 1 to 5 mph W | 2% |
| Tuesday Night | 36°F | Mostly Clear | 2 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Riley (39.390, -87.300). Updated through the day.
Growing snapshot for Riley
Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
192 days
More local growing data for Riley: nearby ZIP 47871 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Burnett
Dresser
Fontanet
Lakewood
Lyford
New Goshen
North Terre Haute
Prairie Creek
Prairieton
Seelyville
Shepardsville
St. Mary of the Woods
Tecumseh
Terre Haute
Toad Hop
West Terre Haute
Climate data from the nearest NOAA station, Terre Haute Caa Ap, In (4.2 mi from Riley). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.