Riley, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Riley, a town in Vigo County, Indiana.
Today
85°F
Sunny
Sunny, with a high near 85. South southeast wind around 2 mph.
7-day forecast for Riley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Sunny | 2 mph SSE | 0% |
| Tonight | 62°F | Mostly Clear | 1 mph NE | 0% |
| Wednesday | 85°F | Sunny | 2 mph SW | 0% |
| Wednesday Night | 67°F | Partly Cloudy | 1 mph S | 10% |
| Thursday | 84°F | Scattered Showers And Thunderstorms | 1 to 6 mph SSW | 52% |
| Thursday Night | 68°F | Scattered Showers And Thunderstorms | 0 to 5 mph S | 52% |
| Friday | 83°F | Scattered Showers And Thunderstorms | 0 to 5 mph SSW | 35% |
| Friday Night | 67°F | Scattered Showers And Thunderstorms | 0 to 5 mph SW | 35% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph SSW | 21% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SSW | 17% |
| Sunday | 87°F | Sunny | 2 to 9 mph SSW | 10% |
| Sunday Night | 71°F | Mostly Clear | 5 to 8 mph SSW | 10% |
| Monday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 8 mph SSW | 16% |
| Monday Night | 72°F | Chance Showers And Thunderstorms | 7 mph SSW | 30% |
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 Aug 4, 2026.