Riley, IN Weather & Growing Conditions
Overnight
68°F
Mostly Cloudy
Mostly cloudy. Low around 68, with temperatures rising to around 70 overnight. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 68°F | Mostly Cloudy | 3 mph SE | 12% |
| Saturday | 92°F | Chance Showers And Thunderstorms | 6 mph SSW | 47% |
| Saturday Night | 70°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 mph SSE | 18% |
| Sunday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph NW | 28% |
| Sunday Night | 62°F | Chance Showers And Thunderstorms | 10 mph NNE | 54% |
| Monday | 73°F | Rain Showers Likely | 12 mph NE | 68% |
| Monday Night | 56°F | Chance Showers And Thunderstorms | 8 to 13 mph NE | 66% |
| Tuesday | 70°F | Chance Showers And Thunderstorms | 12 mph NE | 31% |
| Tuesday Night | 55°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 12 mph NNE | 31% |
| Wednesday | 71°F | Partly Sunny | 6 to 9 mph NNE | 8% |
| Wednesday Night | 55°F | Partly Cloudy | 2 to 9 mph N | 6% |
| Thursday | 73°F | Mostly Sunny | 5 to 8 mph N | 3% |
| Thursday Night | 56°F | Partly Cloudy | 3 to 8 mph NNE | 3% |
| Friday | 75°F | Mostly Sunny | 3 to 8 mph NNE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Riley, IN
Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
192 days
Explore more for Riley, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Terre Haute Caa Ap, In (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.