River Forest, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for River Forest, a town in Madison County, Indiana.
This Afternoon
82°F
Sunny
Sunny, with a high near 82. North northeast wind around 1 mph.
7-day forecast for River Forest
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Sunny | 1 mph NNE | 0% |
| Tonight | 60°F | Clear | 0 mph | 0% |
| Wednesday | 84°F | Sunny | 2 mph W | 0% |
| Wednesday Night | 65°F | Partly Cloudy | 1 mph S | 6% |
| Thursday | 83°F | Partly Sunny then Scattered Showers And Thunderstorms | 1 to 7 mph SSW | 52% |
| Thursday Night | 66°F | Scattered Showers And Thunderstorms then Chance Showers And Thunderstorms | 1 to 5 mph SSW | 55% |
| Friday | 82°F | Scattered Showers And Thunderstorms | 1 to 6 mph SSW | 52% |
| Friday Night | 65°F | Scattered Showers And Thunderstorms | 0 to 3 mph W | 45% |
| Saturday | 83°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph SSW | 19% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph SSW | 19% |
| Sunday | 86°F | Mostly Sunny | 3 to 10 mph SW | 12% |
| Sunday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 7 mph SW | 15% |
| Monday | 86°F | Slight Chance Showers And Thunderstorms | 6 to 10 mph SW | 23% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 to 8 mph SW | 36% |
Forecast source: National Weather Service (api.weather.gov) for River Forest (40.111, -85.729). Updated through the day.
Growing snapshot for River Forest
Last spring frost
Apr 19
First fall frost
Oct 23
Growing season
186 days
Hardiness zone
6a
More local growing data for River Forest: nearby ZIP 46011 weather · frost dates · planting calendar · Indiana frost dates
Nearby towns & communities
Alexandria
Anderson
Chesterfield
Country Club Heights
Edgewood
Elwood
Fishersburg
Frankton
Ingalls
Lapel
Markleville
Orestes
Pendleton
Perkinsville
Summitville
Woodlawn Heights
Climate data from the nearest NOAA station, Anderson Sewage Plt, In (2.7 mi from River Forest). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.