Richton Park, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Richton Park, a village in Cook County, Illinois.
Overnight
63°F
Mostly Clear
Mostly clear, with a low around 63. South wind around 5 mph.
7-day forecast for Richton Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 84°F | Mostly Sunny | 5 mph SSW | 2% |
| Tuesday Night | 66°F | Mostly Cloudy | 5 mph SSW | 4% |
| Wednesday | 82°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 mph SW | 45% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 0 to 5 mph SW | 87% |
| Thursday | 79°F | Showers And Thunderstorms Likely | 5 mph S | 87% |
| Thursday Night | 63°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 48% |
| Friday | 82°F | Mostly Sunny | 0 to 5 mph SSW | 6% |
| Friday Night | 64°F | Partly Cloudy | 0 to 5 mph SSW | 8% |
| Saturday | 84°F | Mostly Sunny | 5 to 10 mph SSW | 10% |
| Saturday Night | 69°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 15% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SW | 15% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 10 mph SSW | 39% |
| Monday | 86°F | Chance Rain Showers | 5 to 10 mph SW | 39% |
Forecast source: National Weather Service (api.weather.gov) for Richton Park (41.480, -87.743). Updated through the day.
Growing snapshot for Richton Park
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
More local growing data for Richton Park: nearby ZIP 60471 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Park Forest, Il (2.7 mi from Richton Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.