Merrionette Park, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merrionette Park, a village in Cook County, Illinois.
Today
77°F
Showers And Thunderstorms then Showers And Thunderstorms Likely
Showers and thunderstorms before noon, then showers and thunderstorms likely. Cloudy. High near 77, with temperatures falling to around 75 in the afternoon. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Merrionette Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 77°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SE | 100% |
| Tonight | 65°F | Showers And Thunderstorms | 5 to 10 mph SSE | 95% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 10 to 15 mph NNE | 65% |
| Sunday Night | 58°F | Chance Rain Showers | 15 mph NE | 35% |
| Monday | 65°F | Chance Rain Showers | 15 mph ENE | 30% |
| Monday Night | 54°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph ENE | 18% |
| Tuesday | 63°F | Slight Chance Rain Showers | 15 mph NE | 17% |
| Tuesday Night | 54°F | Mostly Cloudy | 10 to 15 mph NE | 12% |
| Wednesday | 65°F | Partly Sunny | 10 to 15 mph NE | 14% |
| Wednesday Night | 55°F | Mostly Cloudy | 5 to 10 mph NNE | 6% |
| Thursday | 66°F | Partly Sunny | 5 to 10 mph NNE | 3% |
| Thursday Night | 56°F | Mostly Cloudy | 5 to 10 mph NNE | 3% |
| Friday | 69°F | Mostly Sunny | 5 to 10 mph NNE | 3% |
| Friday Night | 56°F | Partly Cloudy | 0 to 10 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Merrionette Park (41.681, -87.701). Updated through the day.
Growing snapshot for Merrionette Park
Last spring frost
Apr 10
First fall frost
Nov 1
Growing season
203 days
Hardiness zone
6a
More local growing data for Merrionette Park: nearby ZIP 60655 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Alsip
Arbury Hills
Arlington Heights
Barrington
Barrington Hills
Bedford Park
Bellwood
Berkeley
Berwyn
Blue Island
Bridgeview
Broadview
Brookfield
Burbank
Burnham
Calumet City
Calumet Park
Chicago
Chicago Heights
Chicago Ridge
Cicero
Country Club Hills
Countryside
Crestwood
Crete
Des Plaines
Dixmoor
Dolton
East Hazel Crest
Elk Grove Village
Climate data from the nearest NOAA station, Chicago Midway Ap 3Sw, Il (4.8 mi from Merrionette Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.