Glencoe, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glencoe, a village in Cook County, Illinois.
This Afternoon
70°F
Chance Rain
A chance of rain before 3pm, then a chance of rain and a slight chance of thunderstorms. Mostly cloudy. High near 70, with temperatures falling to around 67 in the afternoon. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 30%.
7-day forecast for Glencoe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Chance Rain | 15 to 20 mph S | 34% |
| Tonight | 60°F | Rain Likely | 15 mph SSE | 73% |
| Wednesday | 63°F | Rain Likely | 15 mph SSW | 60% |
| Wednesday Night | 49°F | Slight Chance Rain then Mostly Cloudy | 15 mph SW | 17% |
| Thursday | 56°F | Chance Rain | 10 to 15 mph WSW | 30% |
| Thursday Night | 43°F | Rain Likely | 5 to 15 mph WNW | 62% |
| Friday | 52°F | Chance Rain | 15 mph N | 40% |
| Friday Night | 40°F | Slight Chance Rain then Mostly Cloudy | 5 to 15 mph NNW | 17% |
| Saturday | 52°F | Mostly Sunny | 5 mph WNW | 10% |
| Saturday Night | 39°F | Partly Cloudy | 5 mph WSW | 7% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Rain | 5 to 10 mph W | 17% |
| Sunday Night | 40°F | Mostly Clear | 5 to 10 mph WNW | 11% |
| Monday | 58°F | Sunny | 5 to 15 mph WSW | 7% |
| Monday Night | 43°F | Mostly Clear | 10 mph W | 3% |
Forecast source: National Weather Service (api.weather.gov) for Glencoe (42.134, -87.763). Updated through the day.
Growing snapshot for Glencoe
Last spring frost
Apr 26
First fall frost
Oct 21
Growing season
176 days
Hardiness zone
6a
More local growing data for Glencoe: nearby ZIP 60022 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Chicago Botanic Garden, Il (1.3 mi from Glencoe). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.