Glendale Heights, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glendale Heights, a village in Dupage County, Illinois.
This Afternoon
70°F
Chance Rain
A chance of rain and a slight chance of thunderstorms. Mostly cloudy. High near 70, with temperatures falling to around 68 in the afternoon. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Glendale Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Chance Rain | 15 to 20 mph S | 47% |
| Tonight | 60°F | Rain | 15 mph S | 87% |
| Wednesday | 63°F | Rain Likely | 15 mph SSW | 58% |
| Wednesday Night | 48°F | Slight Chance Rain | 15 mph SW | 17% |
| Thursday | 56°F | Chance Rain | 10 to 15 mph WSW | 30% |
| Thursday Night | 43°F | Chance Rain | 5 to 10 mph WNW | 39% |
| Friday | 52°F | Chance Rain | 10 to 15 mph N | 27% |
| Friday Night | 37°F | Mostly Cloudy | 5 to 10 mph NNW | 9% |
| Saturday | 51°F | Mostly Sunny | 5 mph WNW | 7% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph WSW | 5% |
| Sunday | 56°F | Mostly Sunny then Slight Chance Rain | 5 to 10 mph W | 15% |
| Sunday Night | 37°F | Mostly Clear | 5 to 10 mph W | 9% |
| Monday | 59°F | Sunny | 5 to 10 mph WSW | 3% |
| Monday Night | 41°F | Mostly Clear | 5 to 10 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Glendale Heights (41.919, -88.078). Updated through the day.
Growing snapshot for Glendale Heights
Last spring frost
Apr 28
First fall frost
Oct 16
Growing season
169 days
Hardiness zone
5b
More local growing data for Glendale Heights: nearby ZIP 60139 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Addison
Bartlett
Bensenville
Bloomingdale
Burr Ridge
Carol Stream
Clarendon Hills
Darien
Downers Grove
Elmhurst
Glen Ellyn
Hanover Park
Hinsdale
Itasca
Lisle
Lombard
Naperville
Oak Brook
Oakbrook Terrace
Roselle
Villa Park
Warrenville
Wayne
West Chicago
Westmont
Wheaton
Willowbrook
Winfield
Wood Dale
Woodridge
Climate data from the nearest NOAA station, Lisle-Morton Arboretum, Il (7.3 mi from Glendale Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.