Glen Ellyn, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glen Ellyn, a village in Dupage County, Illinois.
Tonight
60°F
Rain Showers
Rain showers. Cloudy. Low around 60, with temperatures rising to around 62 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Glen Ellyn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Rain Showers | 15 mph S | 88% |
| Wednesday | 63°F | Rain Showers Likely | 15 mph SSW | 59% |
| Wednesday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 15 mph SW | 16% |
| Thursday | 56°F | Chance Rain Showers | 10 to 15 mph WSW | 28% |
| Thursday Night | 44°F | Chance Rain Showers | 5 to 10 mph WNW | 40% |
| Friday | 52°F | Chance Rain Showers | 10 to 15 mph N | 27% |
| Friday Night | 38°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 | 38°F | Mostly Clear | 5 to 10 mph W | 9% |
| Monday | 60°F | Sunny | 5 to 10 mph WSW | 3% |
| Monday Night | 42°F | Mostly Clear | 5 to 10 mph WSW | 2% |
| Tuesday | 61°F | Mostly Sunny | 5 to 10 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Glen Ellyn (41.867, -88.063). Updated through the day.
Growing snapshot for Glen Ellyn
Last spring frost
Apr 28
First fall frost
Oct 16
Growing season
169 days
Hardiness zone
5b
More local growing data for Glen Ellyn: nearby ZIP 60137 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Bloomingdale
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Itasca
Lisle
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Oakbrook Terrace
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West Chicago
Westmont
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Wood Dale
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Climate data from the nearest NOAA station, Lisle-Morton Arboretum, Il (3.7 mi from Glen Ellyn). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.