Glenwood, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glenwood, a village in Cook County, Illinois.
Today
65°F
Slight Chance Drizzle then Slight Chance Rain Showers
A slight chance of drizzle before 1pm, then a slight chance of rain showers and a slight chance of drizzle. Mostly cloudy. High near 65, with temperatures falling to around 58 in the afternoon. Southwest wind around 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Glenwood
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 65°F | Slight Chance Drizzle then Slight Chance Rain Showers | 15 mph SW | 13% |
| Tonight | 46°F | Slight Chance Rain | 10 to 15 mph SW | 18% |
| Thursday | 56°F | Mostly Cloudy then Chance Rain | 10 to 15 mph WSW | 47% |
| Thursday Night | 39°F | Rain Likely then Cloudy | 10 mph NW | 70% |
| Friday | 50°F | Partly Sunny | 10 to 15 mph NNW | 11% |
| Friday Night | 36°F | Partly Cloudy | 5 to 10 mph NNW | 4% |
| Saturday | 52°F | Mostly Sunny | 5 mph NW | 2% |
| Saturday Night | 34°F | Partly Cloudy | 0 to 5 mph W | 0% |
| Sunday | 56°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 35°F | Mostly Clear | 5 mph W | 2% |
| Monday | 60°F | Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 5 mph WSW | 1% |
| Tuesday | 62°F | Sunny | 5 mph WNW | 0% |
| Tuesday Night | 39°F | Partly Cloudy | 0 to 5 mph WNW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Glenwood (41.541, -87.612). Updated through the day.
Growing snapshot for Glenwood
Last spring frost
Apr 23
First fall frost
Oct 20
Growing season
179 days
Hardiness zone
6a
More local growing data for Glenwood: nearby ZIP 60425 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Park Forest, Il (4.9 mi from Glenwood). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.