Hanover Park, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hanover Park, a village in Dupage County, Illinois.
Overnight
63°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 5am, then showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy. Low around 63, with temperatures rising to around 65 overnight. East southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Hanover Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Showers And Thunderstorms Likely | 10 mph ESE | 78% |
| Saturday | 76°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph SE | 100% |
| Saturday Night | 63°F | Showers And Thunderstorms | 5 to 10 mph E | 95% |
| Sunday | 69°F | Showers And Thunderstorms Likely | 10 to 15 mph NNE | 60% |
| Sunday Night | 56°F | Chance Rain Showers | 15 mph NE | 26% |
| Monday | 63°F | Chance Rain Showers | 15 mph ENE | 29% |
| Monday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 21% |
| Tuesday | 62°F | Slight Chance Rain Showers | 10 to 15 mph NE | 15% |
| Tuesday Night | 52°F | Mostly Cloudy | 5 to 15 mph NE | 8% |
| Wednesday | 64°F | Partly Sunny | 10 mph NE | 13% |
| Wednesday Night | 53°F | Mostly Cloudy | 5 to 10 mph NNE | 4% |
| Thursday | 66°F | Partly Sunny | 5 to 10 mph NNE | 4% |
| Thursday Night | 53°F | Mostly Cloudy | 5 mph NNE | 4% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph NE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Hanover Park (41.982, -88.143). Updated through the day.
Growing snapshot for Hanover Park
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
5b
More local growing data for Hanover Park: nearby ZIP 60133 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Streamwood, Il (3.8 mi from Hanover Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.