Hanover Park, IL Weather & Growing Conditions
Today
63°F
Patchy Drizzle
Patchy drizzle and isolated rain showers. Mostly cloudy. High near 63, with temperatures falling to around 55 in the afternoon. Southwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Patchy Drizzle | 15 mph SW | 23% |
| Tonight | 48°F | Patchy Drizzle then Mostly Cloudy | 15 mph SW | 13% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph WSW | 35% |
| Thursday Night | 41°F | Chance Rain Showers | 10 mph NW | 51% |
| Friday | 50°F | Partly Sunny | 10 to 15 mph NNW | 12% |
| Friday Night | 34°F | Partly Cloudy | 5 to 10 mph NNW | 1% |
| Saturday | 51°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 1% |
| Monday | 59°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Partly Cloudy | 5 to 10 mph WSW | 1% |
| Tuesday | 61°F | Sunny | 5 mph WNW | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 0 to 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hanover Park, IL
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
5b
Explore more for Hanover Park, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Streamwood, Il (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.