Addison, IL Weather & Growing Conditions
Overnight
61°F
Chance Rain Showers
A chance of rain showers. Cloudy. Low around 61, with temperatures rising to around 63 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Chance Rain Showers | 15 mph S | 53% |
| Wednesday | 63°F | Scattered Rain Showers then Patchy Drizzle | 15 mph SSW | 34% |
| Wednesday Night | 48°F | Patchy Drizzle then Mostly Cloudy | 15 mph SW | 13% |
| Thursday | 56°F | Chance Rain Showers | 10 to 15 mph WSW | 35% |
| Thursday Night | 42°F | Chance Rain Showers | 10 to 15 mph NW | 53% |
| Friday | 50°F | Partly Sunny | 10 to 15 mph NNW | 13% |
| Friday Night | 36°F | Partly Cloudy | 5 to 10 mph NNW | 2% |
| Saturday | 51°F | Mostly Sunny | 5 mph NW | 1% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 0% |
| Sunday | 55°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 37°F | Mostly Clear | 5 mph W | 1% |
| Monday | 59°F | Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 41°F | Partly Cloudy | 5 to 10 mph WSW | 1% |
| Tuesday | 61°F | Sunny | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Addison, IL
Last spring frost
Apr 16
First fall frost
Oct 28
Growing season
193 days
Hardiness zone
6a
Explore more for Addison, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Chicago Ohare Intl Ap, Il (5.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.