Madison, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Madison, a city in Madison County, Illinois.
This Afternoon
73°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 73, with temperatures falling to around 68 in the afternoon. South wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%.
7-day forecast for Madison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Rain | 17 to 22 mph S | 97% |
| Tonight | 54°F | Rain | 8 to 17 mph S | 99% |
| Wednesday | 65°F | Chance Rain Showers then Mostly Cloudy | 7 to 13 mph W | 11% |
| Wednesday Night | 47°F | Partly Cloudy | 6 mph SW | 0% |
| Thursday | 70°F | Sunny | 5 to 9 mph SW | 3% |
| Thursday Night | 48°F | Slight Chance Light Rain then Mostly Cloudy | 5 mph W | 24% |
| Friday | 63°F | Partly Sunny | 5 to 10 mph NW | 5% |
| Friday Night | 44°F | Partly Cloudy | 2 to 6 mph N | 1% |
| Saturday | 61°F | Partly Sunny | 5 mph NW | 0% |
| Saturday Night | 41°F | Partly Cloudy | 2 mph NW | 1% |
| Sunday | 61°F | Mostly Sunny | 2 to 8 mph W | 7% |
| Sunday Night | 39°F | Partly Cloudy | 2 to 6 mph W | 6% |
| Monday | 64°F | Sunny | 3 to 7 mph W | 3% |
| Monday Night | 41°F | Clear | 3 mph SW | 4% |
Forecast source: National Weather Service (api.weather.gov) for Madison (38.686, -90.102). Updated through the day.
Growing snapshot for Madison
Last spring frost
Apr 8
First fall frost
Oct 26
Growing season
200 days
Hardiness zone
7a
More local growing data for Madison: nearby ZIP 62040 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Holiday Shores
Livingston
Marine
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Climate data from the nearest NOAA station, Cahokia St Louis Ap, Il (10.4 mi from Madison). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.