East Alton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for East Alton, a village 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 67 in the afternoon. South wind 17 to 22 mph, with gusts as high as 35 mph. Chance of precipitation is 100%.
7-day forecast for East Alton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Rain | 17 to 22 mph S | 98% |
| Tonight | 54°F | Rain | 9 to 17 mph S | 98% |
| Wednesday | 64°F | Chance Rain Showers then Mostly Cloudy | 9 to 14 mph SW | 12% |
| Wednesday Night | 44°F | Partly Cloudy | 3 to 7 mph SW | 0% |
| Thursday | 66°F | Sunny | 5 to 13 mph W | 2% |
| Thursday Night | 44°F | Mostly Cloudy | 6 mph NW | 9% |
| Friday | 59°F | Mostly Cloudy | 6 to 10 mph NW | 5% |
| Friday Night | 39°F | Partly Cloudy | 2 to 8 mph N | 1% |
| Saturday | 57°F | Mostly Sunny | 5 mph NW | 0% |
| Saturday Night | 36°F | Partly Cloudy | 2 mph NW | 1% |
| Sunday | 62°F | Sunny | 1 to 8 mph W | 7% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 4% |
| Monday | 67°F | Sunny | 2 to 8 mph SW | 2% |
| Monday Night | 41°F | Mostly Clear | 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for East Alton (38.884, -90.108). Updated through the day.
Growing snapshot for East Alton
Last spring frost
Apr 4
First fall frost
Nov 5
Growing season
214 days
Hardiness zone
7a
More local growing data for East Alton: nearby ZIP 62024 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Alton - Melvin Price L&D, Il (3.4 mi from East Alton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.