East Alton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for East Alton, a village in Madison County, Illinois.
Overnight
73°F
Mostly Clear
Mostly clear, with a low around 73. Southeast wind around 3 mph.
7-day forecast for East Alton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Mostly Clear | 3 mph SE | 4% |
| Saturday | 99°F | Partly Sunny | 3 to 8 mph SW | 6% |
| Saturday Night | 73°F | Partly Cloudy | 5 mph SW | 4% |
| Sunday | 93°F | Chance Rain Showers then Chance Showers And Thunderstorms | 3 to 8 mph NW | 34% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 6 to 12 mph NE | 64% |
| Monday | 79°F | Showers And Thunderstorms Likely | 6 to 13 mph NE | 66% |
| Monday Night | 59°F | Chance Showers And Thunderstorms | 7 to 13 mph NE | 50% |
| Tuesday | 73°F | Slight Chance Rain Showers then Partly Sunny | 9 to 13 mph NE | 19% |
| Tuesday Night | 54°F | Mostly Cloudy | 6 to 13 mph N | 7% |
| Wednesday | 75°F | Mostly Sunny | 8 to 12 mph N | 1% |
| Wednesday Night | 55°F | Partly Cloudy | 3 to 10 mph N | 0% |
| Thursday | 78°F | Mostly Sunny | 5 to 9 mph N | 1% |
| Thursday Night | 57°F | Partly Cloudy | 3 to 9 mph NE | 3% |
| Friday | 79°F | Mostly Sunny | 3 to 8 mph NE | 6% |
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
Nearby towns & communities
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Madison
Marine
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Mitchell
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South Roxana
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Wood River
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 Sep 19, 2026.