Maryville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Maryville, a village in Madison County, Illinois.
This Afternoon
72°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 67 in the afternoon. South wind 18 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.
7-day forecast for Maryville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Rain | 18 to 22 mph S | 92% |
| Tonight | 55°F | Rain | 9 to 18 mph S | 98% |
| Wednesday | 64°F | Chance Rain Showers then Mostly Cloudy | 8 to 14 mph W | 12% |
| Wednesday Night | 46°F | Partly Cloudy | 6 mph SW | 0% |
| Thursday | 66°F | Sunny | 6 to 10 mph W | 1% |
| Thursday Night | 46°F | Mostly Cloudy | 6 mph NW | 8% |
| Friday | 58°F | Mostly Cloudy | 6 to 10 mph NW | 7% |
| Friday Night | 41°F | Partly Cloudy | 2 to 7 mph N | 1% |
| Saturday | 56°F | Mostly Sunny | 5 mph NW | 0% |
| Saturday Night | 38°F | Partly Cloudy | 2 mph NW | 0% |
| Sunday | 62°F | Sunny | 2 to 7 mph W | 8% |
| Sunday Night | 38°F | Mostly Clear | 5 mph W | 5% |
| Monday | 66°F | Sunny | 2 to 8 mph SW | 2% |
| Monday Night | 42°F | Mostly Clear | 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Maryville (38.729, -89.966). Updated through the day.
Growing snapshot for Maryville
Last spring frost
Apr 4
First fall frost
Nov 5
Growing season
214 days
Hardiness zone
7a
More local growing data for Maryville: nearby ZIP 62062 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 (14 mi from Maryville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.