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Maryville, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Maryville, a village in Madison County, Illinois.

Tonight
55°F
Chance Light Rain
A chance of rain before 3am, then a slight chance of drizzle. Mostly cloudy, with a low around 55. Southwest wind around 12 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

7-day forecast for Maryville

WhenTempForecastWindPrecip
Tonight 55°F Chance Light Rain 12 mph SW 54%
Wednesday 63°F Slight Chance Drizzle then Mostly Cloudy 8 to 14 mph W 12%
Wednesday Night 46°F Partly Cloudy 6 mph W 0%
Thursday 64°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%
Tuesday 69°F Sunny 6 mph W 0%

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 4, 2026.