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Maquon, IL Weather & Growing Conditions

Today
85°F
Chance Showers And Thunderstorms then Mostly Cloudy
A chance of showers and thunderstorms before 11am. Mostly cloudy, with a high near 85. Southeast wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Today 85°F Chance Showers And Thunderstorms then Mostly Cloudy 7 mph SE 27%
Tonight 68°F Showers And Thunderstorms Likely 1 to 5 mph SW 81%
Sunday 75°F Showers And Thunderstorms Likely 2 to 13 mph N 72%
Sunday Night 58°F Chance Showers And Thunderstorms 10 to 14 mph NE 60%
Monday 66°F Showers And Thunderstorms Likely 14 mph ENE 64%
Monday Night 53°F Chance Rain Showers 8 to 13 mph NE 48%
Tuesday 64°F Chance Rain Showers 13 mph NE 26%
Tuesday Night 49°F Partly Cloudy 5 to 10 mph NNE 8%
Wednesday 68°F Mostly Sunny 8 mph NNE 3%
Wednesday Night 52°F Partly Cloudy 1 to 6 mph NNE 1%
Thursday 70°F Partly Sunny 5 mph NNE 6%
Thursday Night 54°F Mostly Cloudy 3 mph NE 5%
Friday 73°F Mostly Sunny 2 to 6 mph NE 3%
Friday Night 54°F Partly Cloudy 1 to 5 mph ENE 3%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Maquon, IL

Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
5b

Explore more for Maquon, IL: full frost dates · planting calendar · Illinois frost dates

Climate data from the nearest NOAA station, Knoxville, Il (10 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.