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Maquon, IL Weather & Growing Conditions

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

This Afternoon
68°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 68. South southeast wind around 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Maquon

WhenTempForecastWindPrecip
This Afternoon 68°F Light Rain 16 mph SSE 90%
Tonight 52°F Light Rain 10 to 16 mph S 77%
Wednesday 57°F Slight Chance Light Rain then Mostly Cloudy 12 to 16 mph SW 18%
Wednesday Night 45°F Mostly Cloudy 10 mph SW 6%
Thursday 57°F Mostly Cloudy then Slight Chance Light Rain 7 to 13 mph WSW 19%
Thursday Night 41°F Chance Light Rain 3 to 7 mph NW 28%
Friday 53°F Slight Chance Light Rain 6 to 9 mph N 15%
Friday Night 34°F Partly Cloudy 0 to 5 mph N 2%
Saturday 53°F Mostly Sunny 0 to 3 mph WNW 3%
Saturday Night 34°F Partly Cloudy 1 mph WNW 3%
Sunday 59°F Sunny 1 to 7 mph WNW 11%
Sunday Night 34°F Mostly Clear 3 mph WNW 3%
Monday 63°F Sunny 1 to 9 mph SW 2%
Monday Night 39°F Mostly Clear 2 to 6 mph W 0%

Forecast source: National Weather Service (api.weather.gov) for Maquon (40.798, -90.163). Updated through the day.

Growing snapshot for Maquon

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

More local growing data for Maquon: nearby ZIP 61458 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Knoxville, Il (10 mi from Maquon). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.