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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.