Maquon, IL Weather & Growing Conditions
This Afternoon
83°F
Mostly Cloudy
Mostly cloudy, with a high near 83. South wind around 8 mph, with gusts as high as 16 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Mostly Cloudy | 8 mph S | 8% |
| Tonight | 67°F | Chance Showers And Thunderstorms | 3 to 7 mph SE | 57% |
| Sunday | 75°F | Showers And Thunderstorms Likely | 3 to 13 mph NNE | 64% |
| Sunday Night | 58°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 54% |
| Monday | 65°F | Rain Showers Likely | 13 mph ENE | 74% |
| Monday Night | 54°F | Rain Showers Likely | 8 to 12 mph NE | 65% |
| Tuesday | 64°F | Chance Rain Showers | 10 mph NE | 51% |
| Tuesday Night | 50°F | Mostly Cloudy | 3 to 10 mph NNE | 11% |
| Wednesday | 66°F | Partly Sunny | 5 to 8 mph NNE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 1 to 6 mph NNE | 1% |
| Thursday | 70°F | Partly Sunny | 1 to 5 mph NNE | 2% |
| Thursday Night | 55°F | Slight Chance Rain Showers | 0 to 3 mph NNE | 15% |
| Friday | 74°F | Slight Chance Rain Showers then Partly Sunny | 1 to 5 mph NE | 15% |
| Friday Night | 55°F | Partly Cloudy | 0 to 3 mph NE | 7% |
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.