Maquon, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Maquon, a village in Knox County, Illinois.
Overnight
61°F
Mostly Clear
Mostly clear, with a low around 61. South southeast wind around 2 mph.
7-day forecast for Maquon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Mostly Clear | 2 mph SSE | 0% |
| Tuesday | 88°F | Mostly Sunny | 2 to 7 mph S | 0% |
| Tuesday Night | 67°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSE | 34% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 1 to 5 mph SSW | 60% |
| Wednesday Night | 65°F | Showers And Thunderstorms | 1 to 5 mph N | 85% |
| Thursday | 81°F | Showers And Thunderstorms Likely | 3 mph NE | 71% |
| Thursday Night | 63°F | Partly Cloudy | 2 mph NE | 9% |
| Friday | 83°F | Mostly Sunny | 1 mph S | 12% |
| Friday Night | 65°F | Mostly Clear | 0 mph | 13% |
| Saturday | 86°F | Sunny | 1 to 5 mph SSW | 12% |
| Saturday Night | 70°F | Mostly Clear | 2 to 6 mph S | 9% |
| Sunday | 88°F | Sunny | 6 to 10 mph SSW | 8% |
| Sunday Night | 71°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 9 mph SSW | 27% |
| Monday | 88°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 9 mph SSW | 27% |
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
Nearby towns & communities
Abingdon
Altona
East Galesburg
Galesburg
Gilson
Henderson
Knoxville
Nekoma
Oak Run
Oneida
Rio
St. Augustine
Victoria
Wataga
Williamsfield
Yates City
Climate data from the nearest NOAA station, Knoxville, Il (10 mi from Maquon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.