Marcelline, IL Weather & Growing Conditions
Overnight
66°F
Mostly Clear
Mostly clear, with a low around 66. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Mostly Clear | 5 mph SE | 0% |
| Tuesday | 90°F | Sunny | 3 to 7 mph S | 1% |
| Tuesday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 6 mph SE | 21% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 5 mph S | 64% |
| Wednesday Night | 67°F | Showers And Thunderstorms | 6 mph NE | 84% |
| Thursday | 85°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph NE | 80% |
| Thursday Night | 64°F | Partly Cloudy | 3 mph E | 3% |
| Friday | 87°F | Mostly Sunny | 2 mph SE | 3% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 3 mph S | 30% |
| Saturday | 89°F | Slight Chance Showers And Thunderstorms then Sunny | 2 to 6 mph SW | 23% |
| Saturday Night | 72°F | Mostly Clear | 5 to 8 mph S | 6% |
| Sunday | 92°F | Sunny | 8 to 12 mph SW | 5% |
| Sunday Night | 73°F | Mostly Clear | 7 to 10 mph S | 14% |
| Monday | 92°F | Mostly Sunny | 7 to 12 mph SW | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marcelline, IL
Last spring frost
Apr 11
First fall frost
Oct 23
Growing season
194 days
Hardiness zone
6a
Explore more for Marcelline, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Canton L&D 20, Mo (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.