Marine, IL Weather & Growing Conditions
Overnight
73°F
Clear
Clear, with a low around 73. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 73°F | Clear | 5 mph SE | 5% |
| Saturday | 96°F | Mostly Sunny | 2 to 8 mph SW | 6% |
| Saturday Night | 72°F | Partly Cloudy | 5 mph S | 3% |
| Sunday | 92°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 2 to 7 mph W | 24% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 6 to 10 mph NE | 56% |
| Monday | 78°F | Showers And Thunderstorms Likely | 6 to 13 mph NE | 67% |
| Monday Night | 58°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 7 to 13 mph NE | 59% |
| Tuesday | 71°F | Slight Chance Rain Showers then Partly Sunny | 13 mph NE | 19% |
| Tuesday Night | 54°F | Mostly Cloudy | 5 to 13 mph N | 9% |
| Wednesday | 74°F | Mostly Sunny | 7 to 12 mph N | 3% |
| Wednesday Night | 54°F | Partly Cloudy | 2 to 10 mph N | 0% |
| Thursday | 76°F | Mostly Sunny | 3 to 9 mph N | 1% |
| Thursday Night | 57°F | Partly Cloudy | 2 to 9 mph NE | 3% |
| Friday | 78°F | Mostly Sunny | 3 to 9 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Marine, IL
Last spring frost
Apr 12
First fall frost
Oct 20
Growing season
189 days
Hardiness zone
6b
Explore more for Marine, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Belleville Siu Rsch, Il (19.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.