Andalusia, IL Weather & Growing Conditions
Overnight
70°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4am, then patchy fog and a chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Chance Showers And Thunderstorms | 5 mph SE | 30% |
| Saturday | 83°F | Patchy Fog | 5 to 10 mph SE | 74% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 to 10 mph W | 87% |
| Sunday | 71°F | Showers And Thunderstorms | 10 to 15 mph NE | 78% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 50% |
| Monday | 65°F | Rain Showers Likely | 15 mph NE | 56% |
| Monday Night | 54°F | Chance Rain Showers | 10 to 15 mph NE | 46% |
| Tuesday | 63°F | Slight Chance Rain Showers | 10 to 15 mph NE | 23% |
| Tuesday Night | 51°F | Partly Cloudy | 5 to 10 mph NE | 5% |
| Wednesday | 67°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Wednesday Night | 54°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Thursday | 69°F | Mostly Sunny | 5 mph NE | 4% |
| Thursday Night | 56°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Friday | 72°F | Mostly Sunny | 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Andalusia, IL
Last spring frost
Apr 19
First fall frost
Oct 22
Growing season
184 days
Hardiness zone
5b
Explore more for Andalusia, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Rock Island L&D 15, Il (10.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.