Meredosia, IL Weather & Growing Conditions
Today
89°F
Sunny
Sunny, with a high near 89. South wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 89°F | Sunny | 6 mph S | 0% |
| Tonight | 69°F | Partly Cloudy | 6 mph SSE | 5% |
| Wednesday | 88°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph S | 38% |
| Wednesday Night | 67°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph E | 79% |
| Thursday | 84°F | Showers And Thunderstorms | 3 mph SSW | 79% |
| Thursday Night | 65°F | Partly Cloudy | 2 mph SE | 14% |
| Friday | 85°F | Mostly Sunny | 1 mph WSW | 7% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 2 mph S | 25% |
| Saturday | 88°F | Slight Chance Showers And Thunderstorms then Sunny | 1 to 5 mph SSW | 24% |
| Saturday Night | 71°F | Mostly Clear | 3 to 8 mph SSW | 7% |
| Sunday | 91°F | Sunny | 8 to 12 mph SSW | 3% |
| Sunday Night | 72°F | Mostly Clear | 7 to 10 mph SSW | 14% |
| Monday | 91°F | Mostly Sunny | 7 to 10 mph SSW | 14% |
| Monday Night | 73°F | Slight Chance Showers And Thunderstorms | 9 mph SSW | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Meredosia, IL
Last spring frost
Apr 18
First fall frost
Oct 20
Growing season
183 days
Hardiness zone
6a
Explore more for Meredosia, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Winchester, Il (13.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.