Rosiclare, IL Weather & Growing Conditions
Today
86°F
Sunny
Sunny. High near 86, with temperatures falling to around 84 in the afternoon. East northeast wind 0 to 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 0 to 3 mph ENE | 0% |
| Tonight | 64°F | Mostly Clear | 2 mph NNE | 0% |
| Wednesday | 88°F | Sunny | 1 mph SW | 0% |
| Wednesday Night | 68°F | Mostly Clear | 1 mph SSW | 0% |
| Thursday | 89°F | Mostly Sunny | 3 mph SSW | 13% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 2 mph S | 34% |
| Friday | 88°F | Chance Showers And Thunderstorms | 1 to 5 mph SSW | 38% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 2 mph WSW | 35% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 3 mph SW | 31% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SSW | 25% |
| Sunday | 89°F | Mostly Sunny | 1 to 5 mph SSW | 13% |
| Sunday Night | 71°F | Mostly Clear | 2 mph SSW | 8% |
| Monday | 91°F | Sunny | 2 to 6 mph SSW | 5% |
| Monday Night | 73°F | Mostly Clear | 3 mph SSW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rosiclare, IL
Last spring frost
Apr 19
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
7a
Explore more for Rosiclare, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Rosiclare 5Nw, Il (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.