Rosiclare, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rosiclare, a city in Hardin County, Illinois.
This Afternoon
78°F
Mostly Sunny
Mostly sunny. High near 78, with temperatures falling to around 75 in the afternoon. South southeast wind 12 to 15 mph, with gusts as high as 24 mph.
7-day forecast for Rosiclare
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Mostly Sunny | 12 to 15 mph SSE | 3% |
| Tonight | 57°F | Showers And Thunderstorms | 6 to 12 mph S | 99% |
| Wednesday | 70°F | Partly Sunny | 5 to 9 mph SW | 11% |
| Wednesday Night | 42°F | Partly Cloudy | 0 to 3 mph SW | 0% |
| Thursday | 69°F | Sunny | 0 to 6 mph SW | 0% |
| Thursday Night | 43°F | Partly Cloudy | 1 mph NW | 2% |
| Friday | 63°F | Partly Sunny | 1 to 7 mph NNW | 4% |
| Friday Night | 37°F | Partly Cloudy | 1 to 5 mph NNW | 1% |
| Saturday | 58°F | Mostly Sunny | 1 to 5 mph N | 0% |
| Saturday Night | 33°F | Partly Cloudy | 1 mph N | 1% |
| Sunday | 61°F | Sunny | 0 to 5 mph WNW | 5% |
| Sunday Night | 32°F | Mostly Clear | 2 mph NW | 7% |
| Monday | 64°F | Sunny | 1 to 6 mph WNW | 2% |
| Monday Night | 35°F | Mostly Clear | 0 to 3 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Rosiclare (37.426, -88.352). Updated through the day.
Growing snapshot for Rosiclare
Last spring frost
Apr 19
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
7a
More local growing data for Rosiclare: nearby ZIP 62982 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rosiclare 5Nw, Il (4.3 mi from Rosiclare). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.