Rockbridge, IL Weather & Growing Conditions
This Afternoon
73°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 73, with temperatures falling to around 65 in the afternoon. South wind around 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Light Rain | 16 mph S | 93% |
| Tonight | 50°F | Rain | 9 to 17 mph S | 92% |
| Wednesday | 61°F | Chance Rain Showers then Mostly Cloudy | 9 to 14 mph SW | 12% |
| Wednesday Night | 39°F | Partly Cloudy | 7 mph SW | 0% |
| Thursday | 63°F | Sunny | 6 to 13 mph W | 4% |
| Thursday Night | 39°F | Mostly Cloudy then Slight Chance T-storms | 2 to 6 mph NW | 22% |
| Friday | 57°F | Mostly Cloudy | 5 to 9 mph NW | 6% |
| Friday Night | 33°F | Mostly Cloudy | 1 to 7 mph N | 2% |
| Saturday | 56°F | Mostly Sunny | 3 mph NW | 0% |
| Saturday Night | 31°F | Partly Cloudy | 1 mph NW | 0% |
| Sunday | 62°F | Sunny | 1 to 7 mph W | 7% |
| Sunday Night | 32°F | Mostly Clear | 1 to 5 mph W | 4% |
| Monday | 66°F | Sunny | 2 to 8 mph SW | 2% |
| Monday Night | 36°F | Mostly Clear | 5 mph SW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Rockbridge, IL
Last spring frost
Apr 14
First fall frost
Oct 19
Growing season
187 days
Hardiness zone
6b
Explore more for Rockbridge, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Jerseyville 2 Sw, Il (12.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.