Rockbridge, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rockbridge, a village in Greene County, Illinois.
This Afternoon
73°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 73, with temperatures falling to around 67 in the afternoon. South wind around 18 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
7-day forecast for Rockbridge
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Light Rain | 18 mph S | 94% |
| Tonight | 50°F | Rain | 8 to 17 mph S | 94% |
| 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 12 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) for Rockbridge (39.269, -90.207). Updated through the day.
Growing snapshot for Rockbridge
Last spring frost
Apr 14
First fall frost
Oct 19
Growing season
187 days
Hardiness zone
6b
More local growing data for Rockbridge: nearby ZIP 62081 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Jerseyville 2 Sw, Il (12.9 mi from Rockbridge). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.