Carlinville, IL Weather & Growing Conditions
This Afternoon
72°F
Rain
Rain and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 65 in the afternoon. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Rain | 15 mph S | 95% |
| Tonight | 51°F | Rain | 8 to 18 mph S | 94% |
| Wednesday | 61°F | Chance Rain Showers then Mostly Cloudy | 8 to 14 mph SW | 12% |
| Wednesday Night | 39°F | Partly Cloudy | 7 mph SW | 0% |
| Thursday | 63°F | Sunny | 5 to 10 mph W | 3% |
| Thursday Night | 39°F | Mostly Cloudy then Slight Chance T-storms | 5 mph NW | 20% |
| Friday | 57°F | Mostly Cloudy | 5 to 8 mph NW | 6% |
| Friday Night | 34°F | Mostly Cloudy | 1 to 6 mph N | 2% |
| Saturday | 55°F | Mostly Sunny | 3 mph NW | 1% |
| Saturday Night | 31°F | Partly Cloudy | 1 mph NW | 1% |
| Sunday | 61°F | Sunny | 1 to 6 mph W | 7% |
| Sunday Night | 32°F | Mostly Clear | 1 to 5 mph W | 4% |
| Monday | 65°F | Sunny | 2 to 7 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 Carlinville, IL
Last spring frost
Apr 14
First fall frost
Oct 21
Growing season
188 days
Hardiness zone
6b
Explore more for Carlinville, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Carlinville, Il (0.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.