Trilla, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trilla, a community in Cumberland County, Illinois.
Overnight
59°F
Light Rain
Rain. Cloudy, with a low around 59. South wind 12 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Trilla
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Light Rain | 12 to 16 mph S | 88% |
| Wednesday | 63°F | Areas Of Drizzle | 10 to 14 mph SW | 27% |
| Wednesday Night | 46°F | Patchy Drizzle then Mostly Cloudy | 9 mph WSW | 10% |
| Thursday | 62°F | Mostly Sunny | 9 to 14 mph WSW | 3% |
| Thursday Night | 44°F | Mostly Cloudy | 5 mph WNW | 1% |
| Friday | 54°F | Partly Sunny | 6 to 10 mph NNW | 5% |
| Friday Night | 35°F | Partly Cloudy | 3 to 8 mph NNW | 0% |
| Saturday | 53°F | Sunny | 6 mph NNW | 0% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph NW | 0% |
| Sunday | 59°F | Sunny | 2 to 8 mph WNW | 2% |
| Sunday Night | 34°F | Clear | 3 mph W | 0% |
| Monday | 63°F | Sunny | 1 to 7 mph SW | 0% |
| Monday Night | 39°F | Clear | 3 mph SW | 0% |
| Tuesday | 66°F | Sunny | 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Trilla (39.375, -88.351). Updated through the day.
Growing snapshot for Trilla
Last spring frost
Apr 11
First fall frost
Oct 29
Growing season
199 days
Hardiness zone
6b
More local growing data for Trilla: nearby ZIP 62469 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mattoon, Il (8.5 mi from Trilla). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.