Trilla, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trilla, a community in Cumberland County, Illinois.
Tonight
56°F
Rain
Rain before 1am, then rain showers. Mostly cloudy, with a low around 56. South wind 13 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Trilla
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Rain | 13 to 18 mph S | 94% |
| Wednesday | 63°F | Slight Chance Rain Showers then Mostly Cloudy | 9 to 14 mph SW | 20% |
| Wednesday Night | 44°F | Mostly Cloudy | 7 mph WSW | 0% |
| Thursday | 63°F | Sunny | 7 to 13 mph WSW | 1% |
| Thursday Night | 44°F | Mostly Cloudy | 5 mph WNW | 4% |
| Friday | 57°F | Partly Sunny | 5 to 9 mph NNW | 11% |
| Friday Night | 38°F | Partly Cloudy | 3 to 7 mph NNW | 5% |
| Saturday | 55°F | Mostly Sunny | 5 mph NW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph WNW | 2% |
| Sunday | 60°F | Sunny | 2 to 8 mph WNW | 9% |
| Sunday Night | 35°F | Mostly Clear | 5 mph NW | 6% |
| Monday | 63°F | Sunny | 3 to 9 mph WSW | 4% |
| Monday Night | 39°F | Mostly Clear | 5 mph WSW | 1% |
| Tuesday | 67°F | Sunny | 7 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.