Trilla, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Trilla, a community in Cumberland County, Illinois.
Overnight
62°F
Patchy Fog
Patchy fog. Clear, with a low around 62. East southeast wind around 2 mph.
7-day forecast for Trilla
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Patchy Fog | 2 mph ESE | 0% |
| Tuesday | 85°F | Patchy Fog then Sunny | 1 to 5 mph SSE | 0% |
| Tuesday Night | 65°F | Mostly Clear | 3 mph SE | 0% |
| Wednesday | 86°F | Sunny | 1 to 6 mph S | 1% |
| Wednesday Night | 67°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph S | 36% |
| Thursday | 83°F | Showers And Thunderstorms Likely | 3 to 7 mph SSW | 67% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 1 to 5 mph S | 37% |
| Friday | 83°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 24% |
| Friday Night | 66°F | Slight Chance Showers And Thunderstorms | 3 mph SSW | 20% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms | 5 mph SSW | 18% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph SSW | 16% |
| Sunday | 87°F | Sunny | 6 to 10 mph SSW | 8% |
| Sunday Night | 71°F | Mostly Clear | 8 mph SSW | 8% |
| Monday | 88°F | Mostly Sunny | 7 to 10 mph SW | 11% |
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 Aug 4, 2026.