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Trilla, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Trilla, a community in Cumberland County, Illinois.

This Afternoon
92°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 92. West southwest wind 3 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Trilla

WhenTempForecastWindPrecip
This Afternoon 92°F Slight Chance Showers And Thunderstorms 3 to 7 mph WSW 29%
Tonight 70°F Mostly Cloudy 3 to 7 mph SSE 14%
Sunday 89°F Partly Sunny then Slight Chance Showers And Thunderstorms 6 to 10 mph WNW 23%
Sunday Night 62°F Chance Showers And Thunderstorms 8 to 13 mph NNE 46%
Monday 74°F Showers And Thunderstorms Likely 8 to 12 mph NE 60%
Monday Night 56°F Chance Rain Showers 8 to 12 mph NE 39%
Tuesday 69°F Chance Rain Showers 12 mph NE 29%
Tuesday Night 53°F Mostly Cloudy 6 to 12 mph NNE 11%
Wednesday 70°F Partly Sunny 9 mph N 11%
Wednesday Night 54°F Partly Cloudy 3 to 9 mph N 1%
Thursday 73°F Partly Sunny 7 mph N 1%
Thursday Night 56°F Mostly Cloudy 2 to 6 mph NNE 4%
Friday 76°F Partly Sunny then Slight Chance Rain Showers 5 to 8 mph NNE 15%
Friday Night 54°F Slight Chance Rain Showers then Partly Cloudy 6 mph NE 15%

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

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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 Sep 19, 2026.