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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.

Today
92°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 11am, then showers and thunderstorms likely between 11am and noon, then a chance of showers and thunderstorms between noon and 1pm, then a chance of showers and thunderstorms between 1pm and 2pm, then a slight chance of showers and thunderstorms between 2pm and 3pm. Partly sunny, with a high near 92. West southwest wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Trilla

WhenTempForecastWindPrecip
Today 92°F Chance Showers And Thunderstorms 5 to 8 mph WSW 59%
Tonight 70°F Mostly Cloudy 5 mph S 7%
Sunday 88°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 9 mph NNW 33%
Sunday Night 61°F Chance Showers And Thunderstorms 8 to 12 mph NE 61%
Monday 72°F Showers And Thunderstorms Likely 13 mph NE 69%
Monday Night 55°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 9 to 14 mph NE 52%
Tuesday 68°F Slight Chance Showers And Thunderstorms 13 mph NNE 27%
Tuesday Night 53°F Chance Showers And Thunderstorms then Mostly Cloudy 6 to 12 mph NNE 27%
Wednesday 71°F Mostly Sunny 10 mph NNE 5%
Wednesday Night 54°F Partly Cloudy 5 to 9 mph N 3%
Thursday 72°F Mostly Sunny 6 to 9 mph N 2%
Thursday Night 55°F Partly Cloudy 3 to 8 mph NNE 3%
Friday 74°F Mostly Sunny 6 to 9 mph NE 2%
Friday Night 53°F Mostly Clear 7 mph NE 2%

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.