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Tremont, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Tremont, a village in Tazewell County, Illinois.

This Afternoon
70°F
Light Rain
Rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 70. South wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Tremont

WhenTempForecastWindPrecip
This Afternoon 70°F Light Rain 18 mph S 79%
Tonight 53°F Light Rain 14 to 20 mph S 82%
Wednesday 60°F Slight Chance Light Rain then Mostly Cloudy 13 to 16 mph SW 22%
Wednesday Night 44°F Mostly Cloudy 12 mph SW 3%
Thursday 59°F Partly Sunny 9 to 14 mph WSW 8%
Thursday Night 42°F Mostly Cloudy then Chance Light Rain 3 to 8 mph NW 27%
Friday 55°F Mostly Cloudy then Slight Chance Light Rain 10 mph N 17%
Friday Night 35°F Partly Cloudy 1 to 8 mph NNW 4%
Saturday 53°F Mostly Sunny 1 to 5 mph WNW 2%
Saturday Night 33°F Partly Cloudy 2 mph W 3%
Sunday 60°F Sunny 2 to 9 mph W 13%
Sunday Night 34°F Mostly Clear 2 to 7 mph W 5%
Monday 64°F Sunny 2 to 12 mph SW 2%
Monday Night 39°F Mostly Clear 3 to 8 mph WSW 1%

Forecast source: National Weather Service (api.weather.gov) for Tremont (40.525, -89.489). Updated through the day.

Growing snapshot for Tremont

Last spring frost
Apr 21
First fall frost
Oct 17
Growing season
178 days
Hardiness zone
6a

More local growing data for Tremont: nearby ZIP 61568 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Congerville 2Nw, Il (14.7 mi from Tremont). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.