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Wedron, IL Weather & Growing Conditions

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

Tonight
66°F
Chance Showers And Thunderstorms then Showers And Thunderstorms
A chance of showers and thunderstorms before 11pm, then showers and thunderstorms. Cloudy. Low around 66, with temperatures rising to around 70 overnight. South southeast wind 0 to 5 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

7-day forecast for Wedron

WhenTempForecastWindPrecip
Tonight 66°F Chance Showers And Thunderstorms then Showers And Thunderstorms 0 to 5 mph SSE 91%
Sunday 69°F Showers And Thunderstorms 5 to 15 mph NE 80%
Sunday Night 58°F Chance Rain Showers 10 to 15 mph NE 34%
Monday 65°F Chance Rain Showers 15 mph ENE 52%
Monday Night 54°F Chance Rain Showers 10 to 15 mph ENE 51%
Tuesday 63°F Chance Rain Showers 10 to 15 mph NE 51%
Tuesday Night 52°F Slight Chance Rain Showers then Mostly Cloudy 10 to 15 mph NE 15%
Wednesday 66°F Partly Sunny 10 mph NNE 7%
Wednesday Night 53°F Mostly Cloudy 5 to 10 mph NNE 4%
Thursday 69°F Partly Sunny 5 mph NE 5%
Thursday Night 55°F Mostly Cloudy 0 to 5 mph NE 8%
Friday 72°F Partly Sunny 5 mph NE 8%
Friday Night 54°F Partly Cloudy 0 to 5 mph NE 8%
Saturday 74°F Mostly Sunny 0 to 5 mph ENE 4%

Forecast source: National Weather Service (api.weather.gov) for Wedron (41.438, -88.775). Updated through the day.

Growing snapshot for Wedron

Last spring frost
Apr 27
First fall frost
Oct 17
Growing season
171 days
Hardiness zone
5b

More local growing data for Wedron: nearby ZIP 60557 weather · frost dates · planting calendar · Illinois frost dates

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Climate data from the nearest NOAA station, Marseilles Lock, Il (8.1 mi from Wedron). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.