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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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Earlville
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LaSalle
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Marseilles
Mendota
Millington
Naplate
Newark
North Utica
Oglesby
Ottawa
Peru
Ransom
Rutland
Seneca
Serena
Sheridan
Streator
Tonica
Triumph
Troy Grove
Wenona
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.