Symerton, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Symerton, a village in Will County, Illinois.
This Afternoon
64°F
Slight Chance Rain Showers
A slight chance of rain showers and a slight chance of drizzle. Cloudy. High near 64, with temperatures falling to around 56 in the afternoon. West southwest wind around 15 mph, with gusts as high as 25 mph.
7-day forecast for Symerton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Slight Chance Rain Showers | 15 mph WSW | 9% |
| Tonight | 46°F | Slight Chance Rain Showers then Cloudy | 10 to 15 mph SW | 11% |
| Thursday | 56°F | Mostly Cloudy then Chance Rain | 10 to 15 mph WSW | 44% |
| Thursday Night | 38°F | Rain Likely then Cloudy | 5 to 10 mph NW | 59% |
| Friday | 50°F | Partly Sunny | 10 mph NNW | 3% |
| Friday Night | 32°F | Partly Cloudy | 5 mph NNW | 0% |
| Saturday | 52°F | Sunny | 5 mph NW | 0% |
| Saturday Night | 31°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 58°F | Sunny | 0 to 10 mph W | 1% |
| Sunday Night | 33°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 62°F | Sunny | 0 to 10 mph WSW | 0% |
| Monday Night | 38°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Tuesday | 63°F | Sunny | 0 to 5 mph WNW | 0% |
| Tuesday Night | 36°F | Partly Cloudy | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov) for Symerton (41.326, -88.053). Updated through the day.
Growing snapshot for Symerton
Last spring frost
Apr 16
First fall frost
Oct 26
Growing season
191 days
Hardiness zone
5b
More local growing data for Symerton: nearby ZIP 60481 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Channahon Dresden Isl Dam, Il (11.8 mi from Symerton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.