Lyons, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lyons, a village in Cook County, Illinois.
Today
73°F
Mostly Cloudy then Chance Rain Showers
A chance of rain showers after 1pm. Mostly cloudy. High near 73, with temperatures falling to around 70 in the afternoon. South wind 20 to 25 mph, with gusts as high as 40 mph. Chance of precipitation is 30%.
7-day forecast for Lyons
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Mostly Cloudy then Chance Rain Showers | 20 to 25 mph S | 34% |
| Tonight | 61°F | Slight Chance T-storms then Rain | 15 to 20 mph S | 80% |
| Wednesday | 64°F | Rain Likely | 15 mph SSW | 69% |
| Wednesday Night | 50°F | Mostly Cloudy | 15 mph SW | 12% |
| Thursday | 58°F | Chance Rain | 10 to 15 mph WSW | 27% |
| Thursday Night | 45°F | Chance Rain | 5 to 10 mph WNW | 48% |
| Friday | 53°F | Chance Rain | 10 mph N | 35% |
| Friday Night | 40°F | Slight Chance Rain then Mostly Cloudy | 5 to 10 mph NNW | 16% |
| Saturday | 52°F | Mostly Sunny | 5 mph WNW | 12% |
| Saturday Night | 38°F | Partly Cloudy | 5 mph WSW | 7% |
| Sunday | 56°F | Mostly Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 40°F | Mostly Clear | 5 mph WNW | 6% |
| Monday | 60°F | Sunny | 5 to 10 mph WSW | 7% |
| Monday Night | 43°F | Partly Cloudy | 5 to 10 mph W | 2% |
Forecast source: National Weather Service (api.weather.gov) for Lyons (41.812, -87.819). Updated through the day.
Growing snapshot for Lyons
Last spring frost
Apr 11
First fall frost
Oct 31
Growing season
201 days
Hardiness zone
6a
More local growing data for Lyons: nearby ZIP 60534 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Chicago Midway Ap, Il (3.9 mi from Lyons). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.