Solon Mills, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Solon Mills, a community in Mchenry County, Illinois.
Tonight
59°F
Rain Showers
Rain showers. Cloudy. Low around 59, with temperatures rising to around 61 overnight. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Solon Mills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Rain Showers | 10 to 15 mph S | 81% |
| Wednesday | 63°F | Rain Showers Likely | 10 to 15 mph SSW | 58% |
| Wednesday Night | 46°F | Chance Rain Showers | 15 mph SW | 27% |
| Thursday | 56°F | Chance Rain Showers | 10 to 15 mph WSW | 53% |
| Thursday Night | 40°F | Chance Rain Showers | 5 to 10 mph NW | 53% |
| Friday | 51°F | Slight Chance Rain Showers | 10 to 15 mph N | 22% |
| Friday Night | 33°F | Mostly Cloudy | 0 to 5 mph NNW | 4% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph WNW | 4% |
| Saturday Night | 33°F | Partly Cloudy | 0 mph | 8% |
| Sunday | 57°F | Mostly Sunny then Slight Chance Rain | 5 mph W | 17% |
| Sunday Night | 34°F | Mostly Clear | 0 to 5 mph W | 8% |
| Monday | 60°F | Mostly Sunny | 0 to 10 mph WSW | 3% |
| Monday Night | 39°F | Mostly Clear | 5 mph W | 2% |
| Tuesday | 61°F | Mostly Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Solon Mills (42.442, -88.276). Updated through the day.
Growing snapshot for Solon Mills
Last spring frost
May 1
First fall frost
Oct 11
Growing season
162 days
Hardiness zone
5b
More local growing data for Solon Mills: nearby ZIP 60072 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Mc Henry -Wg Stratton L&D, Il (7.2 mi from Solon Mills). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.