Solon Mills, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Solon Mills, a community in Mchenry County, Illinois.
This Afternoon
71°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy. High near 71, with temperatures falling to around 69 in the afternoon. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Solon Mills
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Chance Rain Showers | 10 mph E | 29% |
| Tonight | 60°F | Slight Chance Rain Showers then Showers And Thunderstorms Likely | 10 to 15 mph E | 81% |
| Saturday | 75°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 10 to 15 mph ESE | 96% |
| Saturday Night | 61°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph ENE | 77% |
| Sunday | 66°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 68% |
| Sunday Night | 54°F | Chance Rain Showers | 10 to 15 mph ENE | 39% |
| Monday | 63°F | Chance Rain Showers | 15 mph ENE | 37% |
| Monday Night | 50°F | Chance Rain Showers | 5 to 15 mph ENE | 37% |
| Tuesday | 62°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 14% |
| Wednesday | 64°F | Partly Sunny | 5 to 10 mph NE | 9% |
| Wednesday Night | 50°F | Mostly Cloudy | 0 to 5 mph NNE | 5% |
| Thursday | 67°F | Partly Sunny | 0 to 5 mph NNE | 5% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph NNE | 5% |
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 Sep 19, 2026.