Sherman, IL Weather & Growing Conditions
Overnight
56°F
Chance Light Rain
A chance of rain before 5am. Mostly cloudy, with a low around 56. South southwest wind around 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Chance Light Rain | 13 mph SSW | 33% |
| Wednesday | 60°F | Patchy Drizzle | 12 to 15 mph WSW | 11% |
| Wednesday Night | 46°F | Patchy Drizzle then Mostly Cloudy | 12 mph WSW | 10% |
| Thursday | 61°F | Mostly Cloudy | 10 to 14 mph W | 11% |
| Thursday Night | 43°F | Mostly Cloudy | 5 to 8 mph NW | 10% |
| Friday | 54°F | Partly Sunny | 12 mph NNW | 4% |
| Friday Night | 33°F | Partly Cloudy | 1 to 8 mph NNW | 0% |
| Saturday | 53°F | Sunny | 1 to 6 mph NNW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 2 mph WNW | 1% |
| Sunday | 58°F | Sunny | 2 to 7 mph WNW | 1% |
| Sunday Night | 34°F | Clear | 1 to 5 mph W | 1% |
| Monday | 63°F | Sunny | 1 to 7 mph SW | 0% |
| Monday Night | 39°F | Clear | 5 mph SW | 0% |
| Tuesday | 66°F | Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sherman, IL
Last spring frost
Apr 14
First fall frost
Oct 20
Growing season
187 days
Hardiness zone
6a
Explore more for Sherman, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Springfield Capital Ap, Il (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.