Sherman, IL Weather & Growing Conditions
Overnight
71°F
Mostly Clear
Mostly clear, with a low around 71. South southeast wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 7 mph SSE | 4% |
| Saturday | 91°F | Mostly Cloudy | 7 mph SSW | 10% |
| Saturday Night | 70°F | Partly Cloudy then Chance Showers And Thunderstorms | 6 mph SSW | 26% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 3 to 10 mph N | 50% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 9 to 13 mph NE | 69% |
| Monday | 70°F | Showers And Thunderstorms Likely | 13 mph NE | 70% |
| Monday Night | 55°F | Chance Rain Showers | 9 to 13 mph NE | 48% |
| Tuesday | 67°F | Slight Chance Rain Showers | 13 mph NE | 24% |
| Tuesday Night | 52°F | Mostly Cloudy | 6 to 12 mph NNE | 11% |
| Wednesday | 70°F | Mostly Sunny | 7 to 10 mph NNE | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 3 to 9 mph NNE | 2% |
| Thursday | 72°F | Mostly Sunny | 5 to 8 mph NNE | 3% |
| Thursday Night | 55°F | Mostly Cloudy | 3 to 7 mph NNE | 2% |
| Friday | 75°F | Mostly Sunny | 3 to 8 mph NE | 3% |
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 Sep 19, 2026.