Sherman, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sherman, a village in Sangamon County, Illinois.
This Afternoon
59°F
Slight Chance Drizzle
A slight chance of drizzle. Cloudy, with a high near 59. West southwest wind around 12 mph, with gusts as high as 20 mph.
7-day forecast for Sherman
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Slight Chance Drizzle | 12 mph WSW | 10% |
| Tonight | 43°F | Slight Chance Drizzle then Mostly Cloudy | 9 mph SW | 10% |
| Thursday | 58°F | Partly Sunny | 9 to 14 mph WSW | 14% |
| Thursday Night | 41°F | Slight Chance Light Rain then Cloudy | 6 to 9 mph NW | 18% |
| Friday | 51°F | Mostly Sunny | 7 to 12 mph N | 2% |
| Friday Night | 30°F | Partly Cloudy | 1 to 6 mph NNW | 0% |
| Saturday | 52°F | Sunny | 1 to 5 mph NNW | 0% |
| Saturday Night | 30°F | Mostly Clear | 2 mph WNW | 0% |
| Sunday | 59°F | Sunny | 1 to 7 mph W | 0% |
| Sunday Night | 34°F | Mostly Clear | 0 to 3 mph W | 0% |
| Monday | 64°F | Sunny | 0 to 7 mph SW | 0% |
| Monday Night | 38°F | Clear | 2 to 6 mph WSW | 0% |
| Tuesday | 65°F | Sunny | 5 mph W | 3% |
| Tuesday Night | 39°F | Mostly Clear | 2 mph NNW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Sherman (39.890, -89.604). Updated through the day.
Growing snapshot for Sherman
Last spring frost
Apr 14
First fall frost
Oct 20
Growing season
187 days
Hardiness zone
6a
More local growing data for Sherman: nearby ZIP 62684 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Springfield Capital Ap, Il (6.8 mi from Sherman). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.