Sheridan, IL Weather & Growing Conditions
Overnight
65°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a low around 65. East southeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Showers And Thunderstorms Likely | 10 mph ESE | 63% |
| Saturday | 81°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 mph ESE | 94% |
| Saturday Night | 66°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 mph SSW | 95% |
| Sunday | 72°F | Showers And Thunderstorms Likely | 10 to 15 mph NNE | 66% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 15 mph NE | 42% |
| Monday | 66°F | Chance Rain Showers | 15 mph ENE | 48% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 31% |
| Tuesday | 64°F | Slight Chance Rain Showers | 15 mph NE | 18% |
| Tuesday Night | 52°F | Mostly Cloudy | 10 to 15 mph NNE | 11% |
| Wednesday | 68°F | Mostly Sunny | 10 to 15 mph NNE | 6% |
| Wednesday Night | 52°F | Partly Cloudy | 5 to 10 mph NNE | 1% |
| Thursday | 70°F | Partly Sunny | 5 to 10 mph NNE | 3% |
| Thursday Night | 54°F | Partly Cloudy | 5 mph NE | 3% |
| Friday | 73°F | Mostly Sunny | 5 to 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Sheridan, IL
Last spring frost
Apr 27
First fall frost
Oct 17
Growing season
171 days
Hardiness zone
5b
Explore more for Sheridan, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Marseilles Lock, Il (14 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.