Sheridan, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sheridan, a village in Lasalle County, Illinois.
Overnight
63°F
Mostly Clear
Mostly clear, with a low around 63. South wind 0 to 5 mph.
7-day forecast for Sheridan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Mostly Clear | 0 to 5 mph S | 0% |
| Tuesday | 85°F | Mostly Sunny | 0 to 10 mph SSW | 1% |
| Tuesday Night | 68°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 23% |
| Wednesday | 80°F | Showers And Thunderstorms Likely | 0 to 5 mph WSW | 66% |
| Wednesday Night | 65°F | Showers And Thunderstorms | 0 to 5 mph NNW | 88% |
| Thursday | 80°F | Chance Showers And Thunderstorms | 0 to 5 mph ESE | 62% |
| Thursday Night | 63°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 23% |
| Friday | 83°F | Mostly Sunny | 0 mph | 6% |
| Friday Night | 64°F | Mostly Clear | 0 mph | 9% |
| Saturday | 85°F | Mostly Sunny | 0 to 5 mph SSW | 11% |
| Saturday Night | 70°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 15% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SW | 15% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 32% |
| Monday | 86°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 32% |
Forecast source: National Weather Service (api.weather.gov) for Sheridan (41.530, -88.681). Updated through the day.
Growing snapshot for Sheridan
Last spring frost
Apr 27
First fall frost
Oct 17
Growing season
171 days
Hardiness zone
5b
More local growing data for Sheridan: nearby ZIP 60551 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Cedar Point
Dana
Dayton
Earlville
Grand Ridge
Harding
Kangley
LaSalle
Leland
Leonore
Lostant
Marseilles
Mendota
Millington
Naplate
Newark
North Utica
Oglesby
Ottawa
Peru
Ransom
Rutland
Seneca
Serena
Streator
Tonica
Triumph
Troy Grove
Wedron
Wenona
Climate data from the nearest NOAA station, Marseilles Lock, Il (14 mi from Sheridan). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.