Sleepy Hollow, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sleepy Hollow, a village in Kane County, Illinois.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Sleepy Hollow
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 to 10 mph SSW | 1% |
| Tonight | 67°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 49% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 0 to 5 mph WSW | 74% |
| Wednesday Night | 62°F | Showers And Thunderstorms | 0 to 5 mph NW | 82% |
| Thursday | 78°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 57% |
| Thursday Night | 61°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 18% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph S | 5% |
| Friday Night | 63°F | Mostly Clear | 0 to 5 mph SSW | 7% |
| Saturday | 83°F | Mostly Sunny | 0 to 5 mph SW | 11% |
| Saturday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 20% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 20% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 43% |
| Monday | 84°F | Chance Showers And Thunderstorms | 5 mph SSW | 43% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 mph W | 46% |
Forecast source: National Weather Service (api.weather.gov) for Sleepy Hollow (42.090, -88.314). Updated through the day.
Growing snapshot for Sleepy Hollow
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
174 days
Hardiness zone
5b
More local growing data for Sleepy Hollow: nearby ZIP 60118 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Aurora
Batavia
Big Rock
Burlington
Campton Hills
Carpentersville
East Dundee
Elburn
Elgin
Geneva
Gilberts
Hampshire
Kaneville
Lily Lake
Maple Park
North Aurora
Pingree Grove
Prestbury
South Elgin
St. Charles
Sugar Grove
Virgil
West Dundee
Climate data from the nearest NOAA station, Elgin, Il (3.4 mi from Sleepy Hollow). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.