Elgin, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Elgin, a city in Kane County, Illinois.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. Southwest wind around 10 mph.
7-day forecast for Elgin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 10 mph SW | 1% |
| Tonight | 66°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SW | 46% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 5 mph WSW | 74% |
| Wednesday Night | 62°F | Showers And Thunderstorms | 0 to 5 mph NW | 83% |
| Thursday | 78°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 58% |
| Thursday Night | 60°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SSE | 21% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph S | 5% |
| Friday Night | 63°F | Partly Cloudy | 0 to 5 mph SSW | 11% |
| Saturday | 82°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Saturday Night | 67°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 | 42% |
| Monday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 42% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 46% |
Forecast source: National Weather Service (api.weather.gov) for Elgin (42.039, -88.326). Updated through the day.
Growing snapshot for Elgin
Last spring frost
Apr 26
First fall frost
Oct 18
Growing season
174 days
Hardiness zone
5b
More local growing data for Elgin: nearby ZIP 60123 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Aurora
Batavia
Big Rock
Burlington
Campton Hills
Carpentersville
East Dundee
Elburn
Geneva
Gilberts
Hampshire
Kaneville
Lily Lake
Maple Park
North Aurora
Pingree Grove
Prestbury
Sleepy Hollow
South Elgin
St. Charles
Sugar Grove
Virgil
West Dundee
Climate data from the nearest NOAA station, Elgin, Il (2 mi from Elgin). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.