South Barrington, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Barrington, a village in Cook County, Illinois.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for South Barrington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 to 10 mph SW | 0% |
| Tonight | 67°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SW | 45% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 5 mph WSW | 74% |
| Wednesday Night | 62°F | Showers And Thunderstorms | 0 to 5 mph NW | 84% |
| Thursday | 78°F | Rain Showers Likely then Slight Chance Showers And Thunderstorms | 0 to 5 mph NE | 58% |
| Thursday Night | 61°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph S | 18% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph S | 4% |
| Friday Night | 63°F | Mostly Clear | 0 to 5 mph SSW | 7% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SW | 10% |
| Saturday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 21% |
| Sunday | 84°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 21% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 44% |
| Monday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 44% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph W | 46% |
Forecast source: National Weather Service (api.weather.gov) for South Barrington (42.089, -88.157). Updated through the day.
Growing snapshot for South Barrington
Last spring frost
Apr 30
First fall frost
Oct 13
Growing season
163 days
Hardiness zone
5b
More local growing data for South Barrington: nearby ZIP 60192 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
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Barrington
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Calumet City
Calumet Park
Chicago
Chicago Heights
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Country Club Hills
Countryside
Crestwood
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Climate data from the nearest NOAA station, Streamwood, Il (2.9 mi from South Barrington). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.