South Barrington, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Barrington, a village in Cook County, Illinois.
This Afternoon
70°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 70. East wind 10 to 15 mph. Chance of precipitation is 40%.
7-day forecast for South Barrington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Chance Rain Showers | 10 to 15 mph E | 44% |
| Tonight | 61°F | Slight Chance Rain Showers then Showers And Thunderstorms Likely | 10 mph E | 57% |
| Saturday | 75°F | Showers And Thunderstorms Likely | 5 to 15 mph SE | 91% |
| Saturday Night | 62°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph NE | 80% |
| Sunday | 67°F | Showers And Thunderstorms | 10 to 15 mph NE | 78% |
| Sunday Night | 55°F | Chance Rain Showers | 15 mph ENE | 52% |
| Monday | 63°F | Chance Rain Showers | 15 mph ENE | 44% |
| Monday Night | 51°F | Chance Rain Showers | 10 to 15 mph ENE | 35% |
| Tuesday | 62°F | Slight Chance Rain Showers | 10 to 15 mph NE | 21% |
| Tuesday Night | 51°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 16% |
| Wednesday | 64°F | Partly Sunny | 5 to 10 mph NE | 10% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 to 10 mph NNE | 4% |
| Thursday | 67°F | Partly Sunny | 5 mph NNE | 6% |
| Thursday Night | 52°F | Mostly Cloudy | 5 mph NNE | 4% |
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
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Chicago
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Country Club Hills
Countryside
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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 Sep 18, 2026.