Barrington Hills, IL Weather & Growing Conditions
This Afternoon
70°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy, with a high near 70. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Slight Chance Rain Showers | 10 mph E | 20% |
| Tonight | 61°F | Slight Chance Rain Showers then Showers And Thunderstorms Likely | 10 mph ESE | 59% |
| Saturday | 76°F | Showers And Thunderstorms Likely | 5 to 15 mph SE | 92% |
| 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 | 77% |
| Sunday Night | 55°F | Chance Rain Showers | 15 mph NE | 50% |
| Monday | 64°F | Chance Rain Showers | 15 mph ENE | 43% |
| Monday Night | 51°F | Chance Rain Showers | 10 to 15 mph ENE | 37% |
| 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 | 65°F | Partly Sunny | 5 to 10 mph NE | 10% |
| Wednesday Night | 51°F | Mostly Cloudy | 5 mph NNE | 4% |
| Thursday | 68°F | Partly Sunny | 5 mph NNE | 6% |
| Thursday Night | 52°F | Mostly Cloudy | 0 to 5 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Barrington Hills, IL
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
177 days
Hardiness zone
5b
Explore more for Barrington Hills, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Barrington 3Sw, Il (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.