Barrington Hills, Illinois Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Barrington Hills weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain94%0.25″82°68°—
- SundayJul 5Overcast15%—77°65°-5°
- MondayJul 6Overcast——79°62°+2°
- TuesdayJul 7Overcast——80°60°+1°
- WednesdayJul 8Thunderstorm27%0.06″82°63°+2°
- ThursdayJul 9Showers41%0.35″72°64°-10°
- FridayJul 10Overcast34%—77°60°+5°
AQI 41 (Good), driven by PM2.5. AQI down 5 over the last 6 hours (gradual decline). PM2.5 at 6.7 µg/m³, PM10 at 7.0 µg/m³ — typical background levels with no transport signature.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 32. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 32
- UV peak
- 0.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 6.7 µg/m³, PM10 at 7.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:12 PM
- Moonset
- 11:04 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Barrington Hills at a glance
- Today vs. normal: 68°F — typical for the season
- Last frost: April 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Barrington Hills
- Sat82°68°94%
- Sun77°65°15%
- Mon79°62°3%
- Tue80°60°1%
- Wed82°63°27%
- Thu72°64°41%
- Fri77°60°34%
- Sat75°56°8%
- Sun79°56°9%
- Mon76°58°6%
- Tue82°63°7%
- Wed83°61°18%
- Thu78°62°23%
- Fri82°68°20%
- Sat87°76°23%
- Sun83°62°19%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Barrington Hills
SPC has placed Barrington Hills in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Barrington Hills
- 60010
- 60011