Barrington, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Barrington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain76%1.3″83°69°—
- SundayJul 5Overcast11%—78°64°-5°
- MondayJul 6Overcast——78°63°0°
- TuesdayJul 7Overcast——81°60°+3°
- WednesdayJul 8Overcast14%—82°62°+1°
- ThursdayJul 9Light Showers49%0.02″76°66°-6°
- FridayJul 10Drizzle43%—74°64°-2°
AQI 45 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.9 µg/m³, PM10 at 10.1 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 48 now. With UV 4.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 18 around 1 PM.
- Present
- AQI 48
- UV peak
- 4.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 18
PM × Wind × Precip
PM2.5 at 8.9 µg/m³, PM10 at 10.1 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.88
- Wind
- calm
- Recent rain
- 1h 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
- 10:50 PM
- Moonset
- 9:56 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Barrington at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: April 29 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 60010
16-Day Forecast — Barrington
- Sat83°69°76%
- Sun78°64°11%
- Mon78°63°3%
- Tue81°60°1%
- Wed82°62°14%
- Thu76°66°49%
- Fri74°64°43%
- Sat75°59°11%
- Sun77°57°8%
- Mon73°55°8%
- Tue79°58°8%
- Wed79°62°23%
- Thu83°63°16%
- Fri76°70°19%
- Sat80°63°19%
- Sun74°59°28%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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
SPC has placed Barrington 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
- 60010