Northbrook, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Northbrook weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Showers80%0.73″80°67°—
- SundayJul 5Overcast12%—74°63°-6°
- MondayJul 6Overcast——79°65°+5°
- TuesdayJul 7Overcast——82°64°+3°
- WednesdayJul 8Overcast26%—86°65°+4°
- ThursdayJul 9Thunderstorm34%0.02″79°66°-7°
- FridayJul 10Overcast34%—80°65°+1°
AQI 47 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 7.1 µg/m³, PM10 at 7.5 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
PM × Wind × Precip
PM2.5 at 7.1 µg/m³, PM10 at 7.5 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- 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
- 10:49 PM
- Moonset
- 9:55 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Northbrook at a glance
- Today vs. normal: 7°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: 60062
16-Day Forecast — Northbrook
- Sat80°67°80%
- Sun74°63°12%
- Mon79°65°4%
- Tue82°64°2%
- Wed86°65°26%
- Thu79°66°34%
- Fri80°65°34%
- Sat85°65°16%
- Sun69°62°12%
- Mon77°60°13%
- Tue79°64°9%
- Wed86°66°23%
- Thu89°70°16%
- Fri90°72°19%
- Sat90°72°19%
- Sun93°72°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 — Northbrook
SPC has placed Northbrook 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 Northbrook
- 60062
- 60082