Bannockburn, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Bannockburn weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Showers79%0.23″80°67°—
- SundayJul 5Overcast15%—75°64°-5°
- MondayJul 6Overcast——79°65°+4°
- TuesdayJul 7Overcast——81°62°+2°
- WednesdayJul 8Overcast14%—86°64°+5°
- ThursdayJul 9Thunderstorm50%—78°65°-8°
- FridayJul 10Overcast44%—79°64°+1°
AQI 46 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.2 µg/m³, PM10 at 8.6 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 31. Overcast through the UV peak window (cloud cover ~84%) — afternoon ozone should stay flat.
- Present
- AQI 31
- UV peak
- 2.0 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 4
PM × Wind × Precip
PM2.5 at 8.2 µg/m³, PM10 at 8.6 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
Bannockburn at a glance
- Today vs. normal: 8°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.
16-Day Forecast — Bannockburn
- Sat80°67°79%
- Sun75°64°15%
- Mon79°65°1%
- Tue81°62°0%
- Wed86°64°14%
- Thu78°65°50%
- Fri79°64°44%
- Sat84°65°10%
- Sun68°61°9%
- Mon76°59°9%
- Tue77°63°9%
- Wed84°66°23%
- Thu87°69°16%
- Fri87°71°19%
- Sat88°70°19%
- Sun90°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 — Bannockburn
SPC has placed Bannockburn 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 Bannockburn
- 60015