Cary, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Cary weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Rain73%2.7″82°68°—
- SundayJul 5Overcast18%—79°63°-3°
- MondayJul 6Overcast——78°60°-1°
- TuesdayJul 7Overcast——81°58°+3°
- WednesdayJul 8Overcast14%—81°60°0°
- ThursdayJul 9Light Drizzle47%0.02″76°64°-5°
- FridayJul 10Overcast43%—78°62°+2°
AQI 32 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 39 now. With UV 3.6 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39 now. With UV 3.6 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13 around 1 PM.
- Present
- AQI 39
- UV peak
- 3.6 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 4.7 µg/m³, PM10 at 6.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.76
- Wind
- light
- 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
- 10:51 PM
- Moonset
- 9:56 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Cary 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.
ZIP code: 60013
16-Day Forecast — Cary
- Sat82°68°73%
- Sun79°63°18%
- Mon78°60°1%
- Tue81°58°1%
- Wed81°60°14%
- Thu76°64°47%
- Fri78°62°43%
- Sat82°60°11%
- Sun67°59°8%
- Mon74°55°8%
- Tue77°59°8%
- Wed80°63°23%
- Thu83°65°16%
- Fri84°68°19%
- Sat87°69°19%
- Sun86°69°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 — Cary
SPC includes Cary in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Cary
- 60013