Rosemont, Illinois Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Rosemont weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast——76°52°—
- TuesdayJun 16Rain63%0.18″73°60°-3°
- WednesdayJun 17T-storm w/ Hvy Hail88%0.27″73°57°0°
- ThursdayJun 18Overcast76%—67°58°-6°
- FridayJun 19Mostly Clear——71°56°+4°
- SaturdayJun 20Light Drizzle10%—71°57°0°
- SundayJun 21Drizzle31%0.18″66°59°-5°
AQI 39 (Good), driven by PM2.5. AQI up 5 over the last 6 hours (gradual rise). PM2.5 at 9.1 µg/m³, PM10 at 9.3 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 9.1 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.98
- Wind
- breezy
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:15 AM
- Moonset
- 8:47 PM
- In sign
- ♋︎ Cancer
Solstice approaches — longest light
Rosemont at a glance
- Today vs. normal: 13°F below the seasonal normal for this latitude
- Last frost: April 28 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Rosemont
- Mon76°52°2%
- Tue73°60°63%
- Wed73°57°88%
- Thu67°58°76%
- Fri71°56°6%
- Sat71°57°10%
- Sun66°59°31%
- Mon69°59°31%
- Tue76°57°14%
- Wed81°61°15%
- Thu84°64°17%
- Fri90°69°23%
- Sat92°76°24%
- Sun93°78°28%
- Mon84°69°33%
- Tue87°69°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Rosemont
SPC has placed Rosemont in the Slight Risk category for severe thunderstorms day after tomorrow.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWMRGLMarginal Risk
- DAY 3SLGTSlight Risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
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 Rosemont
- 60018