Lockport, Illinois Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lockport weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain81%0.63″81°69°—
- SundayJul 5Overcast15%—78°66°-3°
- MondayJul 6Overcast——80°64°+2°
- TuesdayJul 7Overcast——84°62°+4°
- WednesdayJul 8Overcast——81°61°-3°
- ThursdayJul 9Light Showers49%0.24″79°67°-2°
- FridayJul 10Overcast47%—81°64°+2°
AQI 37 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.5 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 during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 39. Overcast through the UV peak window (cloud cover ~79%) — afternoon ozone should stay flat.
- Present
- AQI 39
- UV peak
- 2.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
PM × Wind × Precip
PM2.5 at 8.5 µg/m³, PM10 at 9.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.91
- 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
- 10:49 PM
- Moonset
- 9:56 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Lockport at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 60441
16-Day Forecast — Lockport
- Sat81°69°81%
- Sun78°66°15%
- Mon80°64°2%
- Tue84°62°2%
- Wed81°61°8%
- Thu79°67°49%
- Fri81°64°47%
- Sat81°62°16%
- Sun69°60°9%
- Mon77°57°9%
- Tue76°62°6%
- Wed81°62°29%
- Thu83°65°25%
- Fri83°69°19%
- Sat86°70°24%
- Sun85°70°33%
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 — Lockport
SPC has placed Lockport 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 Lockport
- 60441