Illinois · NWS LOT office

Joliet, IL weather

It is 53°F and cloudy at Joliet Regional Airport as of Oct 28, 3:55 AM CDT. Overnight: Partly Cloudy, low near 51°F, 1% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 3:35 AM CDT.

Updated Oct 28, 4:15 AM CDT (snapshot)

Current conditions

Temperature

53°F

Cloudy

Wind

Calm

Humidity 97% · dew point 52°F

Pressure · visibility

30.21 inHg

Visibility 10 mi

Observed at Joliet Regional Airport (KJOT), Oct 28, 3:55 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Joliet forecast zone right now.

Around the NWS LOT forecast area

No active alerts in zones served by the LOT office near Joliet.

From the alert snapshot of Oct 28, 2026, 5:12 AM EDT. No alerts are active anywhere in Illinois.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Joliet (local time)
TimeTempForecastPrecip. chanceWind
Wed 6 AM51°FMostly Sunny1% 0 mph
Wed 7 AM51°FMostly Sunny1% 0 mph
Wed 8 AM52°FSunny1%S 5 mph
Wed 9 AM56°FSunny0%S 5 mph
Wed 10 AM61°FSunny0%S 5 mph
Wed 11 AM65°FSunny0%S 10 mph
Wed 12 PM69°FSunny0%S 10 mph
Wed 1 PM72°FSunny0%S 10 mph
Wed 2 PM74°FSunny0%SSW 10 mph
Wed 3 PM75°FSunny1%SSW 10 mph
Wed 4 PM74°FMostly Sunny1%SSW 10 mph
Wed 5 PM72°FMostly Sunny1%S 10 mph
Wed 6 PM69°FPartly Cloudy1%S 10 mph
Wed 7 PM67°FMostly Clear1%S 5 mph
Wed 8 PM65°FMostly Clear1%S 10 mph
Wed 9 PM64°FMostly Clear1%S 10 mph
Wed 10 PM64°FMostly Clear1%S 10 mph
Wed 11 PM63°FMostly Clear1%S 10 mph
Thu 12 AM62°FPartly Cloudy2%S 10 mph
Thu 1 AM62°FPartly Cloudy3%S 10 mph
Thu 2 AM62°FMostly Cloudy4%S 10 mph
Thu 3 AM62°FMostly Cloudy4%SSW 10 mph
Thu 4 AM61°FMostly Cloudy6%SSW 10 mph
Thu 5 AM60°FMostly Cloudy9%SSW 10 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Joliet can differ.

7-day forecast

Overnight

Low 51°F

Partly cloudy, with a low around 51. South wind around 0 mph.

Wednesday

High 75°F·Low 59°F

Sunny. High near 75, with temperatures falling to around 72 in the afternoon. South wind 0 to 10 mph, with gusts as high as 20 mph.

Wednesday Night: Partly cloudy, with a low around 59. South wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday

High 71°F·Low 45°F

A slight chance of rain showers before 2pm. Partly sunny, with a high near 71. West southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Thursday Night: Mostly clear, with a low around 45. North wind around 5 mph, with gusts as high as 10 mph.

Friday

High 65°F·Low 50°F

Partly sunny, with a high near 65.

Friday Night: A chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Cloudy, with a low around 50.

Saturday

High 64°F·Low 51°F

A chance of showers and thunderstorms. Cloudy, with a high near 64.

Saturday Night: A chance of rain showers. Mostly cloudy, with a low around 51.

Sunday

High 67°F·Low 53°F

A chance of rain showers. Mostly cloudy, with a high near 67.

Sunday Night: A chance of rain showers. Mostly cloudy, with a low around 53.

Monday

High 68°F·Low 54°F

A chance of rain showers. Mostly cloudy, with a high near 68.

Monday Night: A chance of rain showers. Mostly cloudy, with a low around 54.

Tuesday

High 68°F

Rain showers likely. Mostly cloudy, with a high near 68.

Nearby cities

Larger cities in the area

Other cities in Will County

See every city we cover in Illinois, or check all active alerts.

About this forecast

Forecast office
Joliet is served by the National Weather Service LOT forecast office, forecast zone ILZ106, county zone ILC197.
Location used
The Census Bureau's internal point for Joliet (41.5169, -88.1480), in Will County. Population: 151,837 (2024 estimate), number 4 of the 121 Illinois cities on this site.
Radar
Nearest NWS radar: KLOT. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/41.5169,-88.148 (forecast issued Oct 28, 3:35 AM CDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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