Illinois · NWS LOT office

Wilmette, IL weather

It is 54°F and mostly cloudy at Chicago / Wheeling, Pal-Waukee Airport as of Oct 28, 4:05 AM CDT. Overnight: Partly Cloudy, low near 55°F, 1% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 3:35 AM CDT.

Updated Oct 28, 4:26 AM CDT (snapshot)

Current conditions

Temperature

54°F

Mostly Cloudy

Wind

Calm

Humidity 88% · dew point 50°F

Pressure · visibility

30.21 inHg

Visibility 10 mi

Observed at Chicago / Wheeling, Pal-Waukee Airport (KPWK), Oct 28, 4:05 AM CDT. Station readings can lag or be missing.

Alerts for this area

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

Around the NWS LOT forecast area

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

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 Wilmette (local time)
TimeTempForecastPrecip. chanceWind
Wed 6 AM55°FSunny1%SSW 5 mph
Wed 7 AM55°FSunny0%SSW 5 mph
Wed 8 AM56°FSunny0%SSW 5 mph
Wed 9 AM59°FSunny0%SSW 5 mph
Wed 10 AM61°FSunny0%SSW 10 mph
Wed 11 AM64°FSunny0%S 10 mph
Wed 12 PM67°FSunny0%S 10 mph
Wed 1 PM70°FSunny0%S 10 mph
Wed 2 PM71°FSunny0%S 10 mph
Wed 3 PM72°FSunny0%S 10 mph
Wed 4 PM72°FSunny0%S 10 mph
Wed 5 PM71°FSunny1%S 10 mph
Wed 6 PM69°FPartly Cloudy1%S 10 mph
Wed 7 PM67°FMostly Clear2%S 10 mph
Wed 8 PM65°FMostly Clear2%S 10 mph
Wed 9 PM64°FMostly Clear2%S 10 mph
Wed 10 PM63°FMostly Clear2%S 10 mph
Wed 11 PM63°FMostly Clear2%S 15 mph
Thu 12 AM62°FPartly Cloudy2%SSW 15 mph
Thu 1 AM62°FMostly Cloudy5%SSW 15 mph
Thu 2 AM62°FMostly Cloudy8%SSW 15 mph
Thu 3 AM62°FMostly Cloudy6%SSW 15 mph
Thu 4 AM61°FSlight Chance Rain Showers16%SSW 15 mph
Thu 5 AM60°FSlight Chance Rain Showers19%SSW 15 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 Wilmette can differ.

7-day forecast

Overnight

Low 55°F

Partly cloudy, with a low around 55. South southwest wind around 5 mph.

Wednesday

High 72°F·Low 60°F

Sunny, with a high near 72. South wind 5 to 10 mph, with gusts as high as 20 mph.

Wednesday Night: A slight chance of rain showers after 4am. Partly cloudy, with a low around 60. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

Thursday

High 68°F·Low 48°F

A slight chance of rain showers before 1pm. Partly sunny, with a high near 68. West wind 10 to 15 mph. Chance of precipitation is 20%.

Thursday Night: Mostly clear, with a low around 48. North wind around 5 mph.

Friday

High 60°F·Low 51°F

Partly sunny, with a high near 60.

Friday Night: A chance of rain showers after 7pm. Mostly cloudy, with a low around 51.

Saturday

High 59°F·Low 51°F

A chance of rain showers. Cloudy, with a high near 59.

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

Sunday

High 64°F·Low 52°F

A chance of rain showers. Mostly cloudy, with a high near 64.

Sunday Night: A chance of rain showers. Mostly cloudy, with a low around 52.

Monday

High 65°F·Low 53°F

A chance of rain showers. Mostly cloudy, with a high near 65.

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

Tuesday

High 64°F

Rain showers likely. Mostly cloudy, with a high near 64.

Nearby cities

Larger cities in the area

Other cities in Cook County

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

About this forecast

Forecast office
Wilmette is served by the National Weather Service LOT forecast office, forecast zone ILZ103, county zone ILC031.
Location used
The Census Bureau's internal point for Wilmette (42.0773, -87.7286), in Cook County. Population: 27,443 (2024 estimate), number 76 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/42.0773,-87.7286 (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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