Wilmette, IL Weather Forecast

Local 7-day forecast

90°
F

Partly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Wilmette, IL in one place.

Sunday, July 26, 2026
Wind: 5 to 10 mph SSW
Sunday

Partly sunny, with a high near 90. Heat index values as high as 97. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Wilmette, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 25, 2026 5:04 PM CDT.

The active forecast window currently covers Jul 26 to Jul 31, 2026 for Wilmette, IL.

Page Snapshot

Page focus
city weather
Forecast window
Jul 26 to Jul 31, 2026
Latest sync
Jul 25, 2026 5:04 PM CDT
Forecast office
LOT
Source
NOAA / NWS
Next High
90°F
Sunday
Next Low
75°F
Sunday Night
Rain Outlook
6
Periods mentioning precipitation
Windiest
5 to 15 mph
Monday

Daily Outlook

Today
Jul 26
Partly Sunny
90 °F
/ 75°F
Wind 5 to 10 mph
Mon
Jul 27
Chance Showers And Thunderstorms
92 °F
/ 71°F
Wind 5 to 15 mph
Tue
Jul 28
Mostly Sunny
81 °F
/ 65°F
Wind 10 to 15 mph
Wed
Jul 29
Sunny
80 °F
/ 66°F
Wind 5 to 10 mph
Thu
Jul 30
Sunny
84 °F
/ 69°F
Wind 0 to 5 mph
Fri
Jul 31
Slight Chance Showers And Thunderstorms
85 °F
/ 70°F
Wind 0 to 5 mph

This Week in Wilmette

Monday looks like the warmest upcoming period in Wilmette at 92 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 65 degrees F.

The strongest winds are forecast for Monday at about 5 to 15 mph SSW.

Precipitation is mentioned in 6 upcoming forecast periods.

Forecast Details

Last updated
Jul 25, 2026 5:04 PM CDT
Coverage
6 days
Time zone
America/Chicago
Forecast office
LOT
Radar station
KLOT

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Sunday Night
Jul 26
75°F
Chance Showers And Thunderstorms
5 to 10 mph SSW

A chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 75. Heat index values as high as 98. South southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

Monday
Jul 27
92°F
Chance Showers And Thunderstorms
5 to 15 mph SSW

A chance of showers and thunderstorms. Partly sunny, with a high near 92. South southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

Monday Night
Jul 27
71°F
Chance Showers And Thunderstorms
10 mph WNW

A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 71. Chance of precipitation is 50%.

Tuesday
Jul 28
81°F
Mostly Sunny
10 to 15 mph N

Mostly sunny, with a high near 81.

Tuesday Night
Jul 28
65°F
Mostly Clear
5 to 15 mph NNE

Mostly clear, with a low around 65.

Wednesday
Jul 29
80°F
Sunny
5 to 10 mph NNE

Sunny, with a high near 80.

Wednesday Night
Jul 29
66°F
Mostly Clear
0 to 10 mph NNE

Mostly clear, with a low around 66.

Thursday
Jul 30
84°F
Sunny
0 to 5 mph NE

Sunny, with a high near 84.

Thursday Night
Jul 30
69°F
Slight Chance Showers And Thunderstorms
0 to 5 mph ESE

A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 69.

Friday
Jul 31
85°F
Slight Chance Showers And Thunderstorms
0 to 5 mph ESE

A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Friday Night
Jul 31
70°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
0 to 5 mph SW

A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Detailed Forecast

Period Conditions Temp Wind
Sunday
Jul 26
Partly Sunny
90°F
5 to 10 mph
SSW
Sunday Night
Jul 26
Chance Showers And Thunderstorms
75°F
5 to 10 mph
SSW
Monday
Jul 27
Chance Showers And Thunderstorms
92°F
5 to 15 mph
SSW
Monday Night
Jul 27
Chance Showers And Thunderstorms
71°F
10 mph
WNW
Tuesday
Jul 28
Mostly Sunny
81°F
10 to 15 mph
N
Tuesday Night
Jul 28
Mostly Clear
65°F
5 to 15 mph
NNE
Wednesday
Jul 29
Sunny
80°F
5 to 10 mph
NNE
Wednesday Night
Jul 29
Mostly Clear
66°F
0 to 10 mph
NNE
Thursday
Jul 30
Sunny
84°F
0 to 5 mph
NE
Thursday Night
Jul 30
Slight Chance Showers And Thunderstorms
69°F
0 to 5 mph
ESE
Friday
Jul 31
Slight Chance Showers And Thunderstorms
85°F
0 to 5 mph
ESE
Friday Night
Jul 31
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
70°F
0 to 5 mph
SW
Wilmette sign
Wilmette sign image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.