Wilmette, IL Weather Forecast

Local 7-day forecast

65°
F

Mostly Cloudy

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

Wednesday, September 23, 2026
Wind: 10 to 15 mph ENE
Wednesday

Mostly cloudy, with a high near 65. East northeast wind 10 to 15 mph, with gusts as high as 25 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: Sep 22, 2026 9:18 AM CDT.

The active forecast window currently covers Sep 23 to Sep 28, 2026 for Wilmette, IL.

Page Snapshot

Page focus
city weather
Forecast window
Sep 23 to Sep 28, 2026
Latest sync
Sep 22, 2026 9:18 AM CDT
Forecast office
LOT
Source
NOAA / NWS
Next High
65°F
Wednesday
Next Low
56°F
Wednesday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
10 to 15 mph
Wednesday

Daily Outlook

Today
Sep 23
Mostly Cloudy
65 °F
/ 56°F
Wind 10 to 15 mph
Thu
Sep 24
Partly Sunny
66 °F
/ 55°F
Wind 5 to 10 mph
Fri
Sep 25
Mostly Sunny
66 °F
/ 54°F
Wind 5 mph
Sat
Sep 26
Mostly Sunny
66 °F
/ 55°F
Wind 0 to 5 mph
Sun
Sep 27
Partly Sunny
70 °F
/ 57°F
Wind 0 to 5 mph
Mon
Sep 28
Mostly Sunny
73 °F
/ 60°F
Wind 0 to 5 mph

This Week in Wilmette

Monday looks like the warmest upcoming period in Wilmette at 73 degrees F.

Friday Night is the coolest period ahead with temperatures near 54 degrees F.

The strongest winds are forecast for Wednesday at about 10 to 15 mph ENE.

The forecast from Sep 23 through Sep 28 stays mostly dry.

Forecast Details

Last updated
Sep 22, 2026 9:18 AM 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

Wednesday Night
Sep 23
56°F
Mostly Cloudy
5 to 15 mph ENE

Mostly cloudy, with a low around 56. East northeast wind 5 to 15 mph, with gusts as high as 25 mph.

Thursday
Sep 24
66°F
Partly Sunny
5 to 10 mph ENE

Partly sunny, with a high near 66. East northeast wind 5 to 10 mph.

Thursday Night
Sep 24
55°F
Mostly Cloudy
5 mph E

Mostly cloudy, with a low around 55.

Friday
Sep 25
66°F
Mostly Sunny
5 mph E

Mostly sunny, with a high near 66.

Friday Night
Sep 25
54°F
Partly Cloudy
0 to 5 mph E

Partly cloudy, with a low around 54.

Saturday
Sep 26
66°F
Mostly Sunny
0 to 5 mph SE

Mostly sunny, with a high near 66.

Saturday Night
Sep 26
55°F
Mostly Cloudy
0 to 5 mph SE

Mostly cloudy, with a low around 55.

Sunday
Sep 27
70°F
Partly Sunny
0 to 5 mph SSE

Partly sunny, with a high near 70.

Sunday Night
Sep 27
57°F
Mostly Cloudy
0 to 5 mph SE

Mostly cloudy, with a low around 57.

Monday
Sep 28
73°F
Mostly Sunny
0 to 5 mph SSE

Mostly sunny, with a high near 73.

Monday Night
Sep 28
60°F
Partly Cloudy
5 mph SE

Partly cloudy, with a low around 60.

Detailed Forecast

Period Conditions Temp Wind
Wednesday
Sep 23
Mostly Cloudy
65°F
10 to 15 mph
ENE
Wednesday Night
Sep 23
Mostly Cloudy
56°F
5 to 15 mph
ENE
Thursday
Sep 24
Partly Sunny
66°F
5 to 10 mph
ENE
Thursday Night
Sep 24
Mostly Cloudy
55°F
5 mph
E
Friday
Sep 25
Mostly Sunny
66°F
5 mph
E
Friday Night
Sep 25
Partly Cloudy
54°F
0 to 5 mph
E
Saturday
Sep 26
Mostly Sunny
66°F
0 to 5 mph
SE
Saturday Night
Sep 26
Mostly Cloudy
55°F
0 to 5 mph
SE
Sunday
Sep 27
Partly Sunny
70°F
0 to 5 mph
SSE
Sunday Night
Sep 27
Mostly Cloudy
57°F
0 to 5 mph
SE
Monday
Sep 28
Mostly Sunny
73°F
0 to 5 mph
SSE
Monday Night
Sep 28
Partly Cloudy
60°F
5 mph
SE
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.