Winnetka, IL Weather Forecast

Local 7-day forecast

66°
F

Sunny

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

Tuesday, October 20, 2026
Wind: 0 to 5 mph ENE
Tuesday

Sunny, with a high near 66. East northeast wind 0 to 5 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Winnetka, 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: Oct 19, 2026 3:06 AM CDT.

The active forecast window currently covers Oct 20 to Oct 25, 2026 for Winnetka, IL.

Page Snapshot

Page focus
city weather
Forecast window
Oct 20 to Oct 25, 2026
Latest sync
Oct 19, 2026 3:06 AM CDT
Forecast office
LOT
Source
NOAA / NWS
Next High
66°F
Tuesday
Next Low
48°F
Tuesday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
0 to 5 mph
Tuesday

Daily Outlook

Today
Oct 20
Sunny
66 °F
/ 48°F
Wind 0 to 5 mph
Wed
Oct 21
Sunny
68 °F
/ 52°F
Wind 0 to 5 mph
Thu
Oct 22
Sunny
68 °F
/ 54°F
Wind 0 to 5 mph
Fri
Oct 23
Sunny
66 °F
/ 52°F
Wind 0 to 5 mph
Sat
Oct 24
Mostly Sunny
67 °F
/ 53°F
Wind 5 mph
Sun
Oct 25
Partly Sunny
69 °F
Wind 5 mph

This Week in Winnetka

Sunday looks like the warmest upcoming period in Winnetka at 69 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 48 degrees F.

The strongest winds are forecast for Tuesday at about 0 to 5 mph ENE.

The forecast from Oct 20 through Oct 25 stays mostly dry.

Forecast Details

Last updated
Oct 19, 2026 3:06 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

Tuesday Night
Oct 20
48°F
Mostly Clear
0 to 5 mph SE

Mostly clear, with a low around 48. Southeast wind 0 to 5 mph.

Wednesday
Oct 21
68°F
Sunny
0 to 5 mph SSE

Sunny, with a high near 68.

Wednesday Night
Oct 21
52°F
Mostly Clear
0 mph

Mostly clear, with a low around 52.

Thursday
Oct 22
68°F
Sunny
0 to 5 mph NE

Sunny, with a high near 68.

Thursday Night
Oct 22
54°F
Mostly Clear
0 to 5 mph ENE

Mostly clear, with a low around 54.

Friday
Oct 23
66°F
Sunny
0 to 5 mph ESE

Sunny, with a high near 66.

Friday Night
Oct 23
52°F
Mostly Clear
5 mph SE

Mostly clear, with a low around 52.

Saturday
Oct 24
67°F
Mostly Sunny
5 mph SSE

Mostly sunny, with a high near 67.

Saturday Night
Oct 24
53°F
Partly Cloudy
5 mph SSW

Partly cloudy, with a low around 53.

Sunday
Oct 25
69°F
Partly Sunny
5 mph SSW

Partly sunny, with a high near 69.

Detailed Forecast

Period Conditions Temp Wind
Tuesday
Oct 20
Sunny
66°F
0 to 5 mph
ENE
Tuesday Night
Oct 20
Mostly Clear
48°F
0 to 5 mph
SE
Wednesday
Oct 21
Sunny
68°F
0 to 5 mph
SSE
Wednesday Night
Oct 21
Mostly Clear
52°F
0 mph
Thursday
Oct 22
Sunny
68°F
0 to 5 mph
NE
Thursday Night
Oct 22
Mostly Clear
54°F
0 to 5 mph
ENE
Friday
Oct 23
Sunny
66°F
0 to 5 mph
ESE
Friday Night
Oct 23
Mostly Clear
52°F
5 mph
SE
Saturday
Oct 24
Mostly Sunny
67°F
5 mph
SSE
Saturday Night
Oct 24
Partly Cloudy
53°F
5 mph
SSW
Sunday
Oct 25
Partly Sunny
69°F
5 mph
SSW
Welcome to Winnetka
Welcome to Winnetka 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.