Winnetka, IL Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Winnetka, IL in one place.
Sunny, with a high near 66. East northeast wind 0 to 5 mph.
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
Daily Outlook
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 sourceExtended Forecast
Mostly clear, with a low around 48. Southeast wind 0 to 5 mph.
Sunny, with a high near 68.
Mostly clear, with a low around 52.
Sunny, with a high near 68.
Mostly clear, with a low around 54.
Sunny, with a high near 66.
Mostly clear, with a low around 52.
Mostly sunny, with a high near 67.
Partly cloudy, with a low around 53.
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
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Winnetka.