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Winnetka IL Weather - Mostly Clear - 51°F
Mostly Clear
51°F
Updated 11:31 pm
Feels Like 59°F
Humidity 96%
Wind N 0 mph
Barometer  30.16 in
Dew Point 50°F
Winnetka IL Weather - Mostly Clear - 11°C
Mostly Clear
11°C
Updated 11:31 pm
Feels Like 15°C
Humidity 96%
Wind N 0 km/h
Barometer  102.1 kPa
Dew Point 10°C
Winnetka, IL Weather and Current Conditionswinnetka il weather forecast

Winnetka, IL Weather Forecast

Winnetka Illinois WeatherWinnetka, Illinois Weather Weather Forecast
14 Day API Winnetka, IL Weather Forecast. Note: Our 7 day Winnetka, Illinois weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Winnetka, IL Weather Forecast Dated: 1131 PM Sat Sep 26 2026
Expect a cool pattern with a mix of sun and clouds and occasional showers over the coming period. moderate humidity and no major pressure swings will dominate.

Saturday, September 26, 2026

Mid-Morning
Winnetka Weather - 2026-09-26 - Morning - Sunny
59°F 15°C
Sunny
Mid-Afternoon
Winnetka Weather - 2026-09-26 - Afternoon - Overcast
65°F 18°C
Overcast
Early-Evening
Winnetka Weather - 2026-09-26 - Evening - Overcast
61°F 16°C
Overcast
Refreshing around 65°F 18°C, sunny in the morning, becoming overcast through the afternoon and evening, with steady humidity and steady pressure.

Sunday, September 27, 2026

Mid-Morning
Winnetka Weather - 2026-09-27 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Winnetka Weather - 2026-09-27 - Afternoon - Overcast
67°F 20°C
Overcast
Early-Evening
Winnetka Weather - 2026-09-27 - Evening - Overcast
62°F 17°C
Overcast
Mildly cool near 67°F 20°C, overcast throughout the day, with steady humidity and steady pressure.

Monday, September 28, 2026

Mid-Morning
Winnetka Weather - 2026-09-28 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Winnetka Weather - 2026-09-28 - Afternoon - Sunny
71°F 22°C
Sunny
Early-Evening
Winnetka Weather - 2026-09-28 - Evening - Sunny
65°F 18°C
Sunny
Enjoyable around 71°F 22°C, sunny throughout the day, with steady humidity and steady pressure.

Tuesday, September 29, 2026

Mid-Morning
Winnetka Weather - 2026-09-29 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Winnetka Weather - 2026-09-29 - Afternoon - Overcast
76°F 25°C
Overcast
Early-Evening
Winnetka Weather - 2026-09-29 - Evening - Overcast
72°F 23°C
Overcast
Mild temperatures up to 76°F 25°C, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and barometric pressure falling.

Wednesday, September 30, 2026

Mid-Morning
Winnetka Weather - 2026-09-30 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Winnetka Weather - 2026-09-30 - Afternoon - Scattered Showers
69°F 20°C
Scattered Showers
Early-Evening
Winnetka Weather - 2026-09-30 - Evening - Light Rain
65°F 19°C
Light Rain
Mild with a high of 69°F 20°C, scattered downpours possible, with increasing humidity and steady pressure.

Thursday, October 1, 2026

Mid-Morning
Winnetka Weather - 2026-10-01 - Morning - Light Fog
66°F 19°C
Light Fog
Mid-Afternoon
Winnetka Weather - 2026-10-01 - Afternoon - Light Showers
65°F 18°C
Light Showers
Early-Evening
Winnetka Weather - 2026-10-01 - Evening - Light Showers
64°F 18°C
Light Showers
Mildly cool near 65°F 18°C, dry early, with showers continuing through afternoon and evening, with steady humidity and steady pressure.

Friday, October 2, 2026

Mid-Morning
Winnetka Weather - 2026-10-02 - Morning - Overcast
60°F 16°C
Overcast
Mid-Afternoon
Winnetka Weather - 2026-10-02 - Afternoon - Light Showers
55°F 13°C
Light Showers
Early-Evening
Winnetka Weather - 2026-10-02 - Evening - Light Showers
54°F 12°C
Light Showers
Chilly near 55°F 13°C, drier morning followed by showers lasting through evening, with increasing humidity and steady pressure. Winds out of the ENE at 11 mph 17 km/h. Gusts up to 25 mph 39 km/h.

Saturday, October 3, 2026

Mid-Morning
Winnetka Weather - 2026-10-03 - Morning - Light Fog
57°F 14°C
Light Fog
Mid-Afternoon
Winnetka Weather - 2026-10-03 - Afternoon - Light Fog
64°F 18°C
Light Fog
Early-Evening
Winnetka Weather - 2026-10-03 - Evening - Scattered Showers
63°F 18°C
Scattered Showers
Cool with a high near 64°F 18°C, scattered downpours possible, with steady humidity and barometric pressure falling.

Sunday, October 4, 2026

Mid-Morning
Winnetka Weather - 2026-10-04 - Morning - Light Fog
59°F 15°C
Light Fog
Mid-Afternoon
Winnetka Weather - 2026-10-04 - Afternoon - Scattered Showers
57°F 14°C
Scattered Showers
Early-Evening
Winnetka Weather - 2026-10-04 - Evening - Light Showers
52°F 11°C
Light Showers
Brisk around 57°F 14°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds building from N at 6 mph 9 km/h to NW at 15 mph 24 km/h. Gusts up to 29 mph 46 km/h.

Monday, October 5, 2026

Mid-Morning
Winnetka Weather - 2026-10-05 - Morning - Sunny
44°F 7°C
Sunny
Mid-Afternoon
Winnetka Weather - 2026-10-05 - Afternoon - Sunny
53°F 11°C
Sunny
Early-Evening
Winnetka Weather - 2026-10-05 - Evening - Sunny
50°F 10°C
Sunny
Cool and brisk at 53°F 11°C, sunny throughout the day, with steady humidity and steady pressure. Winds moving from the WNW to the W at 12 mph 19 km/h. Gusts up to 24 mph 39 km/h.

Tuesday, October 6, 2026

Mid-Morning
Winnetka Weather - 2026-10-06 - Morning - Sunny
51°F 11°C
Sunny
Mid-Afternoon
Winnetka Weather - 2026-10-06 - Afternoon - Sunny
64°F 18°C
Sunny
Early-Evening
Winnetka Weather - 2026-10-06 - Evening - Overcast
63°F 17°C
Overcast
Comfortable at 64°F 18°C, sunny in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure.

Wednesday, October 7, 2026

Mid-Morning
Winnetka Weather - 2026-10-07 - Morning - Sunny
61°F 16°C
Sunny
Mid-Afternoon
Winnetka Weather - 2026-10-07 - Afternoon - Partly Cloudy
72°F 22°C
Partly Cloudy
Early-Evening
Winnetka Weather - 2026-10-07 - Evening - Cloudy
67°F 19°C
Cloudy
Comfortable with temperatures reaching 72°F 22°C, sunny in the morning, cloudy in the afternoon, and overcast this evening, with increasing humidity and steady pressure. Winds swinging from the SW to the WNW at 8 mph 13 km/h.

Thursday, October 8, 2026

Mid-Morning
Winnetka Weather - 2026-10-08 - Morning - Sunny
56°F 14°C
Sunny
Mid-Afternoon
Winnetka Weather - 2026-10-08 - Afternoon - Sunny
57°F 14°C
Sunny
Early-Evening
Winnetka Weather - 2026-10-08 - Evening - Sunny
53°F 12°C
Sunny
Brisk around 57°F 14°C, sunny throughout the day, with steady humidity and steady pressure. Winds shifting from the NE to the NNE at 11 mph 18 km/h.

Friday, October 9, 2026

Mid-Morning
Winnetka Weather - 2026-10-09 - Morning - Overcast
51°F 10°C
Overcast
Mid-Afternoon
Winnetka Weather - 2026-10-09 - Afternoon - Sunny
54°F 12°C
Sunny
Early-Evening
Winnetka Weather - 2026-10-09 - Evening - Sunny
52°F 11°C
Sunny
Cool and brisk at 54°F 12°C, partly cloudy in the morning, becoming sunny through the afternoon and evening, with steady humidity and steady pressure. Winds turning from the ENE to the NE at 7 mph 11 km/h.

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Weather by the Numbers

Sat, 26th
Winnetka IL Weather - Saturday, Sep 26, 2026 - Overcast
Hi: 66°F 19°C
Lo: 55°F 13°C
Sunrise 06:43 AM
Sunset 06:41 PM
Wind E 8 mph13 km/h
Dew Point 39°F4°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 10% *
Humidity 39%
Sun, 27th
Winnetka IL Weather - Sunday, Sep 27, 2026 - Overcast
Hi: 67°F 20°C
Lo: 58°F 15°C
Sunrise 06:44 AM
Sunset 06:39 PM
Wind NE 8 mph12 km/h
Dew Point 42°F5°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 9% *
Humidity 40%
Mon, 28th
Winnetka IL Weather - Monday, Sep 28, 2026 - Sunny
Hi: 71°F 22°C
Lo: 58°F 15°C
Sunrise 06:45 AM
Sunset 06:38 PM
Wind ENE 5 mph9 km/h
Dew Point 50°F10°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 2% *
Humidity 52%
Tue, 29th
Winnetka IL Weather - Tuesday, Sep 29, 2026 - Cloudy
Hi: 76°F 25°C
Lo: 60°F 16°C
Sunrise 06:46 AM
Sunset 06:36 PM
Wind S 7 mph11 km/h
Dew Point 48°F9°C
uv Index 5
Barometric Pressure 30 in1016 mb
POP 7% *
Humidity 40%
Wed, 30th
Winnetka IL Weather - Wednesday, Sep 30, 2026 - Overcast
Hi: 71°F 21°C
Lo: 63°F 17°C
Sunrise 06:47 AM
Sunset 06:34 PM
Wind SW 6 mph9 km/h
Dew Point 45°F7°C
uv Index 1
Barometric Pressure 29.91 in1013 mb
POP 10% *
Humidity 42%
Thu, 1st
Winnetka IL Weather - Thursday, Oct 1, 2026 - Light Rain Shower
Hi: 67°F 19°C
Lo: 62°F 17°C
Sunrise 06:48 AM
Sunset 06:32 PM
Wind WSW 4 mph7 km/h
Dew Point 64°F18°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 67% *
Humidity 95%
Fri, 2nd
Winnetka IL Weather - Friday, Oct 2, 2026 - Overcast
Hi: 62°F 17°C
Lo: 53°F 12°C
Sunrise 06:49 AM
Sunset 06:31 PM
Wind ENE 11 mph17 km/h
Dew Point 45°F7°C
uv Index 3
Barometric Pressure 30.15 in1021 mb
POP 28% *
Humidity 63%
Sat, 3rd
Winnetka IL Weather - Saturday, Oct 3, 2026 - Mist
Hi: 65°F 19°C
Lo: 54°F 12°C
Sunrise 06:50 AM
Sunset 06:29 PM
Wind SSW 2 mph4 km/h
Dew Point 58°F14°C
uv Index 4
Barometric Pressure 29.88 in1012 mb
POP 38% *
Humidity 95%
Sun, 4th
Winnetka IL Weather - Sunday, Oct 4, 2026 - Patchy Rain Nearby
Hi: 61°F 16°C
Lo: 48°F 9°C
Sunrise 06:52 AM
Sunset 06:27 PM
Wind WSW 5 mph8 km/h
Dew Point 57°F14°C
uv Index 4
Barometric Pressure 29.68 in1005 mb
POP 30% *
Humidity 91%
Mon, 5th
Winnetka IL Weather - Monday, Oct 5, 2026 - Sunny
Hi: 53°F 12°C
Lo: 41°F 5°C
Sunrise 06:53 AM
Sunset 06:26 PM
Wind WNW 14 mph22 km/h
Dew Point 27°F-3°C
uv Index 3
Barometric Pressure 29.97 in1015 mb
POP 1% *
Humidity 42%
Tue, 6th
Winnetka IL Weather - Tuesday, Oct 6, 2026 - Sunny
Hi: 65°F 18°C
Lo: 46°F 8°C
Sunrise 06:54 AM
Sunset 06:24 PM
Wind WSW 6 mph10 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 42%
Wed, 7th
Winnetka IL Weather - Wednesday, Oct 7, 2026 - Sunny
Hi: 72°F 22°C
Lo: 57°F 14°C
Sunrise 06:55 AM
Sunset 06:22 PM
Wind SW 13 mph22 km/h
Dew Point 42°F6°C
uv Index 6
Barometric Pressure 30.09 in1019 mb
POP 2% *
Humidity 38%
Thu, 8th
Winnetka IL Weather - Thursday, Oct 8, 2026 - Sunny
Hi: 62°F 17°C
Lo: 52°F 11°C
Sunrise 06:56 AM
Sunset 06:21 PM
Wind NE 12 mph19 km/h
Dew Point 40°F5°C
uv Index 4
Barometric Pressure 30.3 in1026 mb
POP 3% *
Humidity 52%
Fri, 9th
Winnetka IL Weather - Friday, Oct 9, 2026 - Sunny
Hi: 54°F 12°C
Lo: 49°F 10°C
Sunrise 06:57 AM
Sunset 06:19 PM
Wind ENE 8 mph13 km/h
Dew Point 37°F3°C
uv Index 4
Barometric Pressure 30.3 in1026 mb
POP 3% *
Humidity 54%
* POP = Probability of Precipitation. Data for 12:00 PM.