Live Weather & Forecast

Weather in Winnetka

Q: What is the current weather in Winnetka?

Current conditions in Winnetka: Sunny, temperature 22°C, humidity 59%.

Q: What is the best time to visit Winnetka?

The best time to visit Winnetka is typically June – September. Warm, dry summers — ideal for outdoor activities.

Q: What are the GPS coordinates used for the weather forecast in Winnetka?

The weather forecast for Winnetka uses coordinates 42.1081, -87.7365.

Illinois, United States · Real-time conditions & 3-day outlook

22^°C

Feels like 25°C

72°F / Feels 76°F

Sunny

Winnetka, Illinois

🌞 Daytime

Updated: 2026-04-12 11:45

💧

Humidity

59%

💨

Wind

23.8 km/h SSW

🌬️

Wind Gust

39.1 km/h

🌡️

Pressure

1014 mb

👁️

Visibility

16 km

☀️

UV Index

4.3 (Moderate)

🌧️

Precipitation

0 mm

☁️

Cloud Cover

💦

Dew Point

16.5°C

🌐

Wind Degree

210°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)

166.9 μg/m³

NO₂

7.8 μg/m³

O₃

104 μg/m³

SO₂

3.5 μg/m³

PM 2.5

8.2 μg/m³

PM 10

8.6 μg/m³

Weather Alerts 2

Met · Severe · Immediate

Flood Warning issued April 11 at 9:24PM CDT until April 14 at 7:00PM CDT by NWS Chicago IL

...The Flood Warning continues for the following rivers in Illinois...Indiana... Fox River at Algonquin Lock & Dam tailwater affecting Lake IL, McHenry and Kane Counties. Kankakee River at Dunns Bridge affecting Jasper and Porter Counties. Kankakee River at Shelby affecting Newton and Lake IN Counties. ...The Flood Warning is extended for the following rivers in Illinois... Des Plaines River...

A Flood Warning means water levels above flood stage are imminent or may already be occurring. Persons along rivers and streams in the warned area should take immediate precautions to protect life and property. These forecasts are based on observed precipitation as well as forecast precipitation...

Effective: 2026-04-11T21:24:00-05:00 · Expires: 2026-04-12T15:30:00-05:00

Met · Severe · Immediate

Flood Warning issued April 11 at 9:24PM CDT until April 14 at 7:00PM CDT by NWS Chicago IL

Effective: 2026-04-11T21:24:00-05:00 · Expires: 2026-04-12T15:30:00-05:00

Today's Hourly Forecast

24-hour breakdown for Winnetka, Illinois

12 AM

10°

Clear

💧 65% 💨 13.7 km/h

1 AM

11°

Clear

💧 64% 💨 11.2 km/h

2 AM

11°

Clear

💧 68% 💨 12.2 km/h

3 AM

11°

Clear

💧 66% 💨 13.7 km/h

4 AM

11°

Clear

💧 68% 💨 14.4 km/h

5 AM

12°

Clear

💧 74% 💨 15.5 km/h

6 AM

12°

Clear

💧 81% 💨 16.9 km/h

7 AM

14°

Sunny

💧 82% 💨 18.7 km/h

8 AM

17°

Sunny

💧 74% 💨 20.2 km/h

9 AM

19°

Sunny

💧 66% 💨 20.9 km/h

10 AM

22°

Sunny

💧 61% 💨 20.5 km/h

11 AM

22°

Sunny

💧 59% 💨 23.8 km/h

12 PM

27°

Sunny

💧 53% 💨 24.8 km/h

1 PM

27°

Sunny

💧 47% 💨 26.3 km/h

2 PM

28°

Sunny

💧 45% 💨 26.3 km/h

3 PM

28°

Sunny

💧 43% 💨 26.3 km/h

4 PM

26°

Sunny

💧 45% 💨 26.6 km/h

5 PM

24°

Overcast

💧 61% 💨 22.7 km/h

6 PM

22°

Overcast

💧 65% 💨 19.1 km/h

7 PM

21°

Light rain shower

💧 89% 💨 15.8 km/h 🌧️ 100%

8 PM

20°

Overcast

💧 74% 💨 17.6 km/h

9 PM

20°

Overcast

💧 88% 💨 23.4 km/h

10 PM

19°

Moderate rain

💧 81% 💨 24.8 km/h 🌧️ 100%

11 PM

18°

Overcast

💧 95% 💨 25.6 km/h

3-Day Forecast

Daily overview for Winnetka, Illinois

Today

Patchy rain nearby

29° / 10°

🌧️ 84% chance of rain

💧 Avg. humidity: 67%

💨 Max wind: 26.6 km/h

🌧️ Total precip: 4.91 mm

☀️ UV Index: 1.1

🌅 Sunrise: 06:15 AM

🌇 Sunset: 07:30 PM

🌙 Waning Crescent

🌑 Moon: 33% lit

Mon, Apr 13

Moderate rain

24° / 16°

🌧️ 84% chance of rain

💧 Avg. humidity: 87%

💨 Max wind: 26.3 km/h

🌧️ Total precip: 9.97 mm

☀️ UV Index: 1.3

🌅 Sunrise: 06:14 AM

🌇 Sunset: 07:31 PM

🌙 Waning Crescent

🌑 Moon: 23% lit

Tue, Apr 14

Thundery outbreaks in nearby

26° / 19°

🌧️ 0% chance of rain

💧 Avg. humidity: 85%

💨 Max wind: 27 km/h

🌧️ Total precip: 0 mm

☀️ UV Index: 0.9

🌅 Sunrise: 06:12 AM

🌇 Sunset: 07:32 PM

🌙 Waning Crescent

🌑 Moon: 15% lit

Best Time to Visit Winnetka

Plan your trip to Winnetka, United States around the most favorable weather conditions.

Peak Season

June – September

Warm, dry summers — ideal for outdoor activities.

Shoulder Season

April – May, October

Fewer crowds, moderate prices, mild weather.

Off Season

November – March

Cooler temperatures; some regions may experience rain or snow.

← Back to Winnetka 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Winnetka?

Current conditions in Winnetka: Sunny, temperature 22°C, humidity 59%.

What is the best time to visit Winnetka?

The best time to visit Winnetka is typically June – September. Warm, dry summers — ideal for outdoor activities.

What is the climate like in Winnetka?

Winnetka is located at approximately 42.1° latitude. It has a temperate climate with warm summers and cold winters.

Does it rain a lot in Winnetka?

The wettest period in Winnetka is typically during November – March. Cooler temperatures; some regions may experience rain or snow.

What should I pack for a trip to Winnetka?

For visits to Winnetka during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.

What country is Winnetka in?

Winnetka is located in United States, in the state of Illinois.

What are the public holidays in Winnetka in 2026?

View the 2026 public holidays for Winnetka on our Holidays page.

What are the GPS coordinates used for the weather forecast in Winnetka?

The weather forecast for Winnetka uses coordinates 42.1081, -87.7365.