Weather forecast for todayWestchester, IL

Weather forecast for today

Current condition 7:58 am CDT

  • 43°F
  • Feels like:
    43°F
Fair
Fair
  • Precipitation: 0"
  • Wind: 1mphWSW 250°
  • Humidity: 98%
  • Dewpoint: 43°F
  • Pressure: 30.3"Hg
  • Visibility: 6mi
  • UV index: 0
  • ▼
Currently, the sky is mostly clear, providing excellent visibility.
The temperature is a frosty 42.8°F. The current temperature is far from today's maximum-anticipated 73.4°F.

Wednesday Oct 21, 2026

  • 73°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSSW 211°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:11 am CDT
  • Sunset: 6:01 pm CDT
  • ▼
On Wednesday, October 21, sunshine and minimal clouds are in the outlook.
Temperatures will oscillate between a temperate 73.4°F at their highest and a chilly 48.2°F at their lowest.
The forecast high of 73.4°F aligns more closely with September's typical high of 73.4°F than with October's usual 60.4°F.
Sunrise was at 7:11 am and sunset will be at 6:01 pm; the daylight will last for 10h and 50min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 72°C.
Coldest hour: 8 am 45°C.

Chance of precipitation

Highest chance: 12 am 11%.

Hourly weather forecast

  • 8 am
  • 45°F
  • Feels like:
    45°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSSW 198°
  • Humidity: 91%
  • Pressure: 30.3"Hg
  • Visibility: 1mi
  • UV index: 0
  • ▼
  • 9 am
  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSSW 196°
  • Humidity: 76%
  • Pressure: 30.3"Hg
  • Visibility: 2mi
  • UV index: 1
  • ▼
  • 10 am
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSW 200°
  • Humidity: 64%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 11 am
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 202°
  • Humidity: 49%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSW 213°
  • Humidity: 42%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 222°
  • Humidity: 38%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphSW 221°
  • Humidity: 37%
  • Pressure: 30.21"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSW 225°
  • Humidity: 37%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSW 230°
  • Humidity: 38%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 70°F
  • Feels like:
    70°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphWSW 238°
  • Humidity: 40%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 5mphS 170°
  • Humidity: 47%
  • Pressure: 30.18"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:01 pm
  • 7 pm
  • 63°F
  • Feels like:
    63°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSE 141°
  • Humidity: 54%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 8 pm
  • 61°F
  • Feels like:
    61°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSSE 155°
  • Humidity: 60%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 9 pm
  • 59°F
  • Feels like:
    59°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 3mphSSE 164°
  • Humidity: 64%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 10 pm
  • 57°F
  • Feels like:
    57°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 3mphSSW 207°
  • Humidity: 68%
  • Pressure: 30.21"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 11 pm
  • 55°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphSW 218°
  • Humidity: 72%
  • Pressure: 30.21"Hg
  • Visibility: 8mi
  • UV index: 0
  • ▼
Today, primarily dry and sunny and occasionally cloudy weather is forecasted.
The temperature will vary between the highest temperature of 71.6°F and the lowest temperature of 44.6°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more in line with September's average high than the expected maximum for October. The expected low will be comparable to the average minimum in October, which is 46.6°F.
Updated: Oct 21, 2026 @ 12:58:48 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (7:58 am CDT) it is 42.8°F in Westchester.

On Wednesday, conditions remain stable and sunny, with little cloud presence.

Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 48.2°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 60.4°F in October. The lowest temperature will be in line with the average low of 46.6°F.

On Wednesday, in Westchester, sunrise was at 7:11 am and sunset will be at 6:01 pm (CDT).

In Westchester, today, there will be 10h and 50min of daylight.