Weather forecast for todayCrystal Lake, IL

Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

Weather forecast for today

Current condition 11:04 pm CDT

  • 50°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precipitation: 0"
  • Wind: 0mphNW 310°
  • Humidity: 77%
  • Dewpoint: 43°F
  • Pressure: 30.31"Hg
  • Visibility: 7mi
  • UV index: 0
  • ▼
Currently, in Crystal Lake, the sky features a blend of clouds and blue patches.
The temperature is a crisp 50°F. The current temperature is a few degrees off the lowest expected temperature.

Tuesday Oct 20, 2026

  • min.
  • 41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphSSE 162°
  • Humidity: 85%
  • UV index: 0
  • Sunrise: 7:12 am CDT
  • Sunset: 6:03 pm CDT
  • ▼
In Crystal Lake, for the rest of Tuesday, mostly clear conditions will likely continue.
The lowest temperature will be a wintry 41°F.
Sunrise was at 7:12 am and sunset at 6:03 pm; the daylight lasted for 10h and 52min.

Hourly overview

Hourly temperatures

Warmest hour: 11 pm 50°C.
Coldest period: 6 am - 7 am 41°C.

Chance of precipitation

Highest chance: 6 am - 7 am 6%.

Hourly weather forecast

  • 11 pm
  • 50°F
  • Feels like:
    50°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 0mphSE 128°
  • Humidity: 79%
  • Pressure: 30.3"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 12 am
  • 48°F
  • Feels like:
    48°F
Mostly Clear
Mostly Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSE 142°
  • Humidity: 80%
  • Pressure: 30.3"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 1 am
  • 46°F
  • Feels like:
    46°F
Mostly Clear
Mostly Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphSSE 154°
  • Humidity: 81%
  • Pressure: 30.3"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 2 am
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphSSE 165°
  • Humidity: 88%
  • Pressure: 30.3"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 3 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 1mphSSE 169°
  • Humidity: 89%
  • Pressure: 30.27"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphS 173°
  • Humidity: 90%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 5 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 1mphS 176°
  • Humidity: 90%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 1mphS 186°
  • Humidity: 89%
  • Pressure: 30.27"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 7 am
  • 41°F
  • Feels like:
    41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphSSW 197°
  • Humidity: 90%
  • Pressure: 30.27"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 8 am
  • 45°F
  • Feels like:
    45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphSSW 201°
  • Humidity: 87%
  • Pressure: 30.27"Hg
  • Visibility: 9mi
  • UV index: 0
  • ▼
  • 9 am
  • 50°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 2mphSSW 210°
  • Humidity: 77%
  • Pressure: 30.27"Hg
  • Visibility: 9mi
  • UV index: 1
  • ▼
Updated: Oct 21, 2026 @ 04:04:01 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 11:04 pm CDT is 50°F.

On Tuesday, expect mostly clear skies with light airflow.

On Tuesday, in Crystal Lake, sunrise was at 7:12 am and sunset at 6:03 pm (CDT).

Today, the daylight lasted for 10h and 52min.
Today
Tomorrow
Long-term
YearJFMAMJJASOctoberND

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Crystal Lake, Illinois, USA

  • en: Crystal Lake, Illinois, USA
  • es: Crystal Lake, Illinois, EE.UU.
  • hr: Kristal Lejk, Ilinois, SAD
  • mk: Kristal Lejk, Ilinois, SAD
  • sr: Kristal Lejk, Ilinois, SAD
  • zh: 克里斯特尔莱克, 伊利诺伊, 美国
  • Latitude: 42.241134°
  • Longitude: -88.316196°
  • Elevation: 909 ft
  • Current time: 11:04pm CDT
  • Sunrise: 7:12 am CDT
  • Sunset: 6:03 pm CDT
  • Timezone: America/Chicago

Nearby Crystal Lake, Illinois, USA

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