Weather forecast for todayCrystal Lake, IA

Weather forecast for today

Current condition 11:19 am CDT

  • 50°F
  • Feels like:
    43°F
Sunny / Wind
Sunny / Wind
  • Precipitation: 0"
  • Wind: 20mphSSW 200°
  • Humidity: 50%
  • Dewpoint: 32°F
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
In Crystal Lake, currently, the weather is sunny with a steady breeze.
The temperature is a cool 50°F, the feels-like temperature, due to the wind, registers as computed to be a chilly 42.8°F. The current temperature is a few degrees off the maximum of 59°F for today.

Saturday Oct 17, 2026

  • 59°F
  • 39°F
Sunny / Wind
Sunny / Wind
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 20mphSSW 203°
  • Humidity: 43%
  • UV index: 4
  • Sunrise: 7:31 am CDT
  • Sunset: 6:29 pm CDT
  • ▼
On Saturday, in Crystal Lake, sunny skies will be accompanied by moderate to strong winds.
The temperature will vary between a maximum of a moderate 59°F and a minimum of an icy 39.2°F.
The temperature for today is expected to correspond with the average October peak of 56.7°F.
Sunrise was at 7:31 am and sunset will be at 6:29 pm; the daylight will last for 10h and 58min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 4 pm 57°C.
Coldest hour: 2 am 43°C.

Chance of precipitation

Highest chance: 12 am - 2 am 2%.

Hourly weather forecast

  • 12 pm
  • 52°F
  • Feels like:
    46°F
Sunny / Wind
Sunny / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 20mphSSW 209°
  • Humidity: 45%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 1 pm
  • 55°F
  • Feels like:
    50°F
Sunny / Wind
Sunny / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 20mphSSW 208°
  • Humidity: 42%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 57°F
  • Feels like:
    52°F
Sunny / Wind
Sunny / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 20mphSSW 206°
  • Humidity: 40%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 57°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 18mphSSW 203°
  • Humidity: 40%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 57°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 18mphSSW 201°
  • Humidity: 40%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 57°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphSSW 198°
  • Humidity: 41%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 54°F
  • Feels like:
    50°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 192°
  • Humidity: 45%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:29 pm
  • 7 pm
  • 52°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphS 190°
  • Humidity: 51%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 48°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 13mphSSW 191°
  • Humidity: 58%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 46°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSSW 194°
  • Humidity: 61%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 46°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSSW 195°
  • Humidity: 63%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSSW 198°
  • Humidity: 64%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, bright and mostly sunny weather is expected.
The temperature will vary between a minimum of 44.6°F and a maximum of 57.2°F. The feels-like temperature will be between a maximum of 53.6°F and a minimum of 37.4°F. The warmest part of the day will be from 2 pm to 5 pm.
Today, the forecasted high aligns consistent with the average peak in October. The lowest temperature today will be also comparable to October's average minimum.
Updated: Oct 17, 2026 @ 16:19:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (11:19 am CDT) is 50°F. Feels-like temperature is 42.8°F.

On Saturday, in Crystal Lake, expect sunny conditions paired with gusty winds.

Today, the maximum temperature will be 59°F, while the minimum temperature will be 39.2°F.
The highest temperature today will be in line with the average maximum temperature in October. Today, the lowest temperature will be also in line with the average low temperature.

On Saturday, in Crystal Lake, sunrise was at 7:31 am and sunset will be at 6:29 pm (CDT).

In Crystal Lake, the length of the day today will be 10h and 58min.