Weather forecast for todayAlgonquin, IL

Weather forecast for today

Current condition 1:57 am CDT

  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 7mphSSW 200°
  • Humidity: 69%
  • Dewpoint: 34°F
  • Pressure: 30.44"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, the conditions remain clear, with no sign of cloud cover.
The temperature is a chilly 42.8°F, the real-feel reading is calculated to be a cold 39.2°F. The current temperature is far from today's maximum-forecasted 62.6°F.

Sunday Oct 18, 2026

  • 63°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 14mphSSW 205°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:06 pm CDT
  • ▼
Today, on Sunday, October 18, the outlook remains bright and sunny.
The highest temperature will be a comfortable 62.6°F, while the lowest predicted temperature is a cold 37.4°F.
The highest temperature for today is forecasted to reflect October's average of 59.5°F.
Sunrise will be at 7:09 am and sunset at 6:06 pm; the daylight will last for 10h and 58min.

Hourly overview

Hourly temperatures

Warmest period: 2 pm - 5 pm 61°C.
Coldest hour: 5 am 39°C.

Chance of precipitation

Highest chance: 2%.

Hourly weather forecast

  • 2 am
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 207°
  • Humidity: 70%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 207°
  • Humidity: 74%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    34°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphSSW 205°
  • Humidity: 79%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:09 am
  • 8 am
  • 41°F
  • Feels like:
    36°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphSSW 203°
  • Humidity: 79%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    46°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphSSW 207°
  • Humidity: 58%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 209°
  • Humidity: 44%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 209°
  • Humidity: 39%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSSW 202°
  • Humidity: 37%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphSSW 193°
  • Humidity: 44%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:06 pm
  • 8 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphS 191°
  • Humidity: 56%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 48°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphSSW 199°
  • Humidity: 63%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, sunshine is expected.
The temperature will be between a minimum of 39.2°F and a maximum of 60.8°F. The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature today will be resembling October's average high. The minimum temperature will be more in line with November's average low of 31.8°F than October's typical 44.2°F.
Updated: Oct 18, 2026 @ 06:57:30 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The current temperature (1:57 am CDT) is 42.8°F.

On Sunday, sunny skies and pleasant visibility are expected.

Today, the maximum temperature will be 62.6°F, while the minimum temperature will be 37.4°F.
Today, the maximum temperature will be in line with the average highest temperature in October. The lowest temperature today will be moderately lower than the average low temperature.

On Sunday, in Algonquin, sunrise will be at 7:09 am and sunset at 6:06 pm (CDT).

Today, the daylight will last for 10h and 58min.