Weather forecast for todaySycamore, IL

Weather forecast for today

Current condition 2:15 am CDT

  • 43°F
  • Feels like:
    37°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 8mphS 190°
  • Humidity: 76%
  • Dewpoint: 36°F
  • Pressure: 30.44"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Currently, no clouds in sight, just a completely clear atmosphere.
The temperature is a brisk 42.8°F, the feels-like reading is calculated to be a cold 37.4°F. The current temperature is far from today's maximum-forecasted 64.4°F.

Sunday Oct 18, 2026

  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 16mphSSW 200°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:10 am CDT
  • Sunset: 6:08 pm CDT
  • ▼
Today, in Sycamore, sunny skies are in store, with excellent visibility.
A considerable disparity in temperature is anticipated, reaching up to a maximum of a breezy 64.4°F and falling to a minimum of an icy 37.4°F.
The forecasted high for today is forecasted to be slightly warmer than the typical October maximum of 59.9°F.
Sunrise will be at 7:10 am and sunset at 6:08 pm; the daylight will last for 10h and 58min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 63°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 12 am 3%.

Hourly weather forecast

  • 4 am
  • 41°F
  • Feels like:
    36°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphSSW 204°
  • Humidity: 79%
  • 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: 9mphSSW 202°
  • Humidity: 82%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:10 am
  • 8 am
  • 41°F
  • Feels like:
    34°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphSSW 201°
  • Humidity: 82%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    45°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 13mphSSW 200°
  • Humidity: 60%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphSSW 203°
  • Humidity: 46%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 16mphSSW 204°
  • Humidity: 38%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphSSW 199°
  • Humidity: 35%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 185°
  • Humidity: 43%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:08 pm
  • 8 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphS 182°
  • 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: 7mphS 188°
  • Humidity: 65%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Sycamore, mainly sunny weather and a cloudless sky are anticipated.
The temperature will be between the highest temperature of 62.6°F and the lowest temperature of 39.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature today will be slightly warmer than October's typical maximum temperature. The lowest temperature is more in line with November's average minimum of 32°F than the usual minimum of 44.1°F in October.
Updated: Oct 18, 2026 @ 07:15:30 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (2:15 am CDT) it is 42.8°F in Sycamore. Feels-like temperature is 37.4°F.

Today, expect consistent sunshine and open skies.

Today, the highest temperature will be 64.4°F, while the lowest temperature will be 37.4°F.
The highest temperature will be a couple of degrees higher than the average maximum of 59.9°F in October. The lowest temperature today will be also a couple of degrees lower than the average low temperature.

On Sunday, in Sycamore, sunrise will be at 7:10 am and sunset at 6:08 pm (CDT).

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