Weather forecast for todaySaint Charles, IL

Weather forecast for today

Current condition 9:05 am CDT

  • 45°F
  • Feels like:
    37°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 11mphSSW 200°
  • Humidity: 72%
  • Dewpoint: 36°F
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
At the moment, sunshine is pouring down, making for a beautiful day.
The temperature is a brisk 44.6°F, the felt air temperature, due to the wind, registers as estimated at a cold 37.4°F. The current temperature is relatively far from the maximum of 62.6°F anticipated for today.

Sunday Oct 18, 2026

  • 63°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 15mphSSW 203°
  • Humidity: 47%
  • UV index: 4
  • Sunrise: 7:09 am CDT
  • Sunset: 6:07 pm CDT
  • ▼
On Sunday, October 18, sun-filled conditions are expected to persist.
The temperature is predicted to oscillate between a maximum of an enjoyable 62.6°F and a minimum of a cold 37.4°F.
The expected peak temperature will reflect the average October high of 60.3°F.
Sunrise was at 7:09 am and sunset will be at 6:07 pm; the daylight will last for 10h and 58min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 63°C.
Coldest hour: 12 am 46°C.

Chance of precipitation

Highest chance: 12 am 3%.

Hourly weather forecast

  • 10 am
  • 48°F
  • Feels like:
    43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 12mphSSW 206°
  • Humidity: 60%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 11 am
  • 54°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 205°
  • Humidity: 54%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 205°
  • Humidity: 48%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 207°
  • Humidity: 43%
  • 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: 15mphSSW 205°
  • Humidity: 40%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 14mphSSW 202°
  • Humidity: 37%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 63°F
  • Feels like:
    61°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 13mphSSW 199°
  • Humidity: 37%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 196°
  • Humidity: 38%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 191°
  • Humidity: 43%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:07 pm
  • 7 pm
  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphS 185°
  • Humidity: 50%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 52°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 187°
  • Humidity: 57%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 50°F
  • Feels like:
    46°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphS 189°
  • Humidity: 62%
  • 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 195°
  • Humidity: 66%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphSSW 195°
  • Humidity: 69%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Saint Charles, sunshine is expected.
The temperature will be between the lowest temperature of 46.4°F and the highest temperature of 62.6°F. The warmest part of the day will be at 3 pm and 4 pm.
Today, the maximum will be comparable to October's typical high. Today, expect the temperature to be more close to the typical minimum for November than for October.
Updated: Oct 18, 2026 @ 14:05:13 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (9:05 am CDT) it is 44.6°F in Saint Charles. Feels-like temperature is 37.4°F.

On Sunday, expect consistent sunshine and open skies.

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

On Sunday, in Saint Charles, sunrise was at 7:09 am and sunset will be at 6:07 pm (CDT).

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