Weather forecast for todaySaint Charles, MO

Weather forecast for today

Current condition 11:14 am CDT

  • 52°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 3mphNNE 30°
  • Humidity: 57%
  • Dewpoint: 37°F
  • Pressure: 30.57"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
Currently, in Saint Charles, no clouds, just endless sunshine warming the day.
The temperature is a crisp 51.8°F. The current temperature is a few degrees off the maximum of 59°F for the day.

Saturday Oct 17, 2026

  • 59°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 4mphNNE 25°
  • Humidity: 43%
  • UV index: 5
  • Sunrise: 7:13 am CDT
  • Sunset: 6:20 pm CDT
  • ▼
Today, in Saint Charles, sunshine will likely continue with scattered clouds at most.
The temperature is predicted to vary between a refreshing 59°F and a cold 37.4°F.
Today, expect colder conditions as the high matches November's average of 53.2°F, not October's.
Sunrise was at 7:13 am and sunset will be at 6:20 pm; the daylight will last for 11h and 7min.

Hourly overview

Hourly temperatures

Warmest hour: 4 pm 59°C.
Coldest hour: 2 am 41°C.

Chance of precipitation

Highest chance: 2 am 2%.

Hourly weather forecast

  • 12 pm
  • 54°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 23°
  • Humidity: 50%
  • Pressure: 30.53"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 1 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 12°
  • Humidity: 44%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 5
  • ▼
  • 2 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNNE 26°
  • Humidity: 40%
  • Pressure: 30.5"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 3 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphN 7°
  • Humidity: 38%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 59°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphN 355°
  • Humidity: 36%
  • Pressure: 30.47"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 57°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphNE 48°
  • Humidity: 36%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 55°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 2mphENE 72°
  • Humidity: 43%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:20 pm
  • 7 pm
  • 52°F
  • Feels like:
    52°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphE 98°
  • Humidity: 55%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphESE 111°
  • Humidity: 61%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 48°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphSE 135°
  • Humidity: 67%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSE 142°
  • Humidity: 74%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 45°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 2mphSSE 151°
  • Humidity: 75%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Saint Charles, mainly sunny weather and a cloudless sky are anticipated.
The temperature will be between a minimum of 44.6°F and a maximum of 59°F. The warmest part of the day is anticipated around 4 pm.
The maximum is expected to resemble November's average high of 53.2°F rather than October's. The lowest temperature today is also more consistent with November's average minimum of 37.9°F than the average low in October of 49.5°F.
Updated: Oct 17, 2026 @ 16:14:05 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

At 11:14 am CDT, the temperature in Saint Charles is 51.8°F.

On Saturday, sunny skies and pleasant visibility are expected.

Today, the highest temperature will be 59°F, while the lowest temperature will be 37.4°F.
The maximum temperature will be slightly cooler than the average highest temperature of 66°F in October. The lowest temperature will be noticeably lower than the average low of 49.5°F.

On Saturday, in Saint Charles, sunrise was at 7:13 am and sunset will be at 6:20 pm (CDT).

In Saint Charles, the length of the day today will be 11h and 7min.