Weather forecast for today
O'Fallon, IL

Weather forecast for today

Tuesday, Apr 1.

Partly Cloudy
6:42 am

7:24 pm
CDT
Partly Cloudy
61°F / 54°F
  • Wind: 16mph ESE
  • Humidity: 55%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 5
Today, in O'Fallon, patchy clouds will move across the sky, allowing for sunshine at times.
Temperature values will show minor divergence, extending from a comfortable 60.8°F to a crisp 53.6°F.
The expected top temperature is expected to be a few degrees lower than the usual April maximum of 64.9°F.
Sunrise was at 6:42 am and sunset will be at 7:24 pm; the daylight will last for 12h and 43min.

Current condition

Sunny
8:46 am CDT
Sunny
  • 43°F
  • Feels like: 37°F
  • Wind: 11mph ESE
  • Humidity: 81%
  • Dewpoint: 37°F
  • Pressure: 30.11"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 1
Currently, a calm and sunny day is perfect for outdoor activities.
The temperature is a chilly 42.8°F, with the real-feel temperature being appraised at an icy 37.4°F. The current temperature is relatively far from the maximum of 60.8°F predicted for today.

Frequently asked questions

What is the temperature now?
The temperature at 8:46 am CDT is 42.8°F. Feels-like temperature is 37.4°F.
What is the weather forecast for O'Fallon for today?
Today, in O'Fallon, expect a mix of sun and clouds throughout the day.
What will be the highest temperature in O'Fallon today?
Today, the highest temperature will be 60.8°F, while the lowest temperature will be 53.6°F.
The highest temperature will be a couple of degrees lower than the average maximum of 64.9°F in April. The lowest temperature will be also a few degrees higher than the average low of 47.8°F.
When are sunrise and sunset today in O'Fallon?
On Tuesday, in O'Fallon, sunrise was at 6:42 am and sunset will be at 7:24 pm (CDT).
How long is the day today?
In O'Fallon, today, there will be 12h and 43min of daylight.

Hourly weather forecast

9 am
  • 45°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph ESE
  • Pressure: 30.09"Hg
  • Humidity: 79%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 46°F
  • Feels like:
    41°F
Partly Cloudy
Partly Cloudy
  • Wind: 12mph ESE
  • Pressure: 30.09"Hg
  • Humidity: 67%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
11 am
  • 50°F
  • Feels like:
    45°F
Partly Cloudy
Partly Cloudy
  • Wind: 14mph ESE
  • Pressure: 30.06"Hg
  • Humidity: 57%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 52°F
  • Feels like:
    46°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 14mph ESE
  • Pressure: 30.03"Hg
  • Humidity: 52%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
1 pm
  • 54°F
  • Feels like:
    50°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 12mph SE
  • Pressure: 30"Hg
  • Humidity: 48%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 55°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 13mph SE
  • Pressure: 29.97"Hg
  • Humidity: 47%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
3 pm
  • 57°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Wind: 15mph SE
  • Pressure: 29.94"Hg
  • Humidity: 44%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 57°F
  • Feels like:
    55°F
Cloudy
Cloudy
  • Wind: 14mph SE
  • Pressure: 29.88"Hg
  • Humidity: 43%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
5 pm
  • 59°F
  • Feels like:
    55°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 16mph SE
  • Pressure: 29.85"Hg
  • Humidity: 43%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 59°F
  • Feels like:
    55°F
Partly Cloudy
Partly Cloudy
  • Wind: 16mph SE
  • Pressure: 29.83"Hg
  • Humidity: 44%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
7 pm
  • 57°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Wind: 15mph SE
  • Pressure: 29.8"Hg
  • Humidity: 47%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 7:24 pm
8 pm
  • 57°F
  • Feels like:
    54°F
Partly Cloudy
Partly Cloudy
  • Wind: 15mph SE
  • Pressure: 29.77"Hg
  • Humidity: 52%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
9 pm
  • 55°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 13mph SE
  • Pressure: 29.8"Hg
  • Humidity: 55%
  • Precip. probability: 8%
  • Precipitation: 0"
  • Visibility: 10mi
10 pm
  • 55°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 14mph SE
  • Pressure: 29.77"Hg
  • Humidity: 58%
  • Precip. probability: 3%
  • Precipitation: 0"
  • Visibility: 10mi
11 pm
  • 55°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 14mph SE
  • Pressure: 29.74"Hg
  • Humidity: 62%
  • Precip. probability: 10%
  • Precipitation: 0"
  • Visibility: 10mi
Today, in O'Fallon, expect mostly cloudy skies.
The temperature will vary between the lowest temperature of 44.6°F and the highest temperature of 59°F. The feels-like temperature will be between the lowest temperature of 37.4°F and the highest temperature of 55.4°F. The warmest part of the day will be at 5 pm and 6 pm.
The high will be relatively lower than the normal maximum of 64.9°F for April. The expected low will be more close to what’s common in May than the current April average of 47.8°F.
Updated: Apr 1, 2025 @ 13:46:07 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate

O'Fallon, Illinois, USA

  • en: O'Fallon, Illinois, USA
  • es: O'Fallon, Illinois, EE.UU.
  • hr: O'Falon, Ilinois, SAD
  • sr: O'Falon, Ilinois, SAD
  • zh: O'Fallon, 伊利诺伊, 美国
  • Latitude: 38.592323°
  • Longitude: -89.910991°
  • Elevation: 554 ft
  • Current time: 8:46am CDT
  • Sunrise: 6:42 am CDT
  • Sunset: 7:24 pm CDT
  • Timezone: America/Chicago
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