Weather forecast for today
O'Fallon, MO

Weather forecast for today

Thursday, Apr 24.

Mostly Sunny
6:11 am

7:49 pm
CDT
Mostly Sunny
84°F / 63°F
  • Wind: 6mph SE
  • Humidity: 49%
  • Precip. probability: 2%
  • Precipitation: 0"
  • UV index: 8
On Thursday, April 24, a glowing sky and minimal clouds are expected.
The temperature is forecasted to vary between a maximum of a moderately hot 84.2°F and a minimum of a breezy 62.6°F.
The maximum heat index, which combines relative humidity and air temperature, is computed to be a tropical 86°F. Take into consideration that the heat index values are calculated for shade and light wind conditions.
The day’s maximum of 84.2°F shows a shift toward May's pattern over April's.
Sunrise was at 6:11 am and sunset will be at 7:49 pm; the daylight will last for 13h and 38min.

Current condition

Sunny
7:53 am CDT
Sunny
  • 59°F
  • Feels like: 59°F
  • Wind: 0mph NNW
  • Humidity: 84%
  • Dewpoint: 54°F
  • Pressure: 30.1"Hg
  • Precipitation: 0"
  • Visibility: 10mi
  • UV index: 1
At the moment, in O'Fallon, the sun is casting warm light across the landscape.
The temperature is a moderate 59°F. The current temperature is almost at the minimum-expected 62.6°F for today.

Frequently asked questions

What is the temperature now?
At 7:53 am CDT, the temperature is 59°F.
What is the weather forecast for O'Fallon for today?
On Thursday, in O'Fallon, clear skies with only minor cloud interruptions are in the outlook.
What will be the highest temperature in O'Fallon today?
Today, the highest temperature will be 84.2°F, while the lowest temperature will be 62.6°F. The maximum heat index, which combines relative humidity and air temperature, is estimated at 86°F.
The highest temperature will be notably higher than the average maximum of 65.3°F in April. The lowest temperature will be also uncommonly higher than the average low of 47.3°F.
What time are sunrise and sunset today?
On Thursday, in O'Fallon, sunrise was at 6:11 am and sunset will be at 7:49 pm (CDT).
How long is the day today?
In O'Fallon, today, there will be 13h and 38min of daylight.

Hourly weather forecast

8 am
  • 59°F
  • Feels like:
    59°F
Mostly Sunny
Mostly Sunny
  • Wind: 1mph SE
  • Pressure: 30.09"Hg
  • Humidity: 83%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
9 am
  • 66°F
  • Feels like:
    66°F
Mostly Sunny
Mostly Sunny
  • Wind: 1mph SE
  • Pressure: 30.09"Hg
  • Humidity: 70%
  • Precip. probability: 2%
  • Precipitation: 0"
  • Visibility: 10mi
10 am
  • 72°F
  • Feels like:
    72°F
Mostly Sunny
Mostly Sunny
  • Wind: 2mph SE
  • Pressure: 30.09"Hg
  • Humidity: 59%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
11 am
  • 75°F
  • Feels like:
    75°F
Mostly Sunny
Mostly Sunny
  • Wind: 4mph SE
  • Pressure: 30.06"Hg
  • Humidity: 50%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
12 pm
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph SSE
  • Pressure: 30.06"Hg
  • Humidity: 44%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
1 pm
  • 81°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph SSE
  • Pressure: 30.03"Hg
  • Humidity: 39%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
2 pm
  • 82°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SE
  • Pressure: 30.03"Hg
  • Humidity: 38%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
3 pm
  • 82°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 6mph SE
  • Pressure: 30"Hg
  • Humidity: 38%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
4 pm
  • 82°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph SE
  • Pressure: 29.97"Hg
  • Humidity: 37%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
5 pm
  • 82°F
  • Feels like:
    82°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph SE
  • Pressure: 29.97"Hg
  • Humidity: 38%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
6 pm
  • 81°F
  • Feels like:
    81°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph SE
  • Pressure: 29.97"Hg
  • Humidity: 41%
  • Precip. probability: 0%
  • Precipitation: 0"
  • Visibility: 10mi
7 pm
  • 79°F
  • Feels like:
    79°F
Partly Cloudy
Partly Cloudy
  • Wind: 5mph SE
  • Pressure: 29.97"Hg
  • Humidity: 47%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
Sunset: 7:49 pm
8 pm
  • 73°F
  • Feels like:
    73°F
Partly Cloudy
Partly Cloudy
  • Wind: 4mph ESE
  • Pressure: 29.97"Hg
  • Humidity: 54%
  • Precip. probability: 1%
  • Precipitation: 0"
  • Visibility: 10mi
9 pm
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SE
  • Pressure: 29.97"Hg
  • Humidity: 62%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
10 pm
  • 70°F
  • Feels like:
    70°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SSE
  • Pressure: 29.97"Hg
  • Humidity: 67%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
11 pm
  • 68°F
  • Feels like:
    68°F
Mostly Cloudy
Mostly Cloudy
  • Wind: 4mph SSE
  • Pressure: 29.97"Hg
  • Humidity: 72%
  • Precip. probability: 15%
  • Precipitation: 0"
  • Visibility: 10mi
Today, in O'Fallon, primarily cloudy and occasionally bright weather is anticipated.
The temperature will be between a maximum of 82.4°F and a minimum of 59°F. The warmest part of the day will be from 2 pm to 5 pm.
The temperature will be more consistent with what’s typical for May than the usual maximum in April. The minimum temperature will be also more consistent with May's average low of 57°F than April's typical 47.3°F.
Updated: Apr 24, 2025 @ 12:53:57 UTC
Published by: Weather U.S. | About Us
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Weather Forecasting & Climate

O'Fallon, Missouri, USA

  • en: O'Fallon, Missouri, USA
  • es: O'Fallon, Misuri, EE.UU.
  • hr: Ofalong, Misuri, SAD
  • sr: Ofalong, Misuri, SAD
  • zh: 奥法伦, 密苏里州, 美国
  • Latitude: 38.810608°
  • Longitude: -90.699848°
  • Elevation: 548 ft
  • Current time: 7:53am CDT
  • Sunrise: 6:11 am CDT
  • Sunset: 7:49 pm CDT
  • Timezone: America/Chicago
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