Weather forecast for todayO'Fallon, MO
Weather forecast for today
Current condition 9:17 am CDT
- 45°F
- Feels like:45°F
Sunny
- Precipitation: 0"
- Wind: 4mphN 0°
- Humidity: 78%
- Dewpoint: 39°F
- Pressure: 30.58"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
Currently, blue skies stretch endlessly, with the sun at its brightest.
The temperature is a brisk 44.6°F. The current temperature is relatively far from today's maximum-forecasted 60.8°F.
The temperature is a brisk 44.6°F. The current temperature is relatively far from today's maximum-forecasted 60.8°F.
Saturday Oct 17, 2026
- 61°F
- 37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNE 44°
- Humidity: 48%
- UV index: 5
- Sunrise: 7:14 am CDT
- Sunset: 6:21 pm CDT
- details ▼
On Saturday, October 17, sunny skies are in store, with excellent visibility.
The highest temperature will be a comfortable 60.8°F, while the lowest forecasted temperature is an icy 37.4°F.
Today's high temperature is expected to be relatively lower than the typical October peak of 66.2°F.
Sunrise was at 7:14 am and sunset will be at 6:21 pm; the daylight will last for 11h and 7min.
The highest temperature will be a comfortable 60.8°F, while the lowest forecasted temperature is an icy 37.4°F.
Today's high temperature is expected to be relatively lower than the typical October peak of 66.2°F.
Sunrise was at 7:14 am and sunset will be at 6:21 pm; the daylight will last for 11h and 7min.
Hourly overview
Hourly temperatures
Warmest hour: 4 pm 59°C.
Coldest hour: 12 am 43°C.
Coldest hour: 12 am 43°C.
Chance of precipitation
Highest chance: 12 am 2%.
Hourly weather forecast
- 10 am
- 48°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNNE 28°
- Humidity: 68%
- Pressure: 30.56"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 11 am
- 52°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNNE 28°
- Humidity: 58%
- Pressure: 30.56"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 12 pm
- 54°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNE 38°
- Humidity: 49%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 1 pm
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNNE 21°
- Humidity: 43%
- Pressure: 30.53"Hg
- Visibility: 10mi
- UV index: 5
- details ▼
- 2 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNE 34°
- Humidity: 39%
- Pressure: 30.5"Hg
- Visibility: 10mi
- UV index: 4
- details ▼
- 3 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNNE 23°
- Humidity: 36%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphENE 72°
- Humidity: 35%
- Pressure: 30.47"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 5 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphE 85°
- Humidity: 36%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 pm
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphE 83°
- Humidity: 50%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:21 pm
- 7 pm
- 50°F
- Feels like:50°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 0mphE 98°
- Humidity: 60%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 0mphESE 117°
- Humidity: 66%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 9 pm
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 0mphSSE 150°
- Humidity: 70%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphSSE 149°
- Humidity: 76%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 1mphS 170°
- Humidity: 79%
- Pressure: 30.45"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Today, mostly cloudless and sunny weather is anticipated.
The temperature will be between the highest temperature of 59°F and the lowest temperature of 42.8°F. The warmest part of the day will be from 3 pm to 5 pm.
Today, the temperature is expected to be relatively lower than October's normal maximum of 66.2°F. The expected low will be more similar to what’s common in November than the current October average of 48.7°F.
The temperature will be between the highest temperature of 59°F and the lowest temperature of 42.8°F. The warmest part of the day will be from 3 pm to 5 pm.
Today, the temperature is expected to be relatively lower than October's normal maximum of 66.2°F. The expected low will be more similar to what’s common in November than the current October average of 48.7°F.
Updated: Oct 17, 2026 @ 14:17:29 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
The current temperature (9:17 am CDT) is 44.6°F.
On Saturday, sunny conditions are expected to continue.
Today, the highest temperature will be 60.8°F, while the lowest temperature will be 37.4°F.
The highest temperature will be moderately lower than the average maximum of 66.2°F in October. Today, the lowest temperature will be significantly lower than the average low of 48.7°F.
The highest temperature will be moderately lower than the average maximum of 66.2°F in October. Today, the lowest temperature will be significantly lower than the average low of 48.7°F.
On Saturday, in O'Fallon, sunrise was at 7:14 am and sunset will be at 6:21 pm (CDT).
In O'Fallon, today, there will be 11h and 7min of daylight.
O'Fallon, Missouri, USA
- en: O'Fallon, Missouri, USA
- es: O'Fallon, Misuri, EE.UU.
- hr: Ofalong, Misuri, SAD
- mk: 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: 9:54am CDT
- Sunrise: 7:14 am CDT
- Sunset: 6:21 pm CDT
- Timezone: America/Chicago
Nearby O'Fallon, Missouri, USA
- Dardenne Prairie (3 mi)
- Saint Peters (4 mi)
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- Lake Saint Louis (5 mi)
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- Old Monroe (9 mi)
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