O'Fallon (MO)
Today
Today weather in O'Fallon
Monday, August 25th, 2025
24°
Overcast
O'Fallon will experience a pleasantly warm today, reaching temperatures of up to 23 °F and cooling to about 13 °F in the evening. Gentle breezes are expected across O'Fallon Today, with speeds reaching around 15 km/h.
24° / 13°
Temp
0%
Rain
15 km/h
Wind
66%
Humidity
O'Fallon Weather Pages
O'Fallon hourly forecast for today
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12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 06:00 AM | 06:25 AM | 07:00 AM | 08:00 AM | 09:00 AM | 10:00 AM | 11:00 AM | 12:00 PM | 01:00 PM | 02:00 PM | 03:00 PM | 04:00 PM | 05:00 PM | 06:00 PM | 07:00 PM | 07:43 PM | 08:00 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
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weather | Next | ||||||||||||||||||||||||||
temperatures | 16.1° | 15.3° | 14.5° | 14.3° | 14.4° | 14.1° | 13.7° | Sunrise | 14.8° | 16.2° | 17.6° | 19.2° | 21.2° | 22.4° | 22.8° | 22.9° | 22.8° | 22.9° | 22.3° | 21.6° | 20.6° | Sunset | 19.9° | 19.1° | 18.5° | 17.4° | |
feels like | 16.1° | 15° | 14.2° | 14.1° | 14.4° | 14.2° | 13.6° | 14.7° | 16.2° | 17.6° | 19.2° | 21.2° | 23.5° | 24.1° | 24.4° | 24.5° | 24.5° | 24.5° | 21.6° | 20.6° | 19.9° | 19.1° | 18.5° | 17.4° | |||
wind speed | 7 km/h | 9 km/h | 9 km/h | 8 km/h | 9 km/h | 9 km/h | 9 km/h | 8 km/h | 9 km/h | 15 km/h | 14 km/h | 15 km/h | 15 km/h | 13 km/h | 13 km/h | 13 km/h | 13 km/h | 12 km/h | 12 km/h | 8 km/h | 8 km/h | 10 km/h | 10 km/h | 10 km/h | |||
wind degree | 338° | 334° | 344° | 339° | 335° | 326° | 336° | 339° | 337° | 347° | 351° | 354° | 349° | 344° | 341° | 339° | 328° | 313° | 304° | 302° | 330° | 14° | 29° | 23° | |||
wind direction | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | NNW | N | N | N | NNW | NNW | NNW | NNW | NW | NW | WNW | NNW | NNE | NNE | NNE | |||
Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | |||
chance for rain | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
chance for snow | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | 0% | |||
humidity | 72% | 75% | 77% | 78% | 91% | 88% | 92% | 92% | 83% | 75% | 71% | 63% | 51% | 48% | 47% | 40% | 47% | 47% | 51% | 58% | 56% | 58% | 59% | 61% | |||
dew point | 10.9° | 10.8° | 10.5° | 10° | 12.6° | 12.6° | 12.5° | 12° | 12.9° | 13.1° | 13.5° | 13.5° | 12.7° | 12° | 11.2° | 11.2° | 11.1° | 11.1° | 11.1° | 12.3° | 10.8° | 10.6° | 10.3° | 10.1° | |||
visibility | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 16 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | 10 km | |||
cloud cover | 2% | 0% | 0% | 0% | 93% | 65% | 31% | 21% | 38% | 54% | 47% | 16% | 10% | 22% | 99% | 50% | 100% | 100% | 100% | 100% | 85% | 70% | 49% | 31% | |||
UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.7 | 1.9 | 3.6 | 5.6 | 7.5 | 8.1 | 7.7 | 6 | 3.8 | 1.8 | 0.6 | 0.1 | 0 | 0 | 0 | 0 |
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Weather in O'Fallon today
temperatures
24 °F
rain
0 mm
wind
15 km/h
UV
Low
O'Fallon daylight overview ☀️
Today in O'Fallon, The sun rises at 06:25 and sets at 19:43, giving a total daylight duration of 13 hours and 18 minutes.
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What to wear today in O'Fallon? clothing recommendations
Stay comfortably stylish - your tailored guide for today's O'Fallon forecast.
Long-sleeve shirt
Long pant
Closed-toe shoes
Light jacket
The weather today in O'Fallon - FAQ
What is the maximum temperature for today in O'Fallon?
The maximum temperature for today in O'Fallon is expected to be 24° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in O'Fallon? 🌧️
No, there is no significant chance of rain in O'Fallon today. It should be a dry day.
What will be the wind speed today in O'Fallon? 🌀
The wind in O'Fallon is expected to blow at 15 km/h. This could affect outdoor activities, so plan accordingly.
How should I dress for the weather in O'Fallon today?
Given the forecast of 24 °F with a 0% chance of rain, we advise checking our "What to wear today" section for recommendations. There, you will find tailored advice to help you stay comfortable and prepared for the weather conditions in O'Fallon today.
What is the sunrise and sunset time for O'Fallon today?
The sun is expected to rise at 06:25 and set at 19:43 in O'Fallon.
How accurate is the weather forecast O'Fallon today? ✅
O'Fallon weather forecast for today is based on the most current and sophisticated meteorological models available. While we strive for accuracy, weather conditions can change unexpectedly, so we recommend checking for updates regularly.
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Get accurate weather forecasts for O'Fallon, located at latitude 38.811 and longitude -90.7. Stay updated with localized weather information tailored for O'Fallon.
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