O'Fallon (MO)
Today
Today weather in O'Fallon
Monday, July 7th, 2025
33°
Patchy rain possible
Today, O'Fallon is set to face a notably hot day, with temperatures spiking up to 33 °F and offering slight relief at 22 °F by night. Gentle breezes are expected across O'Fallon Today, with speeds reaching around 12 km/h. Rain is highly likely at 65%, but with light accumulations around 2.14 mm. Given the warmth, it might feel a bit stifling.
33° / 23°
Temp
65%
Rain
12 km/h
Wind
83%
Humidity
O'Fallon hourly forecast for today
Scroll right to see more weather forecasts for O'Fallon today
12:00 AM | 01:00 AM | 02:00 AM | 03:00 AM | 04:00 AM | 05:00 AM | 05:45 AM | 06:00 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 | 08:00 PM | 08:30 PM | 09:00 PM | 10:00 PM | 11:00 PM | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
weather | Next | ||||||||||||||||||||||||||
temperatures | 24° | 23.7° | 23.5° | 23.3° | 22.2° | 23.1° | Sunrise | 23° | 23.2° | 23.4° | 23.7° | 24.4° | 25.4° | 26.8° | 29.6° | 31.5° | 32.4° | 32.4° | 31.9° | 31° | 29.4° | 27.9° | Sunset | 26.6° | 25.6° | 24.7° | |
feels like | 26.6° | 26.3° | 26.1° | 25.9° | 25.8° | 25.6° | 25.6° | 25.7° | 25.9° | 26.4° | 27.3° | 29.1° | 31.2° | 35.7° | 37.8° | 38.3° | 37.7° | 36.4° | 34.9° | 32.7° | 30.6° | 28.9° | 27.7° | 26.7° | |||
wind speed | 7 km/h | 7 km/h | 7 km/h | 8 km/h | 9 km/h | 8 km/h | 9 km/h | 9 km/h | 12 km/h | 12 km/h | 12 km/h | 13 km/h | 11 km/h | 10 km/h | 10 km/h | 10 km/h | 10 km/h | 10 km/h | 12 km/h | 12 km/h | 11 km/h | 10 km/h | 9 km/h | 8 km/h | |||
wind degree | 323° | 310° | 307° | 311° | 320° | 325° | 324° | 329° | 343° | 3° | 6° | 11° | 16° | 12° | 7° | 13° | 15° | 13° | 22° | 37° | 50° | 60° | 68° | 90° | |||
wind direction | NW | NW | NW | NW | NW | NW | NW | NNW | NNW | N | N | NNE | NNE | NNE | N | NNE | NNE | NNE | NNE | NE | NE | ENE | ENE | E | |||
humidity | 95% | 98% | 99% | 98% | 91% | 98% | 98% | 98% | 98% | 97% | 97% | 96% | 94% | 83% | 66% | 58% | 55% | 55% | 57% | 62% | 68% | 72% | 76% | 78% | |||
Precipitation | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 0 mm | 2.1 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% | 100% | 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% | |||
visibility | 10 km | 10 km | 10 km | 2 km | 16 km | 2 km | 2 km | 2 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 | 10 km | 10 km | |||
cloud cover | 90% | 100% | 100% | 100% | 25% | 100% | 100% | 96% | 100% | 100% | 95% | 92% | 79% | 40% | 2% | 0% | 0% | 0% | 1% | 0% | 5% | 2% | 0% | 3% | |||
UV | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.4 | 1.3 | 2.9 | 5 | 7.1 | 9 | 9.9 | 9.4 | 7.7 | 5.4 | 3 | 1.4 | 0.4 | 0 | 0 | 0 | 0 |
How accurate is our weather forecast for O'Fallon?
See how others rate our O'Fallon forecast accuracy and help others by voting.
Weather in O'Fallon today
temperatures
33 °F
rain
2.1 mm
wind
12 km/h
UV
Low
O'Fallon daylight overview ☀️
Today in O'Fallon, The sun rises at 05:45 and sets at 20:30, giving a total daylight duration of 14 hours and 45 minutes.
Quick links
More O'Fallon weather pages
What to wear today in O'Fallon? clothing recommendations
Stay comfortably stylish - your tailored guide for today's O'Fallon forecast.
Short-sleeve shirt
Shorts
Lightweight pants
Breathable footwear
Sunglasses
Wide brimmed hat
Sunscreen
Flip flop
Umbrella
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 33° degrees. Please dress accordingly to stay comfortable throughout the day.
Will it rain today in O'Fallon? 🌧️
Yes, there is a 65% chance of rain in O'Fallon today. We recommend carrying an umbrella or rain gear to stay dry.
What will be the wind speed today in O'Fallon? 🌀
The wind in O'Fallon is expected to blow at 12 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 33 °F with a 65% 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 05:45 and set at 20:30 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.
You are here
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.
Found a mistake?
We appreciate your attention to details. Tell us here.