Weekly Weather Forecast for O'Fallon, Missouri, United States

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Live Weather Today
Overall WeatherTemperaturePressure
Clear Sky74.39°F/23.55°C1017 hPa
Wind SpeedWind DirectionClouds
0.45 MPH 352 Degrees 0%
Humidity PercentageSunrise TimeSunset Time
78 2025-08-04 06:07:43 2025-08-04 20:11:28
Current Local Time
Moonrise Time Moonset Time
11:11:11
   EST
2025-08-04 17:07:21 2025-08-04 01:12:27
Ultraviolet Index (UV Index)
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Weather forecast for 04-August-2025

Duration from Weather Summary Temperature Minimum
Temperature
Maximum
Temperature
Atmospheric Pressure
in hPa
Humidity Clouds Wind Speed Wind
Direction
10 PMClear Sky74.39°F 23.55°C73.27°F 22.93°C74.39°F 23.55°C10187803.0149

Weather forecast for 05-August-2025

Duration from Weather Summary Temperature Minimum
Temperature
Maximum
Temperature
Atmospheric Pressure
in hPa
Humidity Clouds Wind Speed Wind
Direction
1 AMClear Sky72.75°F 22.64°C69.46°F 20.81°C72.75°F 22.64°C10188221.3974
4 AMClear Sky68.83°F 20.46°C66.04°F 18.91°C68.83°F 20.46°C10198800.8184
7 AMClear Sky65.95°F 18.86°C65.95°F 18.86°C65.95°F 18.86°C10209301.4541
10 AMClear Sky78.75°F 25.97°C78.75°F 25.97°C78.75°F 25.97°C10227201.7769
1 PMClear Sky84.79°F 29.33°C84.79°F 29.33°C84.79°F 29.33°C10215601.7425
4 PMClear Sky84.42°F 29.12°C84.42°F 29.12°C84.42°F 29.12°C10205303.4729
7 PMClear Sky79.86°F 26.59°C79.86°F 26.59°C79.86°F 26.59°C10206913.4864
10 PMFew Clouds72.14°F 22.3°C72.14°F 22.3°C72.14°F 22.3°C102185192.97112

Weather forecast for 06-August-2025

Duration from Weather Summary Temperature Minimum
Temperature
Maximum
Temperature
Atmospheric Pressure
in hPa
Humidity Clouds Wind Speed Wind
Direction
1 AMScattered Clouds70.93°F 21.63°C70.93°F 21.63°C70.93°F 21.63°C102291492.43123
4 AMFew Clouds68.99°F 20.55°C68.99°F 20.55°C68.99°F 20.55°C102192222.21144
7 AMScattered Clouds69.37°F 20.76°C69.37°F 20.76°C69.37°F 20.76°C102391271.87140
10 AMClear Sky81.07°F 27.26°C81.07°F 27.26°C81.07°F 27.26°C10236432.42172
1 PMClear Sky88.83°F 31.57°C88.83°F 31.57°C88.83°F 31.57°C10224721.87185
4 PMFew Clouds91.4°F 33°C91.4°F 33°C91.4°F 33°C102043162.7262
7 PMFew Clouds84.4°F 29.11°C84.4°F 29.11°C84.4°F 29.11°C101964134.1117
10 PMClear Sky78.04°F 25.58°C78.04°F 25.58°C78.04°F 25.58°C10217103.68139

Weather forecast for 07-August-2025

Duration from Weather Summary Temperature Minimum
Temperature
Maximum
Temperature
Atmospheric Pressure
in hPa
Humidity Clouds Wind Speed Wind
Direction
1 AMClear Sky73.8°F 23.22°C73.8°F 23.22°C73.8°F 23.22°C10217713.06150
4 AMClear Sky71.71°F 22.06°C71.71°F 22.06°C71.71°F 22.06°C10217892.82163
7 AMClear Sky71.17°F 21.76°C71.17°F 21.76°C71.17°F 21.76°C10218142.15202
10 AMClear Sky82.8°F 28.22°C82.8°F 28.22°C82.8°F 28.22°C10216103.61182
1 PMClear Sky91.15°F 32.86°C91.15°F 32.86°C91.15°F 32.86°C10194303.35162
4 PMClear Sky93.65°F 34.25°C93.65°F 34.25°C93.65°F 34.25°C10173903.59135
7 PMClear Sky85.05°F 29.47°C85.05°F 29.47°C85.05°F 29.47°C10175814.08126
10 PMScattered Clouds80.22°F 26.79°C80.22°F 26.79°C80.22°F 26.79°C101861404.64152

Weather forecast for 08-August-2025

Duration from Weather Summary Temperature Minimum
Temperature
Maximum
Temperature
Atmospheric Pressure
in hPa
Humidity Clouds Wind Speed Wind
Direction
1 AMBroken Clouds75.11°F 23.95°C75.11°F 23.95°C75.11°F 23.95°C101875693.15174
4 AMBroken Clouds72.32°F 22.4°C72.32°F 22.4°C72.32°F 22.4°C101781843.18174
7 AMScattered Clouds71.24°F 21.8°C71.24°F 21.8°C71.24°F 21.8°C101885422.77174
10 AMBroken Clouds80.92°F 27.18°C80.92°F 27.18°C80.92°F 27.18°C101765564.33177
1 PMBroken Clouds91.08°F 32.82°C91.08°F 32.82°C91.08°F 32.82°C101642564.73157
4 PMScattered Clouds93.85°F 34.36°C93.85°F 34.36°C93.85°F 34.36°C101439334.56139
7 PMScattered Clouds85.77°F 29.87°C85.77°F 29.87°C85.77°F 29.87°C101356385.39134
10 PMBroken Clouds81.77°F 27.65°C81.77°F 27.65°C81.77°F 27.65°C101559805.23160

Weather forecast for 09-August-2025

Duration from Weather Summary Temperature Minimum
Temperature
Maximum
Temperature
Atmospheric Pressure
in hPa
Humidity Clouds Wind Speed Wind
Direction
1 AMScattered Clouds76.39°F 24.66°C76.39°F 24.66°C76.39°F 24.66°C101572464.14174
4 AMClear Sky73.69°F 23.16°C73.69°F 23.16°C73.69°F 23.16°C10158273.74181
7 AMClear Sky72.45°F 22.47°C72.45°F 22.47°C72.45°F 22.47°C10158573.8163
10 AMScattered Clouds83.41°F 28.56°C83.41°F 28.56°C83.41°F 28.56°C101561355.35183
1 PMScattered Clouds92.84°F 33.8°C92.84°F 33.8°C92.84°F 33.8°C101342274.56166
4 PMFew Clouds96.06°F 35.59°C96.06°F 35.59°C96.06°F 35.59°C101136144.97157
7 PMScattered Clouds88.47°F 31.37°C88.47°F 31.37°C88.47°F 31.37°C101150274.05161

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