Weather in O'Fallon, Missouri, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for O'Fallon
This Afternoon |
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Temperature: 89°F Wind Speed: 8 mph Wind Direction: S Forecast: Sunny, with a high near 89. South wind around 8 mph. |
Tonight |
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Temperature: 58°F Wind Speed: 2 to 6 mph Wind Direction: SE Forecast: Mostly clear, with a low around 58. Southeast wind 2 to 6 mph. |
Saturday |
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Temperature: 82°F Wind Speed: 2 to 6 mph Wind Direction: SE Forecast: Mostly cloudy, with a high near 82. Southeast wind 2 to 6 mph. |
Saturday Night |
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Temperature: 59°F Wind Speed: 1 to 5 mph Wind Direction: E Forecast: Mostly cloudy, with a low around 59. East wind 1 to 5 mph. |
Sunday |
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Temperature: 86°F Wind Speed: 2 mph Wind Direction: NW Forecast: Sunny, with a high near 86. Northwest wind around 2 mph. |
Sunday Night |
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Temperature: 66°F Wind Speed: 1 to 6 mph Wind Direction: S Forecast: Mostly clear, with a low around 66. |
Columbus Day |
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Temperature: 93°F Wind Speed: 6 to 13 mph Wind Direction: SW Forecast: Sunny, with a high near 93. |
Monday Night |
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Temperature: 71°F Wind Speed: 5 to 8 mph Wind Direction: SW Forecast: Mostly clear, with a low around 71. |
Tuesday |
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Temperature: 89°F Wind Speed: 6 to 9 mph Wind Direction: W Forecast: Sunny, with a high near 89. |
Tuesday Night |
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Temperature: 64°F Wind Speed: 6 mph Wind Direction: NE Forecast: A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 64. Chance of precipitation is 40%. |
Wednesday |
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Temperature: 79°F Wind Speed: 7 mph Wind Direction: SE Forecast: Showers and thunderstorms likely. Partly sunny, with a high near 79. Chance of precipitation is 60%. |
Wednesday Night |
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Temperature: 62°F Wind Speed: 8 mph Wind Direction: SE Forecast: Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%. |
Thursday |
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Temperature: 78°F Wind Speed: 10 mph Wind Direction: SW Forecast: Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 60%. |
Thursday Night |
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Temperature: 56°F Wind Speed: 9 mph Wind Direction: W Forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 50%. |