Weather in O'Fallon, Missouri, United States
7-Day Forecast Summary
7-Day Detailed Weather Forecast for O'Fallon
Today |
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Temperature: 57°F Wind Speed: 9 to 15 mph Wind Direction: NW Forecast: Sunny, with a high near 57. Northwest wind 9 to 15 mph, with gusts as high as 25 mph. |
Tonight |
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Temperature: 41°F Wind Speed: 3 to 14 mph Wind Direction: W Forecast: Clear, with a low around 41. West wind 3 to 14 mph. |
Sunday |
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Temperature: 67°F Wind Speed: 5 to 13 mph Wind Direction: W Forecast: Sunny, with a high near 67. West wind 5 to 13 mph, with gusts as high as 25 mph. |
Sunday Night |
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Temperature: 41°F Wind Speed: 3 to 8 mph Wind Direction: NE Forecast: Mostly clear, with a low around 41. Northeast wind 3 to 8 mph. |
Monday |
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Temperature: 68°F Wind Speed: 3 to 7 mph Wind Direction: SE Forecast: Sunny, with a high near 68. Southeast wind 3 to 7 mph. |
Monday Night |
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Temperature: 51°F Wind Speed: 8 mph Wind Direction: S Forecast: Mostly clear, with a low around 51. |
Tuesday |
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Temperature: 78°F Wind Speed: 8 to 13 mph Wind Direction: SW Forecast: Mostly sunny, with a high near 78. |
Tuesday Night |
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Temperature: 57°F Wind Speed: 6 to 9 mph Wind Direction: SW Forecast: Partly cloudy, with a low around 57. |
Wednesday |
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Temperature: 81°F Wind Speed: 7 mph Wind Direction: SW Forecast: Sunny, with a high near 81. |
Wednesday Night |
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Temperature: 61°F Wind Speed: 7 mph Wind Direction: S Forecast: Mostly clear, with a low around 61. |
Thursday |
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Temperature: 84°F Wind Speed: 7 to 14 mph Wind Direction: S Forecast: Sunny, with a high near 84. |
Thursday Night |
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Temperature: 63°F Wind Speed: 13 mph Wind Direction: S Forecast: A slight chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%. |
Friday |
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Temperature: 78°F Wind Speed: 13 mph Wind Direction: SW Forecast: Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 60%. |
Friday Night |
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Temperature: 49°F Wind Speed: 12 mph Wind Direction: NW Forecast: A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 50%. |