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O'Fallon, MO 63366   Weather, Extended Forecast and Hour-by-Hour Forecast

Weather Conditions

65°
SOME CLOUDS

Updated: 2:44 AM

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7-day Forecast for O Fallon

  • Daytime
  • Nighttime
06/17
Mon
85°
Humid with variable cloudiness; afternoon thunderstorms
Feels Like: 102°
Winds: 5mph NNW
69° Feels like: 66°
Winds: 4mph N
06/18
Tue
85°
Partly sunny with a shower or thunderstorm around
Feels Like: 93°
Winds: 6mph N
62° Feels like: 63°
Winds: 4mph NNE
06/19
Wed
85°
Partly sunny and pleasant
Feels Like: 94°
Winds: 4mph NE
64° Feels like: 63°
Winds: 5mph ESE
06/20
Thu
88°
Partly sunny and humid
Feels Like: 97°
Winds: 6mph SE
68° Feels like: 67°
Winds: 6mph SSE
06/21
Fri
90°
Partly sunny and humid
Feels Like: 97°
Winds: 8mph SSE
71° Feels like: 69°
Winds: 8mph SSE
06/22
Sat
95°
Partly sunny, hot and humid
Feels Like: 106°
Winds: 8mph S
72° Feels like: 77°
Winds: 7mph S
06/23
Sun
94°
Hot and humid with times of sun and clouds
Feels Like: 104°
Winds: 8mph S
71° Feels like: 77°
Winds: 7mph S

24 Hour Forecast for O'Fallon

  • 2am
  • 3am
  • 4am
  • 5am
  • 6am
  • 7am
  • Conditions
  • Temperature
  • 68°
  • 69°
  • 69°
  • 69°
  • 70°
  • 71°
  • Cloud Cover
  • 33%
  • 35%
  • 37%
  • 39%
  • 40%
  • 45%
  • Feels Like
  • 68°
  • 69°
  • 69°
  • 68°
  • 70°
  • 73°
  • Dew Point
  • 63°
  • 63°
  • 64°
  • 64°
  • 65°
  • 66°
  • Humidity
  • 85%
  • 83%
  • 83%
  • 84%
  • 84%
  • 84%
  • Wind Direction
  • WSW
  • WSW
  • W
  • W
  • WNW
  • NW
  • Wind Speed
  • 2
  • 3
  • 3
  • 3
  • 3
  • 3
  • Precipitation
  • 0.0
  • 0.0
  • 0.0
  • 0.0
  • 0.0
  • 0.0