Local 7 Day Weather Forecast for O'Fallon, Illinois

Clear

Temperature

73°F

Feels Like

73°F

Humidity

40%

Wind

NNW
7 mph

Pressure

30 in

Visibility

10 mi

Weather Maps

Local 7 Day Weather Forecast

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Hi 70°F
Lo 46°F

Monday: Sunny. High around 70F. Winds N at 5 to 10 mph.

Monday night: Clear skies. Low 46F. Winds light and variable.

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Hi 74°F
Lo 49°F

Tuesday: Sunshine and some clouds. High 74F. Winds light and variable.

Tuesday night: Some clouds early will give way to generally clear conditions overnight. Low 49F. Winds light and variable.

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Hi 77°F
Lo 52°F

Wednesday: A few clouds. Highs in the upper 70s and lows in the low 50s.

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Hi 80°F
Lo 53°F

Thursday: More sun than clouds. Highs in the low 80s and lows in the low 50s.

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Hi 81°F
Lo 56°F

Friday: Sunny. Highs in the low 80s and lows in the mid 50s.

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Hi 81°F
Lo 57°F

Saturday: Times of sun and clouds. Highs in the low 80s and lows in the upper 50s.

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Hi 82°F
Lo 59°F

Sunday : More sun than clouds. Highs in the low 80s and lows in the upper 50s.