Local 7 Day Weather Forecast for O'Fallon, Illinois

Clear

Temperature

64°F

Feels Like

64°F

Humidity

46%

Wind

n/a
0 mph

Pressure

30 in

Visibility

10 mi

Weather Maps

Local 7 Day Weather Forecast

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Hi 69°F
Lo 44°F

Friday night: Mainly clear skies. Low 44F. Winds NE at 5 to 10 mph.

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Hi 74°F
Lo 47°F

Saturday: Mainly sunny. High 74F. Winds ESE at 5 to 10 mph.

Saturday night: Partly cloudy skies. Low 47F. Winds ESE at 5 to 10 mph.

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Hi 77°F
Lo 54°F

Sunday: Intervals of clouds and sunshine. High 77F. Winds SSE at 5 to 10 mph.

Sunday: Mix of sun and clouds. Highs in the upper 70s and lows in the mid 50s.

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Hi 73°F
Lo 52°F

Monday: Slight chance of a thunderstorm. Highs in the low 70s and lows in the low 50s.

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Hi 69°F
Lo 43°F

Tuesday: Mostly sunny. Highs in the upper 60s and lows in the low 40s.

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Hi 69°F
Lo 50°F

Wednesday: Mix of sun and clouds. Highs in the upper 60s and lows in the low 50s.

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Hi 74°F
Lo 54°F

Thursday : Scattered thunderstorms possible. Highs in the mid 70s and lows in the mid 50s.