For daily wit & wisdom, get the Almanac newsletter.

Weather Forecast for O'Fallon, MO

Location O'Fallon, MO

Current Weather Conditions

O'Fallon, MO

Fair Fair

Temperature

38°F

Feels Like

34°F

Humidity

93%

Wind

W 5 mph

Pressure

30 in

Visibility

10 mi

Conditions at St. Louis/Spirit

Weather Forecast

Today · October 17

Sunny
60°F

Sunny. High around 60F. Winds light and variable.

Tonight · October 17

Clear
37°F

Clear skies. Low 37F. Winds light and variable.

Tomorrow · October 18

Sunny
67°F

A mainly sunny sky. High 67F. Winds SSE at 5 to 10 mph.

Tomorrow night · October 18

Clear
37°F

Clear skies. Low 37F. Winds light and variable.

Monday · October 19

P Cloudy
71°F

Sunshine and clouds mixed. High 71F. Winds light and variable.

Monday night · October 19

M Clear
40°F

Mostly clear. Low around 40F. Winds light and variable.

Tuesday · October 20

Sunny
73°F

Mainly sunny. High 73F. Winds light and variable.

Tuesday night · October 20

P Cloudy
43°F

Partly cloudy skies. Low 43F. Winds light and variable.

Wednesday · October 21

Sunny
75°F

Mainly sunny. High around 75F. Winds light and variable.

Wednesday night · October 21

M Clear
45°F

A few clouds overnight. Low around 45F. Winds light and variable.

The Old Farmer's Almanac Store