Weather forecast for today
O'Fallon, IL

Today, in O'Fallon, mainly clouded weather is expected.
Temperature is predicted to swing from a high of a wintry 33.8°F (1°C) to a low of a subzero 23°F (-5°C).
The forecasted highest temperature will be a few degrees lower than the usual maximum for January of 37.8°F (3.2°C).
Sunrise was at 7:10 am and sunset will be at 5:11 pm; the daylight will last for 10h and 1min.

Currently, the weather continues to be fair.
The temperature is a subzero 15.8°F (-9°C), while the feels-like temperature, due to the wind, is calculated to be a polar cold 1.4°F (-17°C). The current temperature is relatively far from today's maximum-forecasted 33.8°F (1°C).

Today, in O'Fallon, primarily cloudy and occasionally sunny weather is predicted.
The temperature will vary between a maximum of 32°F (0°C) and a minimum of 17.6°F (-8°C). The feels-like temperature will vary between the highest temperature of 23°F (-5°C) and the lowest temperature of 5°F (-15°C). The warmest part of the day will be from 2 pm to 4 pm.
The highest temperature will be a few degrees lower than January's average maximum of 37.8°F (3.2°C). The lowest temperature will be also alike January's average minimum of 24.6°F (-4.1°C).

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January is the coldest month in O'Fallon, with an average high-temperature of 37.8°F (3.2°C) and an average low-temperature of 24.6°F (-4.1°C).