Weather forecast and temperature for today
O'Fallon, MO

On Monday, May 29, partly cloudy weather is anticipated.
The temperature is forecasted to vary between a moderately hot 84.2°F (29°C) and a mild 55.4°F (13°C).
The maximum temperature will be higher and more in line with June's average highest temperature of 83.8°F (28.8°C) than May's of 74.5°F (23.6°C).
Sunrise was at 5:40 am and sunset will be at 8:19 pm; the daylight will last for 14h and 39min.

In O'Fallon, currently, the sky is moderately clouded.
The temperature is a warm 82.4°F (28°C). The current temperature is nearly at the maximum of today's predicted 84.2°F (29°C).

Today, a combination of cloudy and occasionally sunny weather is forecasted.
The temperature will vary between the lowest temperature of 64.4°F (18°C) and the highest temperature of 84.2°F (29°C). The warmest part of the day will be from 2 pm to 5 pm.
The maximum temperature will be more alike June's average highest temperature of 83.8°F (28.8°C) than the average highest temperature of 74.5°F (23.6°C) in May. The lowest temperature will be alike the average minimum of 57°F (13.9°C) in May.