Weather forecast for 10 days
O'Fallon, IL

Today, in O'Fallon, cloudless and sunny weather is anticipated.
The temperature is expected to vary between a maximum of a cool 50°F (10°C) and a minimum of a cold 32°F (0°C).
It will be warmer, and the highest temperature will be more in line with March's average maximum of 54.5°F (12.5°C) than February's of 42.1°F (5.6°C).
Sunrise will be at 6:37 am and sunset at 5:47 pm; the daylight will last for 11h and 10min.

For the next ten days, a combination of primarily cloudy and occasionally sunny and rainy weather is anticipated.
With a probability of 60%, rainfall is forecasted only for next Tuesday. Forecasted precipitation will be minimal at 0.08" (2mm).
Temperature differences will be substantial in the next ten days. The maximum temperature will vary between 50°F (10°C) and 62.6°F (17°C), while the lowest nightly temperature differences will be also substantial, as the lowest temperature will range between 30.2°F (-1°C) and 42.8°F (6°C).
The warmest day will be Friday, with a maximum of 62.6°F (17°C); today is the coldest day, with a maximum temperature of 50°F (10°C).