Weather forecast for 10 days
Castleton, IL

On Saturday, May 10, sunshine and minimal clouds are in the outlook.
A substantial temperature fluctuation from a moderately hot 80.6°F at its peak to a cool 50°F at its lowest point is anticipated.
The forecast high of 80.6°F is more in line with June's average of 79.3°F than May's 71.1°F.
Sunrise will be at 5:43 am and sunset at 8:06 pm; the daylight will last for 14h and 23min.

On Sunday, May 11, the weather remains calm, bright, and sunny.
The temperature is anticipated to vary between a maximum of a warm 82.4°F and a minimum of a refreshing 57.2°F.
It will be warmer, and the temperature will align more closely with June's average high of 79.3°F than May's.
Sunrise will be at 5:42 am and sunset at 8:07 pm; the daylight will last for 14h and 25min.

Weather models show that a combination of cloud-filled and clear weather is predicted.
With a probability of 16%, rainfall is anticipated only on next Friday. The precipitation will be minimal at 0.04".
Temperature fluctuation will be noticeable over the next several days. Forecast highs will fluctuate between 69.8°F and 82.4°F, while there will be also a marked difference in overnight low temperatures, as the overnight lows will vary from 39.2°F to 64.4°F.
With a maximum temperature of 82.4°F, Sunday, next Wednesday through next Friday will be the warmest days in Castleton, Illinois; the coldest day will be Thursday, with a maximum of 69.8°F.