Weather forecast for 10 days
Decatur, IL

Tomorrow, on Saturday, partly cloudy weather is also anticipated.
Rainfall is not forecasted. Minor variations in temperature are expected, peaking at a chilly 44.6°F (7°C) and slightly dropping to a low of an icy 37.4°F (3°C).
Tomorrow, it will be warmer and the maximum temperature will be more in line with December's average highest temperature of 38.5°F (3.6°C) than January's of 32.9°F (0.5°C).
Sunrise will be at 7:01 am and sunset at 5:16 pm; tomorrow's daylight will last for 10h and 15min.

On Sunday, February 2, the weather will be mainly cloudy.
Rainfall is not predicted. The highest temperature will be a refreshing 57.2°F (14°C), while the lowest temperature will be a wintry 39.2°F (4°C).
It will be warmer, and the highest temperature of 57.2°F (14°C) on Sunday will be more in line with December's average maximum of 38.5°F (3.6°C) than the average maximum of 32.9°F (0.5°C) in January.
Sunrise will be at 7:00 am and sunset at 5:18 pm; the daylight will last for 10h and 17min.

For the next ten days, primarily cloudy and occasionally rainy weather is predicted.
Rainfall is expected on Friday and Wednesday.
Temperature differences will be noticeable in the next ten days. The highest temperature will range between 37.4°F (3°C) and 59°F (15°C), while the lowest nightly temperature differences will be also substantial, as the lowest temperature will range between 21.2°F (-6°C) and 41°F (5°C).
Monday will be the warmest day, with a maximum temperature of 59°F (15°C); with a maximum temperature of 37.4°F (3°C), next Saturday and Sunday will be the coldest days in Decatur.

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The coldest month is January, with an average high-temperature of 32.9°F (0.5°C) and an average low-temperature of 21.2°F (-6°C).