Saturday
Sunny
High:
78°F
Sunny, with a high near 78. East northeast wind 6 to 8 mph.
Decatur, IL Weather - Extended Forecast
Saturday Night
Partly cloudy
Overnight low:
57°F
Partly cloudy, with a low around 57. East northeast wind 3 to 6 mph.
Sunday
Sunny
High:
81°F
Sunny, with a high near 81. East wind around 6 mph.
Sunday Night
Partly cloudy
Overnight low:
63°F
Partly cloudy, with a low around 63.
Monday
Partly sunny
High:
83°F
Monday Night
Mostly cloudy
Overnight low:
66°F
Tuesday
Partly sunny
High:
82°F
Tuesday Night
Mostly clear
Overnight low:
66°F
Wednesday
Sunny
High:
85°F