Decatur Airport (DEC) Weather 08/02/2026
Today
89
Slight Chance T-storms
Tonight
75
Partly Cloudy then Slight Chance T-storms
Monday
92
Mostly Sunny
Monday Night
74
Mostly Clear
Tuesday
88
Sunny
Tuesday Night
64
Mostly Clear
Wednesday
84
Sunny
Wednesday Night
61
Clear
Thursday
85
Sunny
Thursday Night
64
Partly Cloudy
Friday
84
Partly Sunny then Chance Showers
Friday Night
65
Partly Cloudy
Saturday
84
Mostly Sunny
Weekly Forecast
Today
A 20 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 89. Heat index values as high as 103. South wind 6 to 8 mph becoming west southwest in the afternoon.
Tonight
A 10 percent chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 75. South southwest wind 5 to 7 mph.
Monday
Mostly sunny, with a high near 92. Heat index values as high as 107. South southwest wind 7 to 14 mph, with gusts as high as 21 mph.
Monday Night
Mostly clear, with a low around 74. Southwest wind 9 to 14 mph becoming west northwest after midnight. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 88. North wind 9 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 64. Northeast wind 5 to 10 mph, with gusts as high as 15 mph.
Wednesday
Sunny, with a high near 84. North northeast wind 6 to 10 mph, with gusts as high as 15 mph.
Wednesday Night
Clear, with a low around 61.
Thursday
Sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 64.
Friday
A chance of showers. Partly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Mostly sunny, with a high near 84.