Decatur Airport (DEC) Weather 09/20/2025
This Afternoon
85
Chance T-storms
Tonight
64
Chance T-storms
Sunday
84
Chance Showers then Chance T-storms
Sunday Night
64
Chance T-storms then Showers Likely
Monday
79
Showers Likely
Monday Night
63
Chance T-storms
Tuesday
79
Chance Showers then Chance T-storms
Tuesday Night
62
Chance Showers
Wednesday
77
Chance Showers then Chance T-storms
Wednesday Night
60
Chance Showers
Thursday
74
Chance Showers
Thursday Night
57
Chance Showers
Friday
75
Chance Showers
Weekly Forecast
This Afternoon
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85. South wind around 6 mph.
Tonight
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East wind around 6 mph becoming south after midnight.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. South wind 6 to 11 mph becoming west southwest in the afternoon. Winds could gust as high as 15 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely after 1am. Mostly cloudy, with a low around 64. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. South southwest wind 6 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. South wind around 6 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. South wind 3 to 7 mph. Chance of precipitation is 40%.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Chance of precipitation is 50%.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Thursday
A chance of showers. Partly sunny, with a high near 74.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 57.
Friday
A chance of showers. Mostly sunny, with a high near 75.