National Weather Service Forecast for: Alton AL
Issued by: National Weather Service Birmingham, AL
Updated: 1:26 pm CDT Mar 19, 2026
 
Tonight

Tonight: Clear, with a low around 45. Calm wind.
Clear
 Friday

Friday: Sunny, with a high near 77. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 55. Southwest wind around 5 mph.
Mostly Clear
 Saturday

Saturday: Sunny, with a high near 82. Southwest wind 5 to 10 mph.
Sunny
 Saturday
Night
Saturday Night: Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Mostly Clear
 Sunday

Sunday: Sunny, with a high near 85.
Sunny
 Sunday
Night
Sunday Night: Mostly clear, with a low around 61.
Mostly Clear
 Monday

Monday: Mostly sunny, with a high near 77.
Mostly Sunny
 Monday
Night
Monday Night: Partly cloudy, with a low around 49.
Partly Cloudy
Lo 45 °F Hi 77 °F Lo 55 °F Hi 82 °F Lo 59 °F Hi 85 °F Lo 61 °F Hi 77 °F Lo 49 °F

 

Tonight
 
 Clear, with a low around 45. Calm wind.
Friday
 
 Sunny, with a high near 77. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 55. Southwest wind around 5 mph.
Saturday
 
 Sunny, with a high near 82. Southwest wind 5 to 10 mph.
Saturday Night
 
 Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm in the evening.
Sunday
 
 Sunny, with a high near 85.
Sunday Night
 
 Mostly clear, with a low around 61.
Monday
 
 Mostly sunny, with a high near 77.
Monday Night
 
 Partly cloudy, with a low around 49.
Tuesday
 
 Mostly sunny, with a high near 76.
Tuesday Night
 
 Partly cloudy, with a low around 53.
Wednesday
 
 Partly sunny, with a high near 79.
Wednesday Night
 
 Mostly clear, with a low around 56.
Thursday
 
 Sunny, with a high near 83.

 

Forecast from NOAA-NWS for Alton AL.