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City of Decatur, ALDecatur, AL 7-Day Weather Forecast
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Decatur Weather Forecast
Decatur, AL Weather Forecast Date: 627 AM CDT Sun Sep 20 2026
Weather forecast for Decatur, AL
Today Hi: 95°FHi: 35°C Lo: 71°F Lo: 22°C |
Today... Mostly sunny until late afternoon, then becoming partly cloudy. A slight chance of showers and thunderstorms this afternoon. Highs in the mid 90s. Light and variable winds. Chance of rain 20%. |
| Mon Hi: 95°FHi: 35°C Lo: 69°F Lo: 21°C |
Monday... Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Temperature falling into the in the mid 80s in the afternoon. Light and variable winds. Chance of rain 40%. Heat index readings 98 to 103. |
| Tue Hi: 91°FHi: 33°C Lo: 65°F Lo: 18°C |
Tuesday... Mostly sunny in the morning, then partly cloudy with showers likely and a chance of thunderstorms in the afternoon. Highs in the lower 90s. Temperature falling into the in the lower 80s in the afternoon. Light and variable winds. Chance of rain 60%. |
Wed Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Wednesday... Partly cloudy with a slight chance of showers in the morning, then mostly sunny with a chance of showers in the afternoon. Highs in the mid 80s. Chance of rain 40%. |
Thu Hi: 81°FHi: 27°C Lo: 60°F Lo: 16°C |
Thursday... Mostly clear. Lows in the lower 60s. Highs in the lower 80s. |
Fri Hi: 81°FHi: 27°C Lo: 59°F Lo: 15°C |
Friday... Partly cloudy. Lows around 60. Highs in the lower 80s. |
| Sat Hi: 81°FHi: 27°C |
Saturday... Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. |
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