Decatur 7-day weather forecast

Written by:
July 21, 2025
ESOlex // Shutterstock

Decatur 7-day weather forecast

Stacker created the forecast for Decatur, Alabama using data from OpenWeather. This week's high is 94 °F on Tuesday, while the low is 64 °F on Sunday. There are expected to be 2 sunny days and rain on 6 days this week.

NWS Huntsville AL has issued a heat advisory until Wednesday at 09:00 PM.

Monday, July 28

- High of 93 °F, low of 75 °F (60% humidity)
- Sunny with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:55 AM, sunset at 7:53 PM
1 / 6
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Tuesday, July 29

- High of 94 °F, low of 75 °F (57% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (11 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:56 AM, sunset at 7:52 PM
2 / 6
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Wednesday, July 30

- High of 90 °F, low of 73 °F (66% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:56 AM, sunset at 7:51 PM
3 / 6
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Thursday, July 31

- High of 89 °F, low of 74 °F (66% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (10 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:57 AM, sunset at 7:50 PM
4 / 6
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Friday, August 1

- High of 84 °F, low of 73 °F (69% humidity)
- Overcast with a 100% chance of rain (2 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:58 AM, sunset at 7:50 PM
- First quarter moon
5 / 6
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Saturday, August 2

- High of 77 °F, low of 70 °F (89% humidity)
- Overcast with a 89% chance of rain (1 mm of rain)
- Gentle breeze (11 mph wind)
- Sunrise at 5:59 AM, sunset at 7:49 PM
6 / 6
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Sunday, August 3

- High of 71 °F, low of 64 °F (90% humidity)
- Overcast with a 66% chance of rain (1 mm of rain)
- Moderate breeze (14 mph wind)
- Sunrise at 5:59 AM, sunset at 7:48 PM

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