Decatur 7-day weather forecast

Written by:
March 23, 2026
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Decatur 7-day weather forecast

created the forecast for Decatur, Alabama using data from . This week's high is 91 掳F on Monday, while the low is 65 掳F on Thursday. There is expected to be 1 sunny day and rain on 5 days this week.

There are currently no weather alerts.

Monday, May 18

- High of 91 掳F, low of 66 掳F (53% humidity)
- Fair with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 5:43 AM, sunset at 7:45 PM
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1 / 6
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Tuesday, May 19

- High of 88 掳F, low of 68 掳F (55% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (9 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 5:42 AM, sunset at 7:46 PM
2 / 6
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Wednesday, May 20

- High of 84 掳F, low of 67 掳F (59% humidity)
- Overcast with a 100% chance of rain (5 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (7 mph wind)
- Sunrise at 5:41 AM, sunset at 7:47 PM
3 / 6
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Thursday, May 21

- High of 77 掳F, low of 65 掳F (87% humidity)
- Overcast with a 100% chance of rain (13 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (5 mph wind)
- Sunrise at 5:41 AM, sunset at 7:48 PM
4 / 6
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Friday, May 22

- High of 87 掳F, low of 67 掳F (60% humidity)
- Overcast with a 100% chance of rain (10 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 5:40 AM, sunset at 7:48 PM
5 / 6
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Saturday, May 23

- High of 83 掳F, low of 67 掳F (80% humidity)
- Overcast with a 100% chance of rain (15 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 5:40 AM, sunset at 7:49 PM
- First quarter moon
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6 / 6
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Sunday, May 24

- High of 90 掳F, low of 69 掳F (55% humidity)
- Overcast with a 100% chance of rain (3 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 5:39 AM, sunset at 7:50 PM

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