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 86 掳F on Thursday, while the low is 56 掳F on Sunday. There is expected to be 1 sunny day and rain on 6 days this week.

NWS Huntsville AL has issued a flood watch until Wednesday at 10:00 PM and a dense fog advisory until Monday at 10:00 AM.

Monday, May 25

- High of 76 掳F, low of 66 掳F (95% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- High risk of harm from sun exposure (7 UV index)
- Light breeze (5 mph wind)
- Sunrise at 5:39 AM, sunset at 7:50 PM
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1 / 6
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Tuesday, May 26

- High of 78 掳F, low of 65 掳F (83% humidity)
- Overcast with a 100% chance of rain (11 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:38 AM, sunset at 7:51 PM
2 / 6
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Wednesday, May 27

- High of 82 掳F, low of 66 掳F (89% humidity)
- Overcast with a 100% chance of rain (4 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:38 AM, sunset at 7:52 PM
3 / 6
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Thursday, May 28

- High of 86 掳F, low of 68 掳F (61% humidity)
- Overcast with a 46% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (9 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:37 AM, sunset at 7:52 PM
4 / 6
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Friday, May 29

- High of 83 掳F, low of 69 掳F (65% humidity)
- Overcast with a 100% chance of rain (9 mm of rain)
- Light breeze (5 mph wind)
- Sunrise at 5:37 AM, sunset at 7:53 PM
5 / 6
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Saturday, May 30

- High of 69 掳F, low of 61 掳F (90% humidity)
- Overcast with a 100% chance of rain (10 mm of rain)
- Gentle breeze (12 mph wind)
- Sunrise at 5:37 AM, sunset at 7:54 PM
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6 / 6
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Sunday, May 31

- High of 71 掳F, low of 56 掳F (54% humidity)
- Fair with a 0% chance of rain
- Moderate breeze (14 mph wind)
- Sunrise at 5:36 AM, sunset at 7:54 PM
- Full moon

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