Decatur 7-day weather forecast

Written by:
March 9, 2026
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Decatur 7-day weather forecast

Stacker created the forecast for Decatur, Alabama using data from OpenWeather. This week's high is 77 °F on Tuesday, while the low is 39 °F on Friday. There are expected to be 3 sunny days and rain on 4 days this week.

NWS Huntsville AL has issued a dense fog advisory until Monday at 10:00 AM.

Monday, March 9

- High of 76 °F, low of 55 °F (69% humidity)
- Fair with a 100% chance of rain (7 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:06 AM, sunset at 6:50 PM
1 / 6
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Tuesday, March 10

- High of 77 °F, low of 61 °F (78% humidity)
- Overcast with a 100% chance of rain (6 mm of rain)
- Moderate risk of harm from sun exposure (3 UV index)
- Moderate breeze (13 mph wind)
- Sunrise at 7:05 AM, sunset at 6:51 PM
2 / 6
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Wednesday, March 11

- High of 77 °F, low of 57 °F (64% humidity)
- Overcast with a 100% chance of rain (8 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (17 mph wind)
- Sunrise at 7:04 AM, sunset at 6:51 PM
- Last quarter moon
3 / 6
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Thursday, March 12

- High of 54 °F, low of 42 °F (45% humidity)
- Overcast with a 100% chance of rain (19 mm of rain)
- High risk of harm from sun exposure (6 UV index)
- Moderate breeze (18 mph wind)
- Sunrise at 7:02 AM, sunset at 6:52 PM
4 / 6
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Friday, March 13

- High of 64 °F, low of 39 °F (43% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (12 mph wind)
- Sunrise at 7:01 AM, sunset at 6:53 PM
5 / 6
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Saturday, March 14

- High of 71 °F, low of 46 °F (47% humidity)
- Sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:59 AM, sunset at 6:54 PM
6 / 6
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Sunday, March 15

- High of 72 °F, low of 52 °F (79% humidity)
- Mostly cloudy with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Moderate breeze (15 mph wind)
- Sunrise at 6:58 AM, sunset at 6:55 PM

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