ESOlex // Shutterstock
Decatur 7-day weather forecast
Stacker created the forecast for Decatur, Alabama using data from OpenWeather. This week's high is 88 °F on Wednesday, while the low is 66 °F on Friday. There are expected to be 2 sunny days and rain on 5 days this week.
NWS Huntsville AL has issued a heat advisory until Wednesday at 08:00 PM.
Monday, July 20
- High of 83 °F, low of 72 °F (63% humidity)- Sunny with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Light breeze (6 mph wind)
- Sunrise at 5:49 AM, sunset at 7:58 PM
You may also like:
What salary do I need to afford a house in Decatur in 2026?
1 / 6
Flamingo Images // Shutterstock
Tuesday, July 21
- High of 87 °F, low of 76 °F (62% humidity)
- Mostly sunny with a 87% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:50 AM, sunset at 7:58 PM
- First quarter moon
- Mostly sunny with a 87% chance of rain (1 mm of rain)
- Very high risk of harm from sun exposure (11 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:50 AM, sunset at 7:58 PM
- First quarter moon
2 / 6
Dmitry Naumov // Shutterstock
Wednesday, July 22
- High of 88 °F, low of 73 °F (70% humidity)
- Partly cloudy with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:50 AM, sunset at 7:57 PM
- Partly cloudy with a 100% chance of rain (2 mm of rain)
- Very high risk of harm from sun exposure (8 UV index)
- Gentle breeze (10 mph wind)
- Sunrise at 5:50 AM, sunset at 7:57 PM
3 / 6
GP PIXSTOCK // Shutterstock
Thursday, July 23
- High of 82 °F, low of 67 °F (56% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:51 AM, sunset at 7:57 PM
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (10 UV index)
- Gentle breeze (9 mph wind)
- Sunrise at 5:51 AM, sunset at 7:57 PM
4 / 6
alisalipa // Shutterstock
Friday, July 24
- High of 84 °F, low of 66 °F (75% humidity)
- Mostly cloudy with a 0% chance of rain
- Light breeze (7 mph wind)
- Sunrise at 5:52 AM, sunset at 7:56 PM
- Mostly cloudy with a 0% chance of rain
- Light breeze (7 mph wind)
- Sunrise at 5:52 AM, sunset at 7:56 PM
5 / 6
Andrew Lever // Shutterstock
Saturday, July 25
- High of 82 °F, low of 71 °F (80% humidity)
- Overcast with a 100% chance of rain (7 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 5:52 AM, sunset at 7:55 PM
- Overcast with a 100% chance of rain (7 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 5:52 AM, sunset at 7:55 PM
You may also like:
Decatur's 2025 housing market year in review
6 / 6
otsphoto // Shutterstock
Sunday, July 26
- High of 88 °F, low of 70 °F (69% humidity)
- Mostly cloudy with a 100% chance of rain (4 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 5:53 AM, sunset at 7:54 PM
- Mostly cloudy with a 100% chance of rain (4 mm of rain)
- Gentle breeze (9 mph wind)
- Sunrise at 5:53 AM, sunset at 7:54 PM