Live Weather & Forecast

Weather in Decatur

Alabama, United States · Real-time conditions & 3-day outlook

Flag of United States
Sunny
28°C
Feels like 28°C
83°F / Feels 82°F
Sunny
Decatur, Alabama
🌞 Daytime
Updated: 2026-04-12 12:30
💧
Humidity
32%
💨
Wind
20.2 km/h S
🌬️
Wind Gust
23.2 km/h
🌡️
Pressure
1025 mb
👁️
Visibility
16 km
☀️
UV Index
8.8 (Very High)
🌧️
Precipitation
0 mm
☁️
Cloud Cover
0%
💦
Dew Point
11.8°C
🌐
Wind Degree
181°

Air Quality Index

US EPA: Good UK DEFRA: Low (1)
CO
157.9 μg/m³
NO₂
2.4 μg/m³
O₃
144 μg/m³
SO₂
2.7 μg/m³
PM 2.5
5.9 μg/m³
PM 10
6.1 μg/m³

Weather Alerts 1

Met · Severe · Expected
Red Flag Warning issued April 12 at 3:14AM CDT until April 12 at 7:00PM CDT by NWS Huntsville AL

...Fire Weather Watch has been upgraded to a Red Flag Warning that is in Effect Sunday 11 AM until 7 PM For All of North Alabama... * AFFECTED AREA...Fire Weather Zone 001 Lauderdale, Fire Weather Zone 002 Colbert, Fire Weather Zone 003 Franklin AL, Fire Weather Zone 004 Lawrence, Fire Weather Zone 005 Limestone, Fire Weather Zone 006 Madison, Fire Weather Zone 007 Morgan, Fire Weather Zone 008 M...

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of dry conditions, strong winds and low relative humidity over a prolonged period will increase fire growth potential.

Effective: 2026-04-12T03:14:00-05:00  ·  Expires: 2026-04-12T15:30:00-05:00

Today's Hourly Forecast

24-hour breakdown for Decatur, Alabama

12 AM
Clear
15°
Clear
💧 73% 💨 6.1 km/h
1 AM
Clear
14°
Clear
💧 76% 💨 6.5 km/h
2 AM
Clear
14°
Clear
💧 78% 💨 8.3 km/h
3 AM
Clear
13°
Clear
💧 81% 💨 8.3 km/h
4 AM
Clear
12°
Clear
💧 84% 💨 8.3 km/h
5 AM
Clear
12°
Clear
💧 83% 💨 8.6 km/h
6 AM
Clear
12°
Clear
💧 88% 💨 9.7 km/h
7 AM
Sunny
14°
Sunny
💧 87% 💨 9.4 km/h
8 AM
Sunny
17°
Sunny
💧 70% 💨 9.7 km/h
9 AM
Sunny
20°
Sunny
💧 55% 💨 12.6 km/h
10 AM
Sunny
25°
Sunny
💧 43% 💨 17.3 km/h
11 AM
Sunny
27°
Sunny
💧 37% 💨 17.6 km/h
12 PM
Sunny
28°
Sunny
💧 32% 💨 20.2 km/h
1 PM
Sunny
30°
Sunny
💧 31% 💨 20.5 km/h
2 PM
Sunny
31°
Sunny
💧 30% 💨 19.8 km/h
3 PM
Sunny
31°
Sunny
💧 29% 💨 19.8 km/h
4 PM
Sunny
28°
Sunny
💧 28% 💨 16.2 km/h
5 PM
Overcast
27°
Overcast
💧 47% 💨 15.5 km/h
6 PM
Cloudy
26°
Cloudy
💧 53% 💨 11.2 km/h
7 PM
Sunny
23°
Sunny
💧 57% 💨 12.6 km/h
8 PM
Partly Cloudy
22°
Partly Cloudy
💧 62% 💨 12.6 km/h
9 PM
Overcast
20°
Overcast
💧 63% 💨 12.2 km/h
10 PM
Partly Cloudy
20°
Partly Cloudy
💧 66% 💨 13.3 km/h
11 PM
Clear
19°
Clear
💧 63% 💨 18 km/h

3-Day Forecast

Daily overview for Decatur, Alabama

Today
Sunny
Sunny
31° / 11°
🌧️ 0% chance of rain
💧 Avg. humidity: 59%
💨 Max wind: 20.5 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.3
🌅 Sunrise: 06:20 AM
🌇 Sunset: 07:18 PM
🌙 Waning Crescent
🌑 Moon: 33% lit
Mon, Apr 13
Partly Cloudy
Partly Cloudy
26° / 16°
🌧️ 0% chance of rain
💧 Avg. humidity: 64%
💨 Max wind: 22.3 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.1
🌅 Sunrise: 06:18 AM
🌇 Sunset: 07:19 PM
🌙 Waning Crescent
🌑 Moon: 23% lit
Tue, Apr 14
Sunny
Sunny
26° / 14°
🌧️ 0% chance of rain
💧 Avg. humidity: 73%
💨 Max wind: 19.8 km/h
🌧️ Total precip: 0 mm
☀️ UV Index: 2.4
🌅 Sunrise: 06:17 AM
🌇 Sunset: 07:19 PM
🌙 Waning Crescent
🌑 Moon: 15% lit

Best Time to Visit Decatur

Plan your trip to Decatur, United States around the most favorable weather conditions.

Peak Season
June – September
Warm, dry summers — ideal for outdoor activities.
Shoulder Season
April – May, October
Fewer crowds, moderate prices, mild weather.
Off Season
November – March
Cooler temperatures; some regions may experience rain or snow.
← Back to Decatur 🗓 View Holidays 2026

Frequently Asked Questions

What is the current weather in Decatur?
Current conditions in Decatur: Sunny, temperature 28°C, humidity 32%.
What is the best time to visit Decatur?
The best time to visit Decatur is typically June – September. Warm, dry summers — ideal for outdoor activities.
What is the climate like in Decatur?
Decatur is located at approximately 34.6° latitude. It has a temperate climate with warm summers and cold winters.
Does it rain a lot in Decatur?
The wettest period in Decatur is typically during November – March. Cooler temperatures; some regions may experience rain or snow.
What should I pack for a trip to Decatur?
For visits to Decatur during June – September: light clothing and sun protection. For November – March: layers and a waterproof jacket are recommended.
What country is Decatur in?
Decatur is located in United States, in the state of Alabama.
What are the public holidays in Decatur in 2026?
View the 2026 public holidays for Decatur on our Holidays page.
What are the GPS coordinates used for the weather forecast in Decatur?
The weather forecast for Decatur uses coordinates 34.606, -86.9838.