Hourly Weather Forecast - Decatur, TN

12 AM
39°F
0%
8mph
SSW
Partly Cloudy
Humidity
79%
Feels like
33°F
Dew Point
33°F
1 AM
38°F
0%
8mph
SSW
Partly Cloudy
Humidity
82%
Feels like
32°F
Dew Point
33°F
2 AM
37°F
0%
8mph
SSW
Partly Cloudy
Humidity
85%
Feels like
31°F
Dew Point
33°F
3 AM
37°F
0%
9mph
SSW
Partly Cloudy
Humidity
88%
Feels like
30°F
Dew Point
33°F
4 AM
36°F
0%
9mph
SSW
Partly Cloudy
Humidity
91%
Feels like
29°F
Dew Point
34°F
5 AM
36°F
0%
9mph
SSW
Partly Cloudy
Humidity
93%
Feels like
29°F
Dew Point
34°F
6 AM
35°F
0%
9mph
SSW
Partly Cloudy
Humidity
96%
Feels like
28°F
Dew Point
34°F
7 AM
37°F
0%
9mph
SSW
Partly Cloudy
Humidity
93%
Feels like
30°F
Dew Point
35°F
7:37 AM
8 AM
38°F
0%
10mph
SSW
Mostly Cloudy
Humidity
89%
Feels like
31°F
Dew Point
35°F
9 AM
40°F
0%
11mph
SSW
Mostly Cloudy
Humidity
84%
Feels like
34°F
Dew Point
36°F
10 AM
43°F
0%
11mph
SSW
Cloudy
Humidity
78%
Feels like
37°F
Dew Point
36°F
11 AM
46°F
10%
12mph
SSW
Cloudy
Humidity
71%
Feels like
40°F
Dew Point
37°F
12 PM
48°F
10%
12mph
SW
Partly Cloudy
Humidity
65%
Feels like
43°F
Dew Point
37°F
1 PM
50°F
10%
13mph
SW
Partly Cloudy
Humidity
62%
Feels like
50°F
Dew Point
38°F
2 PM
51°F
0%
12mph
WSW
Partly Cloudy
Humidity
61%
Feels like
51°F
Dew Point
38°F
3 PM
50°F
0%
11mph
WSW
Partly Cloudy
Humidity
63%
Feels like
50°F
Dew Point
38°F
4 PM
49°F
0%
11mph
W
Partly Cloudy
Humidity
67%
Feels like
44°F
Dew Point
38°F
5 PM
47°F
0%
10mph
W
Mostly Cloudy
Humidity
72%
Feels like
42°F
Dew Point
38°F
5:27 PM
6 PM
44°F
0%
10mph
WNW
Mostly Cloudy
Humidity
75%
Feels like
39°F
Dew Point
37°F
7 PM
42°F
10%
10mph
WNW
Mostly Cloudy
Humidity
77%
Feels like
37°F
Dew Point
36°F
8 PM
40°F
10%
9mph
NW
Mostly Cloudy
Humidity
78%
Feels like
34°F
Dew Point
34°F
9 PM
38°F
10%
9mph
NW
Mostly Cloudy
Humidity
79%
Feels like
32°F
Dew Point
32°F
10 PM
36°F
10%
8mph
NW
Partly Cloudy
Humidity
79%
Feels like
30°F
Dew Point
30°F
11 PM
35°F
0%
8mph
NW
Partly Cloudy
Humidity
80%
Feels like
29°F
Dew Point
29°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide