Hourly Weather Forecast - Decatur, TN

12 AM
35°F
10%
2mph
SSE
Partly Cloudy
Humidity
80%
Feels like
35°F
Dew Point
29°F
1 AM
35°F
10%
2mph
S
Partly Cloudy
Humidity
82%
Feels like
35°F
Dew Point
29°F
2 AM
35°F
10%
2mph
S
Partly Cloudy
Humidity
81%
Feels like
35°F
Dew Point
29°F
3 AM
35°F
10%
3mph
S
Mostly Cloudy
Humidity
80%
Feels like
35°F
Dew Point
29°F
4 AM
35°F
10%
3mph
S
Mostly Cloudy
Humidity
79%
Feels like
33°F
Dew Point
29°F
5 AM
35°F
10%
3mph
S
Mostly Cloudy
Humidity
78%
Feels like
32°F
Dew Point
29°F
6 AM
35°F
10%
4mph
S
Mostly Cloudy
Humidity
79%
Feels like
32°F
Dew Point
29°F
7 AM
36°F
10%
4mph
S
Mostly Cloudy
Humidity
80%
Feels like
32°F
Dew Point
30°F
7:39 AM
8 AM
37°F
10%
4mph
SSW
Mostly Cloudy
Humidity
78%
Feels like
34°F
Dew Point
31°F
9 AM
40°F
10%
5mph
SSW
Partly Cloudy
Humidity
75%
Feels like
36°F
Dew Point
32°F
10 AM
43°F
10%
6mph
SSW
Partly Cloudy
Humidity
69%
Feels like
39°F
Dew Point
34°F
11 AM
47°F
10%
7mph
SSW
Partly Cloudy
Humidity
63%
Feels like
43°F
Dew Point
35°F
12 PM
50°F
10%
7mph
SW
Partly Cloudy
Humidity
58%
Feels like
50°F
Dew Point
36°F
1 PM
53°F
0%
8mph
SW
Partly Cloudy
Humidity
55%
Feels like
53°F
Dew Point
37°F
2 PM
54°F
0%
8mph
WSW
Partly Cloudy
Humidity
53%
Feels like
54°F
Dew Point
38°F
3 PM
55°F
0%
7mph
WSW
Partly Cloudy
Humidity
54%
Feels like
55°F
Dew Point
38°F
4 PM
54°F
0%
6mph
WSW
Partly Cloudy
Humidity
59%
Feels like
54°F
Dew Point
39°F
5 PM
51°F
0%
5mph
WSW
Mostly Sunny
Humidity
66%
Feels like
51°F
Dew Point
40°F
5:27 PM
6 PM
48°F
0%
4mph
W
Mostly Clear
Humidity
75%
Feels like
46°F
Dew Point
40°F
7 PM
45°F
0%
4mph
WNW
Mostly Clear
Humidity
84%
Feels like
43°F
Dew Point
40°F
8 PM
43°F
0%
4mph
WNW
Mostly Clear
Humidity
90%
Feels like
41°F
Dew Point
40°F
9 PM
42°F
0%
4mph
NW
Hazy
Humidity
93%
Feels like
40°F
Dew Point
40°F
10 PM
41°F
0%
4mph
NW
Hazy
Humidity
94%
Feels like
38°F
Dew Point
39°F
11 PM
39°F
0%
3mph
NNW
Hazy
Humidity
97%
Feels like
37°F
Dew Point
38°F

Snowfall forecast through Saturday A.M.

More Snow Across the Northern U.S. into the Midwest

The parade of snow will continue across the northern U.S. and Midwest through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today'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