Hourly Weather Forecast - Portland, TN

12 AM
34°F
0%
6mph
NNW
Partly Cloudy
Humidity
95%
Feels like
29°F
Dew Point
33°F
1 AM
33°F
0%
6mph
NNW
Partly Cloudy
Humidity
95%
Feels like
28°F
Dew Point
32°F
2 AM
33°F
0%
5mph
NNW
Cloudy
Humidity
95%
Feels like
28°F
Dew Point
31°F
3 AM
32°F
0%
5mph
NNW
Cloudy
Humidity
94%
Feels like
27°F
Dew Point
30°F
4 AM
31°F
0%
5mph
N
Cloudy
Humidity
94%
Feels like
26°F
Dew Point
30°F
5 AM
30°F
0%
5mph
N
Partly Cloudy
Humidity
93%
Feels like
25°F
Dew Point
29°F
6 AM
30°F
0%
5mph
N
Partly Cloudy
Humidity
92%
Feels like
25°F
Dew Point
28°F
6:49 AM
7 AM
30°F
0%
4mph
NNE
Partly Cloudy
Humidity
89%
Feels like
26°F
Dew Point
27°F
8 AM
31°F
0%
4mph
NE
Partly Cloudy
Humidity
84%
Feels like
27°F
Dew Point
27°F
9 AM
33°F
0%
4mph
NE
Mostly Sunny
Humidity
78%
Feels like
30°F
Dew Point
27°F
10 AM
36°F
0%
4mph
E
Partly Cloudy
Humidity
73%
Feels like
32°F
Dew Point
28°F
11 AM
39°F
0%
4mph
S
Partly Cloudy
Humidity
67%
Feels like
36°F
Dew Point
29°F
12 PM
42°F
0%
4mph
SSW
Partly Cloudy
Humidity
62%
Feels like
39°F
Dew Point
30°F
1 PM
44°F
0%
4mph
SW
Mostly Cloudy
Humidity
59%
Feels like
41°F
Dew Point
31°F
2 PM
45°F
0%
4mph
WSW
Mostly Cloudy
Humidity
59%
Feels like
43°F
Dew Point
31°F
3 PM
44°F
0%
4mph
W
Cloudy
Humidity
61%
Feels like
42°F
Dew Point
32°F
4 PM
43°F
0%
4mph
WNW
Cloudy
Humidity
64%
Feels like
41°F
Dew Point
32°F
4:30 PM
5 PM
41°F
10%
4mph
NW
Mostly Cloudy
Humidity
69%
Feels like
38°F
Dew Point
32°F
6 PM
40°F
10%
5mph
NNW
Cloudy
Humidity
73%
Feels like
36°F
Dew Point
32°F
7 PM
38°F
10%
5mph
NNW
Cloudy
Humidity
78%
Feels like
34°F
Dew Point
32°F
8 PM
38°F
20%
6mph
NNW
Cloudy
Humidity
80%
Feels like
33°F
Dew Point
32°F
9 PM
37°F
20%
6mph
NNW
Cloudy
Humidity
82%
Feels like
32°F
Dew Point
32°F
10 PM
36°F
10%
7mph
NNW
Cloudy
Humidity
83%
Feels like
30°F
Dew Point
31°F
11 PM
35°F
10%
8mph
NNW
Cloudy
Humidity
85%
Feels like
28°F
Dew Point
30°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