Hourly Weather Forecast - Portland, TN

12 AM
27°F
0%
7mph
SSW
Partly Cloudy
Humidity
54%
Feels like
20°F
Dew Point
13°F
1 AM
28°F
0%
6mph
SSW
Partly Cloudy
Humidity
54%
Feels like
20°F
Dew Point
13°F
2 AM
28°F
0%
6mph
SSW
Partly Cloudy
Humidity
54%
Feels like
21°F
Dew Point
13°F
3 AM
28°F
0%
6mph
SSW
Partly Cloudy
Humidity
55%
Feels like
21°F
Dew Point
14°F
4 AM
28°F
0%
6mph
SSW
Mostly Cloudy
Humidity
55%
Feels like
21°F
Dew Point
14°F
5 AM
27°F
0%
7mph
SSW
Cloudy
Humidity
58%
Feels like
20°F
Dew Point
15°F
6 AM
27°F
0%
7mph
S
Cloudy
Humidity
59%
Feels like
20°F
Dew Point
15°F
6:51 AM
7 AM
29°F
0%
7mph
S
Cloudy
Humidity
58%
Feels like
21°F
Dew Point
16°F
8 AM
32°F
0%
8mph
SSW
Mostly Cloudy
Humidity
53%
Feels like
25°F
Dew Point
17°F
9 AM
35°F
0%
9mph
SSW
Partly Cloudy
Humidity
49%
Feels like
28°F
Dew Point
17°F
10 AM
38°F
0%
9mph
SSW
Partly Cloudy
Humidity
45%
Feels like
31°F
Dew Point
18°F
11 AM
40°F
0%
9mph
SSW
Partly Cloudy
Humidity
42%
Feels like
34°F
Dew Point
19°F
12 PM
42°F
0%
9mph
SSW
Partly Cloudy
Humidity
40%
Feels like
37°F
Dew Point
20°F
1 PM
44°F
0%
9mph
SSW
Partly Cloudy
Humidity
40%
Feels like
38°F
Dew Point
21°F
2 PM
44°F
0%
9mph
S
Partly Cloudy
Humidity
41%
Feels like
39°F
Dew Point
22°F
3 PM
43°F
0%
9mph
S
Partly Cloudy
Humidity
44%
Feels like
38°F
Dew Point
23°F
4 PM
42°F
0%
9mph
S
Partly Cloudy
Humidity
48%
Feels like
36°F
Dew Point
24°F
4:31 PM
5 PM
40°F
0%
9mph
S
Partly Cloudy
Humidity
54%
Feels like
34°F
Dew Point
25°F
6 PM
39°F
0%
9mph
S
Partly Cloudy
Humidity
58%
Feels like
33°F
Dew Point
26°F
7 PM
39°F
0%
10mph
S
Partly Cloudy
Humidity
60%
Feels like
32°F
Dew Point
26°F
8 PM
39°F
0%
10mph
S
Partly Cloudy
Humidity
62%
Feels like
32°F
Dew Point
27°F
9 PM
39°F
0%
10mph
S
Mostly Clear
Humidity
62%
Feels like
32°F
Dew Point
27°F
10 PM
39°F
0%
10mph
SSW
Mostly Clear
Humidity
61%
Feels like
33°F
Dew Point
27°F
11 PM
39°F
0%
10mph
SSW
Mostly Clear
Humidity
61%
Feels like
33°F
Dew Point
27°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday A.M.

Snow Spreads Across the Midwest into the Mid-Atlantic

Weekend Weather Outlook

Weekend Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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