Hourly Weather Forecast - Portland, TN

12 AM
38°F
20%
11mph
WNW
Cloudy
Humidity
71%
Feels like
31°F
Dew Point
30°F
1 AM
37°F
10%
11mph
WNW
Cloudy
Humidity
68%
Feels like
30°F
Dew Point
28°F
2 AM
37°F
10%
11mph
NW
Mostly Cloudy
Humidity
65%
Feels like
29°F
Dew Point
26°F
3 AM
36°F
10%
11mph
NW
Partly Cloudy
Humidity
62%
Feels like
28°F
Dew Point
24°F
4 AM
35°F
10%
11mph
NW
Partly Cloudy
Humidity
61%
Feels like
26°F
Dew Point
22°F
5 AM
33°F
10%
10mph
NW
Mostly Clear
Humidity
61%
Feels like
25°F
Dew Point
21°F
6 AM
31°F
10%
9mph
NW
Clear
Humidity
62%
Feels like
23°F
Dew Point
19°F
6:53 AM
7 AM
30°F
10%
9mph
NW
Sunny
Humidity
62%
Feels like
22°F
Dew Point
18°F
8 AM
30°F
10%
9mph
NW
Sunny
Humidity
60%
Feels like
21°F
Dew Point
18°F
9 AM
31°F
10%
9mph
NNW
Sunny
Humidity
57%
Feels like
22°F
Dew Point
17°F
10 AM
32°F
10%
9mph
NNW
Sunny
Humidity
54%
Feels like
24°F
Dew Point
17°F
11 AM
34°F
10%
9mph
NNW
Sunny
Humidity
51%
Feels like
27°F
Dew Point
18°F
12 PM
36°F
10%
8mph
NNW
Sunny
Humidity
49%
Feels like
29°F
Dew Point
18°F
1 PM
37°F
10%
8mph
N
Sunny
Humidity
48%
Feels like
30°F
Dew Point
19°F
2 PM
37°F
10%
7mph
NNE
Sunny
Humidity
48%
Feels like
31°F
Dew Point
19°F
3 PM
36°F
10%
6mph
ENE
Sunny
Humidity
51%
Feels like
31°F
Dew Point
20°F
4 PM
35°F
10%
6mph
E
Sunny
Humidity
55%
Feels like
30°F
Dew Point
20°F
4:32 PM
5 PM
32°F
10%
5mph
E
Clear
Humidity
62%
Feels like
27°F
Dew Point
21°F
6 PM
30°F
10%
5mph
ESE
Clear
Humidity
69%
Feels like
25°F
Dew Point
21°F
7 PM
28°F
10%
4mph
ESE
Clear
Humidity
75%
Feels like
23°F
Dew Point
21°F
8 PM
28°F
10%
4mph
SE
Clear
Humidity
78%
Feels like
22°F
Dew Point
22°F
9 PM
27°F
10%
5mph
SE
Clear
Humidity
80%
Feels like
21°F
Dew Point
22°F
10 PM
28°F
10%
6mph
SSE
Clear
Humidity
81%
Feels like
21°F
Dew Point
23°F
11 PM
28°F
10%
7mph
SSE
Clear
Humidity
81%
Feels like
21°F
Dew Point
23°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 evening.

Snow Spreads Across the Ohio Valley 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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