Hourly Weather Forecast - Portland, TN

12 AM
39°F
0%
10mph
SSW
Partly Cloudy
Humidity
63%
Feels like
32°F
Dew Point
28°F
1 AM
39°F
0%
10mph
SSW
Partly Cloudy
Humidity
63%
Feels like
33°F
Dew Point
28°F
2 AM
39°F
0%
10mph
SSW
Partly Cloudy
Humidity
64%
Feels like
33°F
Dew Point
28°F
3 AM
39°F
10%
9mph
SSW
Mostly Clear
Humidity
65%
Feels like
33°F
Dew Point
29°F
4 AM
39°F
10%
9mph
SSW
Partly Cloudy
Humidity
68%
Feels like
33°F
Dew Point
29°F
5 AM
38°F
10%
9mph
SSW
Mostly Cloudy
Humidity
73%
Feels like
32°F
Dew Point
30°F
6 AM
38°F
20%
9mph
SSW
Cloudy
Humidity
77%
Feels like
32°F
Dew Point
31°F
6:51 AM
7 AM
39°F
30%
9mph
SSW
30% Chance of Light Rain
Humidity
78%
Feels like
33°F
Dew Point
33°F
8 AM
41°F
30%
9mph
SSW
30% Chance Rain Showers
Humidity
77%
Feels like
35°F
Dew Point
34°F
9 AM
43°F
30%
9mph
SSW
30% Chance Rain Showers
Humidity
75%
Feels like
38°F
Dew Point
36°F
10 AM
45°F
30%
9mph
SSW
30% Chance Rain Showers
Humidity
74%
Feels like
40°F
Dew Point
37°F
11 AM
47°F
30%
9mph
SSW
30% Chance Rain Showers
Humidity
73%
Feels like
42°F
Dew Point
38°F
12 PM
48°F
30%
9mph
SSW
30% Chance Rain Showers
Humidity
72%
Feels like
44°F
Dew Point
39°F
1 PM
49°F
30%
8mph
SSW
30% Chance Rain Showers
Humidity
71%
Feels like
46°F
Dew Point
40°F
2 PM
50°F
10%
8mph
SSW
Partly Cloudy
Humidity
72%
Feels like
47°F
Dew Point
41°F
3 PM
49°F
10%
7mph
SSW
Partly Cloudy
Humidity
75%
Feels like
46°F
Dew Point
42°F
4 PM
48°F
10%
7mph
S
Partly Cloudy
Humidity
80%
Feels like
45°F
Dew Point
42°F
4:32 PM
5 PM
47°F
10%
7mph
S
Partly Cloudy
Humidity
87%
Feels like
44°F
Dew Point
43°F
6 PM
46°F
10%
7mph
S
Mostly Cloudy
Humidity
90%
Feels like
43°F
Dew Point
44°F
7 PM
46°F
10%
7mph
S
Mostly Cloudy
Humidity
93%
Feels like
42°F
Dew Point
44°F
8 PM
46°F
10%
8mph
S
Cloudy
Humidity
93%
Feels like
42°F
Dew Point
44°F
9 PM
47°F
10%
9mph
S
Cloudy
Humidity
92%
Feels like
42°F
Dew Point
44°F
10 PM
47°F
10%
10mph
S
Cloudy
Humidity
90%
Feels like
43°F
Dew Point
44°F
11 PM
48°F
10%
11mph
S
Mostly Cloudy
Humidity
89%
Feels like
43°F
Dew Point
44°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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