Hourly Weather Forecast - Portland, TN

9 AM
17°F
0%
12mph
NNW
Sunny
Humidity
52%
Feels like
4°F
Dew Point
2°F
10 AM
18°F
0%
12mph
NNW
Sunny
Humidity
47%
Feels like
5°F
Dew Point
1°F
11 AM
19°F
0%
13mph
NNW
Sunny
Humidity
43%
Feels like
6°F
Dew Point
0°F
12 PM
19°F
0%
13mph
NNW
Sunny
Humidity
40%
Feels like
6°F
Dew Point
-1°F
1 PM
19°F
0%
13mph
N
Sunny
Humidity
38%
Feels like
6°F
Dew Point
-2°F
2 PM
19°F
0%
12mph
N
Sunny
Humidity
38%
Feels like
7°F
Dew Point
-2°F
3 PM
18°F
0%
11mph
N
Sunny
Humidity
40%
Feels like
6°F
Dew Point
-2°F
4 PM
17°F
0%
10mph
N
Sunny
Humidity
43%
Feels like
4°F
Dew Point
-2°F
4:31 PM
5 PM
15°F
0%
9mph
N
Clear
Humidity
46%
Feels like
4°F
Dew Point
-2°F
6 PM
14°F
0%
7mph
N
Clear
Humidity
49%
Feels like
4°F
Dew Point
-1°F
7 PM
14°F
0%
7mph
NNE
Clear
Humidity
52%
Feels like
4°F
Dew Point
0°F
8 PM
13°F
0%
6mph
N
Clear
Humidity
55%
Feels like
3°F
Dew Point
0°F
9 PM
13°F
0%
6mph
N
Clear
Humidity
57%
Feels like
3°F
Dew Point
0°F
10 PM
12°F
0%
5mph
NNE
Clear
Humidity
59%
Feels like
4°F
Dew Point
1°F
11 PM
12°F
0%
4mph
NNE
Clear
Humidity
61%
Feels like
4°F
Dew Point
1°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Sunday Weather Outlook

Today's 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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide