Hourly Weather Forecast - Castalian Springs, TN

12 AM
46°F
20%
4mph
SW
Partly Cloudy
Humidity
83%
Feels like
44°F
Dew Point
41°F
1 AM
45°F
20%
4mph
WSW
Mostly Clear
Humidity
87%
Feels like
42°F
Dew Point
41°F
2 AM
43°F
20%
5mph
WNW
Hazy
Humidity
92%
Feels like
40°F
Dew Point
41°F
3 AM
41°F
10%
5mph
NW
Hazy
Humidity
95%
Feels like
38°F
Dew Point
40°F
4 AM
39°F
10%
5mph
NW
Hazy
Humidity
96%
Feels like
35°F
Dew Point
38°F
5 AM
37°F
10%
6mph
NNW
Partly Cloudy
Humidity
94%
Feels like
33°F
Dew Point
36°F
6 AM
37°F
0%
6mph
N
Partly Cloudy
Humidity
89%
Feels like
32°F
Dew Point
34°F
6:53 AM
7 AM
38°F
10%
6mph
N
Mostly Sunny
Humidity
88%
Feels like
33°F
Dew Point
34°F
8 AM
40°F
10%
6mph
N
Sunny
Humidity
81%
Feels like
35°F
Dew Point
35°F
9 AM
42°F
10%
6mph
NNE
Sunny
Humidity
73%
Feels like
38°F
Dew Point
34°F
10 AM
44°F
0%
6mph
NNE
Sunny
Humidity
66%
Feels like
40°F
Dew Point
33°F
11 AM
46°F
0%
7mph
NNE
Sunny
Humidity
60%
Feels like
42°F
Dew Point
33°F
12 PM
47°F
0%
7mph
NNE
Sunny
Humidity
55%
Feels like
44°F
Dew Point
32°F
1 PM
47°F
0%
7mph
NNE
Sunny
Humidity
51%
Feels like
44°F
Dew Point
31°F
2 PM
47°F
10%
7mph
NNE
Sunny
Humidity
50%
Feels like
44°F
Dew Point
29°F
3 PM
46°F
10%
7mph
NNE
Sunny
Humidity
51%
Feels like
42°F
Dew Point
28°F
4 PM
42°F
10%
6mph
NNE
Sunny
Humidity
55%
Feels like
39°F
Dew Point
28°F
4:33 PM
5 PM
39°F
10%
6mph
NNE
Clear
Humidity
62%
Feels like
35°F
Dew Point
28°F
6 PM
37°F
10%
5mph
NNE
Clear
Humidity
65%
Feels like
33°F
Dew Point
26°F
7 PM
35°F
10%
5mph
NNE
Clear
Humidity
67%
Feels like
31°F
Dew Point
26°F
8 PM
35°F
10%
5mph
NE
Mostly Clear
Humidity
67%
Feels like
30°F
Dew Point
25°F
9 PM
34°F
10%
5mph
NE
Partly Cloudy
Humidity
67%
Feels like
29°F
Dew Point
24°F
10 PM
33°F
10%
5mph
NE
Partly Cloudy
Humidity
67%
Feels like
28°F
Dew Point
23°F
11 PM
33°F
10%
5mph
ENE
Mostly Cloudy
Humidity
67%
Feels like
27°F
Dew Point
23°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Today's Weather Outlook

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How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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