Hourly Weather Forecast - Castalian Springs, TN

12 AM
28°F
0%
4mph
SSE
Clear
Humidity
84%
Feels like
24°F
Dew Point
24°F
1 AM
27°F
0%
4mph
SSE
Clear
Humidity
87%
Feels like
22°F
Dew Point
24°F
2 AM
26°F
0%
4mph
SSE
Hazy
Humidity
92%
Feels like
21°F
Dew Point
24°F
3 AM
26°F
0%
4mph
SSE
Hazy
Humidity
93%
Feels like
20°F
Dew Point
24°F
4 AM
25°F
0%
5mph
S
Hazy
Humidity
92%
Feels like
20°F
Dew Point
23°F
5 AM
26°F
0%
5mph
S
Clear
Humidity
87%
Feels like
21°F
Dew Point
23°F
6 AM
29°F
0%
5mph
S
Clear
Humidity
80%
Feels like
23°F
Dew Point
23°F
6:52 AM
7 AM
33°F
0%
6mph
S
Sunny
Humidity
76%
Feels like
27°F
Dew Point
26°F
8 AM
37°F
0%
7mph
S
Sunny
Humidity
70%
Feels like
32°F
Dew Point
29°F
9 AM
42°F
0%
8mph
S
Sunny
Humidity
63%
Feels like
37°F
Dew Point
30°F
10 AM
46°F
0%
9mph
S
Sunny
Humidity
56%
Feels like
41°F
Dew Point
31°F
11 AM
50°F
0%
11mph
S
Sunny
Humidity
52%
Feels like
45°F
Dew Point
33°F
12 PM
53°F
0%
11mph
S
Sunny
Humidity
48%
Feels like
53°F
Dew Point
34°F
1 PM
54°F
0%
12mph
S
Sunny
Humidity
48%
Feels like
54°F
Dew Point
34°F
2 PM
54°F
0%
12mph
S
Sunny
Humidity
48%
Feels like
54°F
Dew Point
35°F
3 PM
53°F
0%
12mph
S
Sunny
Humidity
49%
Feels like
53°F
Dew Point
34°F
4 PM
51°F
0%
11mph
SSW
Sunny
Humidity
51%
Feels like
51°F
Dew Point
33°F
4:33 PM
5 PM
50°F
0%
10mph
SSW
Clear
Humidity
52%
Feels like
46°F
Dew Point
33°F
6 PM
49°F
10%
9mph
SSW
Clear
Humidity
57%
Feels like
45°F
Dew Point
34°F
7 PM
49°F
10%
8mph
SSW
Clear
Humidity
59%
Feels like
45°F
Dew Point
35°F
8 PM
48°F
10%
7mph
SSW
Clear
Humidity
64%
Feels like
45°F
Dew Point
37°F
9 PM
48°F
10%
7mph
SSW
Mostly Clear
Humidity
69%
Feels like
45°F
Dew Point
38°F
10 PM
47°F
20%
6mph
SSW
Mostly Clear
Humidity
73%
Feels like
45°F
Dew Point
39°F
11 PM
47°F
20%
5mph
SSW
Partly Cloudy
Humidity
80%
Feels like
45°F
Dew Point
41°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

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 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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