Hourly Weather Forecast - Castalian Springs, TN

12 AM
31°F
10%
5mph
ENE
Cloudy
Humidity
72%
Feels like
26°F
Dew Point
23°F
1 AM
30°F
10%
5mph
ENE
Mostly Cloudy
Humidity
77%
Feels like
25°F
Dew Point
24°F
2 AM
29°F
10%
5mph
ENE
Partly Cloudy
Humidity
81%
Feels like
24°F
Dew Point
24°F
3 AM
29°F
0%
5mph
ENE
Partly Cloudy
Humidity
76%
Feels like
24°F
Dew Point
22°F
4 AM
29°F
0%
5mph
E
Partly Cloudy
Humidity
75%
Feels like
23°F
Dew Point
22°F
5 AM
29°F
10%
5mph
E
Partly Cloudy
Humidity
72%
Feels like
24°F
Dew Point
21°F
6 AM
30°F
10%
5mph
E
Partly Cloudy
Humidity
68%
Feels like
25°F
Dew Point
21°F
6:53 AM
7 AM
33°F
20%
4mph
ESE
Partly Cloudy
Humidity
69%
Feels like
29°F
Dew Point
24°F
8 AM
37°F
20%
4mph
ESE
Mostly Sunny
Humidity
68%
Feels like
34°F
Dew Point
28°F
9 AM
41°F
30%
5mph
ESE
30% Chance Rain Showers
Humidity
65%
Feels like
38°F
Dew Point
30°F
10 AM
44°F
30%
5mph
SE
30% Chance Rain Showers
Humidity
60%
Feels like
41°F
Dew Point
31°F
11 AM
47°F
30%
6mph
SE
30% Chance Rain Showers
Humidity
55%
Feels like
45°F
Dew Point
32°F
12 PM
50°F
30%
7mph
SSE
30% Chance Rain Showers
Humidity
51%
Feels like
50°F
Dew Point
33°F
1 PM
52°F
30%
7mph
SSE
30% Chance Rain Showers
Humidity
49%
Feels like
52°F
Dew Point
33°F
2 PM
52°F
40%
7mph
SSE
40% Chance of Light Rain
Humidity
51%
Feels like
52°F
Dew Point
35°F
3 PM
51°F
40%
7mph
SSE
40% Chance of Light Rain
Humidity
54%
Feels like
51°F
Dew Point
35°F
4 PM
49°F
40%
7mph
SSE
40% Chance of Light Rain
Humidity
57%
Feels like
46°F
Dew Point
35°F
4:34 PM
5 PM
47°F
40%
7mph
SSE
40% Chance of Light Rain
Humidity
61%
Feels like
44°F
Dew Point
35°F
6 PM
47°F
40%
6mph
SSE
40% Chance of Light Rain
Humidity
66%
Feels like
43°F
Dew Point
36°F
7 PM
46°F
40%
7mph
SSE
40% Chance of Light Rain
Humidity
73%
Feels like
43°F
Dew Point
38°F
8 PM
46°F
40%
7mph
SSE
40% Chance of Light Rain
Humidity
73%
Feels like
43°F
Dew Point
38°F
9 PM
46°F
30%
7mph
SSE
30% Chance of Light Rain
Humidity
73%
Feels like
43°F
Dew Point
38°F
10 PM
47°F
30%
8mph
S
30% Chance of Light Rain
Humidity
71%
Feels like
43°F
Dew Point
38°F
11 PM
47°F
20%
8mph
S
Cloudy
Humidity
71%
Feels like
43°F
Dew Point
38°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

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

Thursday's Weather Outlook

Thursday'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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