Hourly Weather Forecast - Castalian Springs, TN

12 PM
53°F
0%
7mph
SSW
Partly Cloudy
Humidity
58%
Feels like
53°F
Dew Point
38°F
1 PM
54°F
0%
6mph
SSW
Partly Cloudy
Humidity
59%
Feels like
54°F
Dew Point
40°F
2 PM
54°F
0%
5mph
SSW
Partly Cloudy
Humidity
60%
Feels like
54°F
Dew Point
40°F
3 PM
52°F
0%
4mph
S
Partly Cloudy
Humidity
64%
Feels like
52°F
Dew Point
41°F
4 PM
50°F
0%
4mph
S
Partly Cloudy
Humidity
70%
Feels like
48°F
Dew Point
40°F
4:31 PM
5 PM
47°F
0%
4mph
SSE
Partly Cloudy
Humidity
75%
Feels like
46°F
Dew Point
40°F
6 PM
46°F
0%
4mph
SE
Partly Cloudy
Humidity
79%
Feels like
44°F
Dew Point
40°F
7 PM
45°F
0%
5mph
SE
Partly Cloudy
Humidity
81%
Feels like
43°F
Dew Point
40°F
8 PM
45°F
0%
5mph
SE
Partly Cloudy
Humidity
82%
Feels like
42°F
Dew Point
40°F
9 PM
45°F
0%
5mph
SSE
Partly Cloudy
Humidity
81%
Feels like
42°F
Dew Point
39°F
10 PM
45°F
0%
5mph
SSE
Partly Cloudy
Humidity
79%
Feels like
42°F
Dew Point
38°F
11 PM
44°F
0%
5mph
SSE
Partly Cloudy
Humidity
78%
Feels like
42°F
Dew Point
38°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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide