Castalian Spring, TN Current Weather Conditions

Current weather observations and 72-hour history for Castalian Spring, TN. • View 5-Day Forecast ›

▼Current Conditions — Castalian Spring, TN

PORTLAND (K1M5)

Clear

82.4 F

Humidity:	58%
Wind Speed:	S 12.8 mph
Barometer:	30.01 in
Dewpoint:	66.2 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	84.6 F
Wind Chill:	NA

May 16 2026, 05:35 PM CDT

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▼Hourly Observation History — Castalian Spring, TN

Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Temperature (F)		Relative Humidity	Wind Chill (F)	Heat Index (F)	Pressure
Time	Wind (mph)	Vis (mi)	Weather	Precip (in)	Air	Dwpt	Relative Humidity	Wind Chill (F)	Heat Index (F)	altimeter (in)	sea level (mb)
05:35 PM CDT	S 12.8	10.00	Clear	--	82.4	66.2	58%	NA	84.6	30.01	1016.3
05:15 PM CDT	S 11.4	10.00	Clear	--	82.4	68.0	62%	NA	85.5	30.01	1016.3
04:55 PM CDT	S 12.7	10.00	Clear	--	82.4	68.0	62%	NA	85.5	30.02	1016.6
04:35 PM CDT	6.9	10.00	Clear	--	84.2	66.2	55%	NA	86.5	30.02	1016.6
04:15 PM CDT	S 15.0	10.00	Clear	--	84.2	66.2	55%	NA	86.5	30.02	1016.6
03:55 PM CDT	SW 8.1 G 16.1	10.00	Clear	--	84.2	68.0	58%	NA	87.4	30.03	1016.9
03:35 PM CDT	12.8 G 19.7	10.00	Clear	--	84.2	68.0	58%	NA	87.4	30.03	1016.9
03:15 PM CDT	11.5 G 21.9	10.00	Clear	--	82.4	66.2	58%	NA	84.6	30.03	1016.9
02:55 PM CDT	S 13.9	10.00	Clear	--	84.2	66.2	55%	NA	86.5	30.03	1016.9
02:35 PM CDT	S 17.2	10.00	Clear	--	82.4	66.2	58%	NA	84.6	30.03	1016.9
02:15 PM CDT	10.3	10.00	Clear	--	84.2	66.2	55%	NA	86.5	30.04	1017.3
01:55 PM CDT	6.9	10.00	Clear	--	80.6	64.4	58%	NA	82.2	30.05	1017.6
01:35 PM CDT	S 10.3 G 18.3	10.00	Clear	--	80.6	64.4	58%	NA	82.2	30.05	1017.6
01:15 PM CDT	S 13.8	10.00	Clear	--	80.6	64.4	58%	NA	82.2	30.06	1017.9
12:55 PM CDT	10.3 G 20.8	10.00	Mostly Clear	--	80.6	64.4	58%	NA	82.2	30.07	1018.3
12:35 PM CDT	S 12.8	10.00	Partly Cloudy	--	80.6	62.6	54%	NA	81.9	30.07	1018.3
12:15 PM CDT	S 12.7	10.00	Partly Cloudy	--	78.8	60.8	54%	NA	79.0	30.07	1018.3
11:55 AM CDT	S 12.8	10.00	Partly Cloudy	--	78.8	59.0	51%	NA	78.8	30.07	1018.3
11:35 AM CDT	S 11.4	10.00	Mostly Cloudy	--	78.8	59.0	51%	NA	78.8	30.08	1018.6
11:15 AM CDT	S 10.3	10.00	Mostly Cloudy	--	77.0	57.2	50%	NA	76.8	30.08	1018.6
10:55 AM CDT	S 12.8	10.00	Mostly Cloudy	--	77.0	57.2	50%	NA	76.8	30.08	1018.6
10:35 AM CDT	10.3 G 19.7	10.00	Clear	--	77.0	57.2	50%	NA	76.8	30.07	1018.3
10:15 AM CDT	13.8	10.00	Clear	--	77.0	55.4	47%	NA	76.6	30.07	1018.3
09:55 AM CDT	13.9	10.00	Clear	--	77.0	55.4	47%	NA	76.6	30.07	1018.3
09:35 AM CDT	15.0	10.00	Clear	--	75.2	53.6	47%	NA	74.7	30.06	1018.0
09:15 AM CDT	S 13.8 G 19.6	10.00	Clear	--	73.4	53.6	50%	NA	72.9	30.06	1017.9
08:55 AM CDT	16.1 G 21.9	10.00	Mostly Clear	--	73.4	53.6	50%	NA	72.9	30.06	1018.0
08:35 AM CDT		10.00	NULL	--	71.6	51.8	50%	NA	70.9	30.06	1018.0
08:15 AM CDT	S 15.0 G 20.7	10.00	Clear	--	71.6	53.6	53%	NA	70.9	30.06	1017.9
07:55 AM CDT	S 11.4 G 19.7	10.00	Clear	--	69.8	53.6	56%	NA	NA	30.05	1017.6
07:35 AM CDT	S 13.9	10.00	Clear	--	68.0	51.8	56%	NA	NA	30.05	1017.6
07:15 AM CDT	S 12.7	10.00	Clear	--	68.0	51.8	56%	NA	NA	30.04	1017.3
06:55 AM CDT	S 12.8 G 18.3	10.00	Clear	--	66.2	51.8	60%	NA	NA	30.04	1017.3
06:35 AM CDT	S 15.0	10.00	Clear	--	66.2	51.8	60%	NA	NA	30.03	1016.9
06:15 AM CDT	S 12.8	10.00	Clear	--	66.2	51.8	60%	NA	NA	30.03	1016.9
05:55 AM CDT	S 11.4	10.00	Clear	--	66.2	51.8	60%	NA	NA	30.02	1016.6
05:35 AM CDT	S 13.9	10.00	Mostly Clear	--	66.2	51.8	60%	NA	NA	30.01	1016.3
05:15 AM CDT	S 11.5	10.00	Partly Cloudy	--	66.2	51.8	60%	NA	NA	30.01	1016.3
04:55 AM CDT	S 12.8	10.00	Mostly Clear	--	66.2	51.8	60%	NA	NA	30.00	1015.9
04:35 AM CDT	S 13.9	10.00	Mostly Clear	--	66.2	51.8	60%	NA	NA	30.00	1015.9
04:15 AM CDT	S 12.8	10.00	Mostly Clear	--	66.2	51.8	60%	NA	NA	30.00	1015.9
03:55 AM CDT	S 13.9	10.00	Clear	--	66.2	51.8	60%	NA	NA	30.00	1015.9
03:35 AM CDT	S 11.4	10.00	Clear	--	66.2	51.8	60%	NA	NA	30.00	1015.9
03:15 AM CDT	S 10.3	10.00	Mostly Clear	--	66.2	51.8	60%	NA	NA	30.00	1015.9
02:55 AM CDT	S 12.8	10.00	Mostly Clear	--	66.2	51.8	60%	NA	NA	30.00	1015.9
02:35 AM CDT	S 10.3	10.00	Mostly Clear	--	68.0	51.8	56%	NA	NA	30.00	1015.9
02:15 AM CDT	S 10.4	10.00	Clear	--	68.0	51.8	56%	NA	NA	30.00	1015.9
01:55 AM CDT	S 11.4	10.00	Clear	--	68.0	51.8	56%	NA	NA	30.00	1015.9
01:35 AM CDT	10.3	10.00	Clear	--	68.0	51.8	56%	NA	NA	30.01	1016.3
01:15 AM CDT	9.2	10.00	Clear	--	68.0	51.8	56%	NA	NA	30.01	1016.3
12:55 AM CDT	12.8	10.00	Clear	--	68.0	51.8	56%	NA	NA	29.99	1015.6
12:35 AM CDT	S 15.0	10.00	Clear	--	68.0	51.8	56%	NA	NA	29.99	1015.6
12:15 AM CDT	S 11.5	10.00	Mostly Clear	--	68.0	51.8	56%	NA	NA	30.01	1016.3
11:55 PM CDT	S 11.5	10.00	Partly Cloudy	--	68.0	51.8	56%	NA	NA	30.01	1016.3
11:35 PM CDT	S 11.4 G 17.2	10.00	Mostly Clear	--	69.8	51.8	53%	NA	NA	30.01	1016.3
11:15 PM CDT	S 9.2	10.00	Mostly Clear	--	69.8	51.8	53%	NA	NA	30.01	1016.3
10:55 PM CDT	S 9.2	10.00	Partly Cloudy	--	69.8	51.8	53%	NA	NA	30.01	1016.3
10:35 PM CDT	S 10.3	10.00	Partly Cloudy	--	69.8	51.8	53%	NA	NA	30.00	1015.9
10:15 PM CDT		10.00	Mostly Clear	--	NULL		%	NA	NA		M
09:55 PM CDT	S 8.1	10.00	Partly Cloudy	--	69.8	53.6	56%	NA	NA	30.00	1015.9
09:35 PM CDT	S 6.9	10.00	Partly Cloudy	--	69.8	53.6	56%	NA	NA	30.00	1015.9
09:15 PM CDT	S 8.1	10.00	Partly Cloudy	--	69.8	53.6	56%	NA	NA	30.00	1015.9
08:55 PM CDT	S 6.9	10.00	Mostly Clear	--	71.6	53.6	53%	NA	70.9	29.99	1015.6
08:35 PM CDT	8.1	10.00	Mostly Clear	--	71.6	53.6	53%	NA	70.9	29.99	1015.6
08:15 PM CDT	S 6.9	10.00	Mostly Clear	--	71.6	55.4	57%	NA	71.1	29.99	1015.6
07:55 PM CDT	3.4	10.00	Mostly Clear	--	73.4	53.6	50%	NA	72.9	29.99	1015.6
07:35 PM CDT	4.7	10.00	Partly Cloudy	--	73.4	55.4	53%	NA	72.9	29.99	1015.6
07:15 PM CDT	4.6	10.00	Clear	--	75.2	53.6	47%	NA	74.7	29.98	1015.2
06:55 PM CDT	S 3.4	10.00	Clear	--	73.4	53.6	50%	NA	72.9	29.98	1015.2
06:35 PM CDT	4.7	10.00	Clear	--	75.2	51.8	44%	NA	74.5	29.97	1014.9
06:15 PM CDT	S 6.9 G 12.7	10.00	Clear	--	77.0	51.8	41%	NA	76.3	29.98	1015.2
05:55 PM CDT	S 10.3	10.00	Clear	--	78.8	51.8	39%	NA	78.3	29.98	1015.2