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

46.4 F

Humidity:	93%
Wind Speed:	0.0 mph
Barometer:	30.40 in
Dewpoint:	44.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Oct 18 2026, 10:55 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)
10:55 PM CDT	0.0	10.00	Clear	--	46.4	44.6	93%	NA	NA	30.40	1029.5
10:35 PM CDT	0.0	10.00	Clear	--	44.6	44.6	100%	NA	NA	30.40	1029.5
10:15 PM CDT	0.0	10.00	Clear	--	46.4	44.6	93%	NA	NA	30.39	1029.1
09:55 PM CDT	0.0	10.00	Clear	--	46.4	44.6	93%	NA	NA	30.39	1029.1
09:35 PM CDT	S 3.4	10.00	Clear	--	48.2	44.6	87%	47.3	NA	30.39	1029.1
09:15 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
08:35 PM CDT	0.0	10.00	Clear	--	50.0	42.8	76%	NA	NA	30.39	1029.1
08:15 PM CDT	0.0	10.00	Clear	--	51.8	44.6	76%	NA	NA	30.39	1029.1
07:55 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
07:35 PM CDT	0.0	10.00	Clear	--	55.4	42.8	62%	NA	NA	30.39	1029.1
07:15 PM CDT	0.0	10.00	Clear	--	55.4	42.8	62%	NA	NA	30.39	1029.1
06:55 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
06:35 PM CDT	0.0	10.00	Clear	--	59.0	41.0	51%	NA	NA	30.38	1028.8
06:15 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
05:55 PM CDT	0.0	10.00	Clear	--	64.4	37.4	37%	NA	NA	30.38	1028.8
05:35 PM CDT	0.0	10.00	Clear	--	66.2	35.6	32%	NA	NA	30.38	1028.8
05:15 PM CDT	0.0	10.00	Clear	--	66.2	37.4	35%	NA	NA	30.38	1028.8
04:55 PM CDT		10.00	NULL	--	NULL		%	NA	NA		M
04:35 PM CDT	4.7	10.00	NULL	--	68.0	35.6	30%	NA	NA	30.38	1028.8
04:15 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
03:55 PM CDT		10.00	NULL	--	NULL		%	NA	NA		M
03:35 PM CDT	0.0	10.00	Clear	--	68.0	35.6	30%	NA	NA	30.38	1028.8
03:15 PM CDT	4.6	9.00	Clear	--	66.2	35.6	32%	NA	NA	30.39	1029.1
02:55 PM CDT	4.6	4.00	Haze	--	66.2	35.6	32%	NA	NA	30.39	1029.1
02:35 PM CDT	W 4.7	10.00	Clear	--	66.2	35.6	32%	NA	NA	30.40	1029.5
02:15 PM CDT	3.4	10.00	Clear	--	66.2	35.6	32%	NA	NA	30.40	1029.5
01:55 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
01:35 PM CDT	3.4	10.00	Clear	--	66.2	37.4	35%	NA	NA	30.42	1030.1
01:15 PM CDT	3.4	5.00	NULL	--	64.4	37.4	37%	NA	NA		M
12:55 PM CDT		8.00	Mostly Clear	--	NULL		%	NA	NA		M
12:35 PM CDT	0.0	10.00	Clear	--	64.4	35.6	34%	NA	NA	30.45	1031.2
12:15 PM CDT	5.7	10.00	Clear	--	62.6	37.4	39%	NA	NA		M
11:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
11:35 AM CDT	8.1	10.00	Clear	--	60.8	37.4	42%	NA	NA	30.49	1032.5
11:15 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
10:55 AM CDT	0.0	10.00	Clear	--	57.2	37.4	47%	NA	NA	30.51	1032.9
10:35 AM CDT	S 6.9	10.00	Clear	--	57.2	39.2	51%	NA	NA	30.51	1032.9
10:15 AM CDT	4.7	10.00	Clear	--	55.4	39.2	54%	NA	NA	30.51	1032.9
09:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
09:15 AM CDT	5.7	10.00	Clear	--	50.0	42.8	76%	NA	NA	30.50	1032.8
08:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
08:35 AM CDT	4.7	10.00	Clear	--	44.6	41.0	87%	42.1	NA	30.49	1032.5
08:15 AM CDT	0.0	10.00	Clear	--	42.8	41.0	93%	NA	NA	30.49	1032.5
07:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
07:35 AM CDT	0.0	10.00	Clear	--	37.4	37.4	100%	NA	NA	30.48	1032.2
07:15 AM CDT	0.0	10.00	Clear	--	35.6	35.6	100%	NA	NA	30.47	1031.8
06:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
06:35 AM CDT	0.0	10.00	Clear	--	37.4	37.4	100%	NA	NA	30.47	1031.8
06:15 AM CDT	0.0	10.00	Clear	--	37.4	37.4	100%	NA	NA	30.47	1031.8
05:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
05:35 AM CDT	0.0	10.00	Clear	--	37.4	35.6	93%	NA	NA	30.46	1031.5
05:15 AM CDT	0.0	10.00	Clear	--	37.4	37.4	100%	NA	NA	30.46	1031.5
04:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
04:35 AM CDT	0.0	10.00	Clear	--	37.4	37.4	100%	NA	NA	30.45	1031.2
04:15 AM CDT	0.0	10.00	Clear	--	39.2	39.2	100%	NA	NA	30.45	1031.2
03:55 AM CDT	0.0	10.00	Clear	--	39.2	39.2	100%	NA	NA	30.45	1031.2
03:35 AM CDT	0.0	10.00	NULL	--	37.4	37.4	100%	NA	NA	30.45	1031.2
03:15 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
02:55 AM CDT	0.0	10.00	Clear	--	39.2	39.2	100%	NA	NA	30.45	1031.2
02:35 AM CDT	0.0	10.00	Clear	--	39.2	39.2	100%	NA	NA	30.45	1031.2
02:15 AM CDT	0.0	10.00	Clear	--	39.2	39.2	100%	NA	NA	30.45	1031.2
01:55 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
01:35 AM CDT	0.0	10.00	Clear	--	39.2	39.2	100%	NA	NA	30.45	1031.2
01:15 AM CDT	0.0	10.00	Clear	--	39.2	39.2	100%	NA	NA	30.45	1031.2
12:55 AM CDT	0.0	10.00	Clear	--	41.0	41.0	100%	NA	NA	30.45	1031.2
12:35 AM CDT	0.0	10.00	Clear	--	41.0	41.0	100%	NA	NA	30.45	1031.2
12:15 AM CDT	0.0	10.00	Clear	--	41.0	41.0	100%	NA	NA	30.45	1031.2
11:55 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
11:35 PM CDT	0.0	10.00	NULL	--	42.8	39.2	87%	NA	NA	30.45	1031.2
11:15 PM CDT	0.0	10.00	Clear	--	42.8	41.0	93%	NA	NA	30.45	1031.2
10:55 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
10:35 PM CDT	0.0	10.00	Clear	--	44.6	41.0	87%	NA	NA	30.45	1031.2