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

71.6 F

Humidity:	100%
Wind Speed:	0.0 mph
Barometer:	30.12 in
Dewpoint:	71.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	73.2 F
Wind Chill:	NA

Sep 1 2026, 06:35 AM 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)
06:35 AM CDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.12	1019.7
06:15 AM CDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.10	1019.3
05:55 AM CDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.10	1019.3
05:35 AM CDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.10	1019.3
05:15 AM CDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.09	1019.0
04:55 AM CDT	4.7	10.00	Clear	--	73.4	71.6	94%	NA	74.8	30.09	1019.0
04:35 AM CDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.08	1018.6
04:15 AM CDT	S 5.8	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.08	1018.6
03:55 AM CDT	S 5.8	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.08	1018.6
03:35 AM CDT	S 4.7	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.08	1018.6
03:15 AM CDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.08	1018.6
02:55 AM CDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.07	1018.3
02:35 AM CDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.07	1018.3
02:15 AM CDT	0.0	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.07	1018.3
02:00 AM CDT	0.0	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.08	1018.6
12:55 AM CDT	0.0	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.09	1019.0
12:35 AM CDT	0.0	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.09	1019.0
12:15 AM CDT	0.0	10.00	Clear	--	75.2	73.4	94%	NA	76.8	30.09	1019.0
11:55 PM CDT	0.0	10.00	Clear	--	75.2	73.4	94%	NA	76.8	30.09	1019.0
11:35 PM CDT	0.0	10.00	Clear	--	75.2	73.4	94%	NA	76.8	30.09	1019.0
11:15 PM CDT	0.0	10.00	Clear	--	75.2	73.4	94%	NA	76.8	30.08	1018.6
10:55 PM CDT	S 3.4	10.00	Clear	--	75.2	73.4	94%	NA	76.8	30.08	1018.6
10:35 PM CDT	0.0	10.00	Clear	--	75.2	73.4	94%	NA	76.8	30.08	1018.6
10:15 PM CDT	0.0	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.08	1018.6
09:55 PM CDT	0.0	10.00	NULL	--	77.0	73.4	89%	NA	78.6	30.08	1018.6
09:35 PM CDT	0.0	10.00	Clear	--	78.8	73.4	84%	NA	82.0	30.07	1018.3
09:15 PM CDT	0.0	10.00	NULL	--	78.8	73.4	84%	NA	82.0	30.07	1018.3
08:55 PM CDT	0.0	10.00	Clear	--	80.6	73.4	79%	NA	85.3	30.06	1018.0
08:35 PM CDT	0.0	10.00	Clear	--	82.4	71.6	70%	NA	87.3	30.06	1018.0
08:15 PM CDT	0.0	10.00	Clear	--	NULL	73.4	%	NA	NA	30.05	1017.6
07:55 PM CDT	S 3.4	10.00	Clear	--	82.4	71.6	70%	NA	87.3	30.05	1017.6
07:35 PM CDT	S 3.4	10.00	Clear	--	84.2	71.6	66%	NA	89.6	30.05	1017.6
07:15 PM CDT	S 3.4	10.00	Clear	--	84.2	71.6	66%	NA	89.6	30.05	1017.6
06:55 PM CDT	0.0	10.00	Clear	--	87.8	69.8	55%	NA	92.7	30.05	1017.6
06:35 PM CDT	S 3.4	10.00	Clear	--	91.4	68.0	46%	NA	95.5	30.05	1017.6
06:15 PM CDT	0.0	10.00	Clear	--	93.2	66.2	41%	NA	96.4	30.06	1017.9
05:55 PM CDT	0.0	10.00	Clear	--	93.2	66.2	41%	NA	96.4	30.06	1018.0
05:35 PM CDT	0.0	10.00	Clear	--	93.2	66.2	41%	NA	96.4	30.06	1018.0
05:15 PM CDT	0.0	10.00	Clear	--	93.2	66.2	41%	NA	96.4	30.06	1017.9
04:55 PM CDT	W 3.4	10.00	Mostly Clear	--	93.2	66.2	41%	NA	96.4	30.07	1018.3
04:35 PM CDT	0.0	10.00	Mostly Clear	--	95.0	66.2	39%	NA	98.4	30.07	1018.3
04:15 PM CDT	SW 4.6	10.00	Clear	--	95.0	66.2	39%	NA	98.4	30.08	1018.6
03:55 PM CDT	3.4	10.00	Mostly Clear	--	95.0	68.0	42%	NA	99.9	30.08	1018.6
03:35 PM CDT	0.0	10.00	Clear	--	95.0	66.2	39%	NA	98.4	30.08	1018.6
03:15 PM CDT	SE 5.8	9.00	Clear	--	93.2	68.0	44%	NA	97.7	30.08	1018.6
02:55 PM CDT	0.0	10.00	Mostly Clear	--	93.2	68.0	44%	NA	97.7	30.10	1019.3
02:35 PM CDT	W 6.9	10.00	Mostly Clear	--	93.2	68.0	44%	NA	97.7	30.10	1019.3
02:15 PM CDT	0.0	10.00	Mostly Clear	--	91.4	69.8	49%	NA	97.0	30.12	1019.7
01:55 PM CDT	NW 4.7	10.00	Mostly Clear	--	91.4	69.8	49%	NA	97.0	30.12	1019.7
01:35 PM CDT	W 4.7	10.00	Partly Cloudy	--	91.4	69.8	49%	NA	97.0	30.12	1020.0
01:15 PM CDT	4.7	10.00	Clear	--	91.4	69.8	49%	NA	97.0	30.12	1020.0
12:55 PM CDT	SW 8.1	10.00	Clear	--	91.4	68.0	46%	NA	95.5	30.13	1020.3
12:35 PM CDT	SW 5.8	10.00	Partly Cloudy	--	91.4	71.6	53%	NA	98.6	30.14	1020.7
12:15 PM CDT	SW 4.7	10.00	Mostly Cloudy	--	89.6	71.6	56%	NA	96.4	30.14	1020.7
11:55 AM CDT	3.4	10.00	Mostly Cloudy	--	87.8	71.6	59%	NA	94.3	30.15	1021.0
11:35 AM CDT	3.4 G 11.4	10.00	Mostly Clear	--	89.6	69.8	52%	NA	94.8	30.15	1021.0
11:15 AM CDT	0.0 G 11.5	10.00	Partly Cloudy	--	89.6	71.6	56%	NA	96.4	30.15	1021.0
10:55 AM CDT	6.9	10.00	Mostly Clear	--	89.6	71.6	56%	NA	96.4	30.15	1021.0
10:35 AM CDT	SW 6.9 G 13.9	10.00	Clear	--	89.6	71.6	56%	NA	96.4	30.15	1021.0
10:15 AM CDT	W 6.9	10.00	Clear	--	87.8	73.4	62%	NA	95.9	30.15	1021.0
09:55 AM CDT	SW 4.7	10.00	Clear	--	NULL	73.4	%	NA	NA	30.15	1021.0
09:35 AM CDT	6.9	10.00	Clear	--	NULL	73.4	%	NA	NA	30.15	1021.0
09:15 AM CDT	S 6.9	10.00	Clear	--	NULL	73.4	%	NA	NA	30.14	1020.7
08:55 AM CDT	5.8	10.00	Clear	--	NULL	73.4	%	NA	NA	30.14	1020.7
08:35 AM CDT	S 6.9	10.00	Clear	--	NULL	73.4	%	NA	NA	30.14	1020.7
08:15 AM CDT	S 6.9	10.00	Clear	--	NULL	73.4	%	NA	NA	30.14	1020.7
07:55 AM CDT	S 5.8	10.00	Clear	--	NULL	73.4	%	NA	NA	30.13	1020.3
07:35 AM CDT	S 5.8	10.00	Clear	--	NULL	73.4	%	NA	NA	30.12	1020.0
07:15 AM CDT	S 6.9	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.12	1020.0
06:55 AM CDT	S 5.8	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.12	1020.0
06:35 AM CDT	S 4.7	10.00	Mostly Clear	--	71.6	71.6	100%	NA	73.2	30.12	1020.0
06:15 AM CDT	S 5.8	10.00	Mostly Cloudy	--	71.6	71.6	100%	NA	73.2	30.12	1019.7