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)

Mostly Clear

73.4 F

Humidity:	100%
Wind Speed:	8.1 mph
Barometer:	30.09 in
Dewpoint:	73.4 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	75.2 F
Wind Chill:	NA

Aug 8 2026, 03:35 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)
03:35 AM CDT	8.1	10.00	Mostly Clear	--	73.4	73.4	100%	NA	75.2	30.09	1019.0
03:15 AM CDT	6.9	10.00	Mostly Clear	--	73.4	73.4	100%	NA	75.2	30.10	1019.3
02:55 AM CDT	S 8.1	10.00	Mostly Clear	--	73.4	73.4	100%	NA	75.2	30.10	1019.3
02:35 AM CDT	S 9.2	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.12	1019.7
02:15 AM CDT	S 8.1	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.11	1019.6
01:55 AM CDT	S 8.1	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.12	1019.7
01:35 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
01:15 AM CDT	S 10.4	10.00	Mostly Clear	--	73.4	73.4	100%	NA	75.2	30.11	1019.6
12:55 AM CDT	S 10.4	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.11	1019.6
12:35 AM CDT	S 11.4	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.12	1020.0
12:15 AM CDT	11.4	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.12	1020.0
11:35 PM CDT	S 9.2	10.00	Clear	--	73.4	71.6	94%	NA	74.8	30.12	1019.7
11:15 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
10:55 PM CDT	S 9.2	10.00	Clear	--	73.4	71.6	94%	NA	74.8	30.10	1019.3
10:35 PM CDT	S 6.9	10.00	Clear	--	73.4	71.6	94%	NA	74.8	30.10	1019.3
10:15 PM CDT	S 8.1	10.00	Clear	--	73.4	71.6	94%	NA	74.8	30.10	1019.3
09:55 PM CDT	S 5.8	10.00	Clear	--	75.2	71.6	89%	NA	76.6	30.12	1019.7
09:35 PM CDT	6.9	10.00	Clear	--	75.2	71.6	89%	NA	76.6	30.10	1019.3
09:15 PM CDT	S 6.9	10.00	Clear	--	75.2	71.6	89%	NA	76.6	30.10	1019.3
08:55 PM CDT	S 9.2	10.00	Clear	--	77.0	71.6	83%	NA	78.3	30.10	1019.3
08:35 PM CDT	11.4	10.00	Clear	--	77.0	71.6	83%	NA	78.3	30.10	1019.3
08:15 PM CDT	S 13.8	10.00	Clear	--	77.0	71.6	83%	NA	78.3	30.10	1019.3
07:55 PM CDT	S 10.3	10.00	Clear	--	77.0	71.6	83%	NA	78.3	30.09	1019.0
07:35 PM CDT	S 10.3	10.00	Clear	--	78.8	71.6	79%	NA	81.7	30.08	1018.6
07:15 PM CDT	S 12.8	10.00	Clear	--	78.8	69.8	74%	NA	79.9	30.08	1018.6
06:55 PM CDT	S 11.4	10.00	Clear	--	80.6	69.8	70%	NA	83.8	30.09	1019.0
06:35 PM CDT	G 20.8	10.00	Partly Cloudy	--	80.6	71.6	74%	NA	84.6	30.09	1019.0
06:15 PM CDT	G 27.6	10.00	Mostly Cloudy	--	NULL		%	NA	NA		M
05:55 PM CDT	10.3 G 17.2	10.00	Mostly Clear	--	86.0	75.2	70%	NA	95.2	30.09	1019.0
05:35 PM CDT	SW 4.7	10.00	Clear	--	91.4	69.8	49%	NA	97.0	30.07	1018.3
05:15 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
04:35 PM CDT	0.0	10.00	Mostly Clear	--	91.4	69.8	49%	NA	97.0	30.08	1018.6
04:15 PM CDT	0.0	10.00	Partly Cloudy	--	91.4	71.6	53%	NA	98.6	30.08	1018.6
03:55 PM CDT	5.8	10.00	Mostly Clear	--	91.4	71.6	53%	NA	98.6	30.08	1018.6
03:35 PM CDT	SW 4.7	10.00	Mostly Clear	--	91.4	69.8	49%	NA	97.0	30.08	1018.6
03:15 PM CDT		10.00	Partly Cloudy	--	NULL		%	NA	NA		M
02:55 PM CDT	4.7	10.00	Mostly Clear	--	91.4	71.6	53%	NA	98.6	30.10	1019.3
02:35 PM CDT	W 5.8	10.00	Partly Cloudy	--	89.6	69.8	52%	NA	94.8	30.10	1019.3
02:15 PM CDT	6.9 G 13.9	10.00	Partly Cloudy	--	91.4	71.6	53%	NA	98.6	30.12	1020.0
01:55 PM CDT	6.9	10.00	Partly Cloudy	--	89.6	73.4	59%	NA	98.2	30.12	1020.0
01:35 PM CDT		10.00	Partly Cloudy	--	NULL		%	NA	NA		M
01:15 PM CDT	0.0	10.00	Clear	--	89.6	75.2	63%	NA	100.2	30.14	1020.7
12:55 PM CDT	8.1	10.00	Clear	--	89.6	77.0	67%	NA	102.6	30.14	1020.7
12:35 PM CDT	8.1 G 15.0	10.00	Clear	--	89.6	77.0	67%	NA	102.6	30.15	1021.0
12:15 PM CDT	6.9	10.00	Clear	--	87.8	75.2	66%	NA	97.7	30.15	1021.0
11:55 AM CDT	S 8.1	10.00	NULL	--	87.8	75.2	66%	NA	97.7	30.16	1021.3
11:35 AM CDT	8.1	10.00	Clear	--	86.0	75.2	70%	NA	95.2	30.16	1021.3
11:15 AM CDT	S 10.3	10.00	Clear	--	86.0	77.0	75%	NA	97.2	30.16	1021.3
10:55 AM CDT	S 5.8	10.00	Clear	--	84.2	75.2	74%	NA	92.5	30.17	1021.7
10:35 AM CDT	SW 8.1	10.00	Clear	--	84.2	75.2	74%	NA	92.5	30.17	1021.7
10:15 AM CDT	S 6.9	10.00	Clear	--	82.4	75.2	79%	NA	89.4	30.16	1021.3
09:55 AM CDT	S 8.1	10.00	Clear	--	82.4	75.2	79%	NA	89.4	30.17	1021.7
09:35 AM CDT	S 6.9	10.00	Clear	--	82.4	75.2	79%	NA	89.4	30.16	1021.3
09:15 AM CDT	S 6.9	10.00	Clear	--	80.6	75.2	84%	NA	86.2	30.15	1021.0
08:55 AM CDT	S 8.1	10.00	Clear	--	80.6	75.2	84%	NA	86.2	30.15	1021.0
08:35 AM CDT	S 9.2	10.00	Clear	--	78.8	75.2	89%	NA	82.4	30.15	1021.0
08:15 AM CDT	S 9.2	10.00	Clear	--	78.8	73.4	84%	NA	82.0	30.15	1021.0
07:55 AM CDT	S 8.1	10.00	Clear	--	77.0	73.4	89%	NA	78.6	30.15	1021.0
07:35 AM CDT	S 9.2	10.00	Clear	--	75.2	73.4	94%	NA	76.8	30.14	1020.7
07:15 AM CDT	S 8.1	10.00	Clear	--	75.2	73.4	94%	NA	76.8	30.14	1020.7
06:55 AM CDT	S 9.2	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.14	1020.7
06:35 AM CDT	S 8.1	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.14	1020.7
06:15 AM CDT	S 9.2	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.14	1020.7
05:55 AM CDT	S 8.1	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.13	1020.3
05:35 AM CDT	S 9.2	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.13	1020.3
05:15 AM CDT	S 5.7	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.13	1020.3
04:55 AM CDT	S 5.8	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.13	1020.3
04:35 AM CDT	S 8.1	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.13	1020.3
04:15 AM CDT	S 6.9	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.13	1020.3
03:55 AM CDT	S 5.8	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.13	1020.3
03:35 AM CDT	S 6.9	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.12	1020.0
03:15 AM CDT	S 6.9	10.00	Clear	--	73.4	73.4	100%	NA	75.2	30.12	1020.0