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

NULL F

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

Jun 7 2026, 09:15 AM CDT

Alert Subscriptions

Severe Weather

Tornado, flood & storm warnings

Observations

Station conditions & threshold alerts

Daily Forecast

Morning summary delivered daily

Lightning

Real-time strike alerts

▼State Weather Snapshot — Tennessee

Temperature

Dewpoint

Wind Speed

Full Interactive Observation Map →

▼Radar — Tennessee

Loading radar…

Active Alerts Lightning

Full Interactive Radar Map →

▼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)
09:15 AM CDT		10.00	Clear	--	NULL		%	NA	NA		M
08:55 AM CDT	5.8	10.00	Clear	--	78.8	68.0	70%	NA	79.7	30.01	1016.3
08:35 AM CDT	6.9	10.00	Clear	--	77.0	68.0	74%	NA	77.9	30.01	1016.3
08:15 AM CDT	S 6.9	10.00	Clear	--	75.2	68.0	78%	NA	76.1	30.01	1016.3
07:55 AM CDT	5.7	10.00	Clear	--	NULL	68.0	%	NA	NA	30.01	1016.3
07:35 AM CDT	0.0	10.00	Clear	--	73.4	68.0	83%	NA	74.3	30.01	1016.3
07:15 AM CDT	0.0	10.00	Clear	--	71.6	68.0	88%	NA	72.7	30.01	1016.3
06:55 AM CDT	6.9	10.00	Clear	--	71.6	68.0	88%	NA	72.7	30.00	1015.9
06:35 AM CDT	0.0	10.00	Clear	--	69.8	68.0	94%	NA	NA	30.00	1015.9
06:15 AM CDT	S 3.4	10.00	Clear	--	68.0	68.0	100%	NA	NA	30.00	1015.9
05:55 AM CDT	S 5.7	10.00	Clear	--	66.2	66.2	100%	NA	NA	29.99	1015.6
05:15 AM CDT	0.0	10.00	Clear	--	66.2	66.2	100%	NA	NA	29.98	1015.2
04:55 AM CDT	S 4.6	10.00	Mostly Clear	--	66.2	66.2	100%	NA	NA	29.98	1015.2
04:35 AM CDT	0.0	10.00	Mostly Clear	--	66.2	66.2	100%	NA	NA	29.98	1015.2
04:15 AM CDT	0.0	10.00	Clear	--	66.2	66.2	100%	NA	NA	29.97	1014.9
03:55 AM CDT	0.0	10.00	Clear	--	66.2	66.2	100%	NA	NA	29.97	1014.9
03:35 AM CDT	0.0	10.00	Clear	--	66.2	66.2	100%	NA	NA	29.97	1014.9
03:15 AM CDT	S 3.4	10.00	Clear	--	68.0	66.2	94%	NA	NA	29.96	1014.6
02:55 AM CDT	S 4.6	10.00	Clear	--	68.0	68.0	100%	NA	NA	29.96	1014.6
02:35 AM CDT	S 3.4	10.00	Clear	--	68.0	68.0	100%	NA	NA	29.96	1014.6
02:15 AM CDT	0.0	10.00	Clear	--	69.8	68.0	94%	NA	NA	29.96	1014.6
01:55 AM CDT	0.0	10.00	Clear	--	69.8	68.0	94%	NA	NA	29.97	1014.9
01:35 AM CDT	3.4	10.00	Clear	--	69.8	68.0	94%	NA	NA	29.97	1014.9
01:15 AM CDT	S 4.7	10.00	Clear	--	71.6	68.0	88%	NA	72.7	29.97	1014.9
12:55 AM CDT	S 4.7	10.00	Clear	--	71.6	68.0	88%	NA	72.7	29.98	1015.2
12:35 AM CDT	5.8	10.00	Clear	--	71.6	68.0	88%	NA	72.7	29.98	1015.2
12:15 AM CDT	S 3.4	10.00	Clear	--	71.6	68.0	88%	NA	72.7	29.98	1015.2
11:55 PM CDT	S 4.7	10.00	Clear	--	71.6	68.0	88%	NA	72.7	29.98	1015.2
11:35 PM CDT	S 3.4	10.00	Clear	--	71.6	68.0	88%	NA	72.7	29.99	1015.6
11:15 PM CDT	S 4.6	10.00	Clear	--	71.6	68.0	88%	NA	72.7	30.00	1015.9
10:55 PM CDT	S 3.4	10.00	Clear	--	73.4	68.0	83%	NA	74.3	30.00	1015.9
10:35 PM CDT	0.0	10.00	Clear	--	75.2	66.2	74%	NA	75.9	30.00	1015.9
10:15 PM CDT	0.0	10.00	Clear	--	75.2	66.2	74%	NA	75.9	30.00	1015.9
09:55 PM CDT	S 4.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.99	1015.6
09:35 PM CDT	4.7	10.00	Clear	--	75.2	66.2	74%	NA	75.9	29.99	1015.6
09:15 PM CDT	4.7	10.00	Clear	--	77.0	66.2	69%	NA	77.7	29.98	1015.2
08:55 PM CDT	S 4.7	10.00	Clear	--	77.0	66.2	69%	NA	77.7	29.97	1014.9
08:35 PM CDT	S 4.7	10.00	Clear	--	77.0	68.0	74%	NA	77.9	29.97	1014.9
08:15 PM CDT	0.0	10.00	Clear	--	77.0	66.2	69%	NA	77.7	29.97	1014.9
07:35 PM CDT	S 5.8	10.00	Clear	--	78.8	64.4	61%	NA	79.3	29.96	1014.6
07:15 PM CDT	S 9.2	10.00	Clear	--	80.6	64.4	58%	NA	82.2	29.95	1014.2
06:55 PM CDT		10.00	Clear	--	NULL		%	NA	NA		M
06:35 PM CDT	S 5.8	10.00	Clear	--	82.4	64.4	55%	NA	84.0	29.96	1014.6
06:15 PM CDT	0.0	10.00	Clear	--	82.4	64.4	55%	NA	84.0	29.97	1014.9
05:55 PM CDT	0.0	10.00	Clear	--	82.4	64.4	55%	NA	84.0	29.98	1015.2
05:35 PM CDT	4.7	10.00	Clear	--	84.2	64.4	52%	NA	85.6	29.99	1015.6
05:15 PM CDT	3.4	10.00	Clear	--	84.2	62.6	48%	NA	85.1	29.99	1015.6
04:55 PM CDT	6.9	10.00	Clear	--	84.2	62.6	48%	NA	85.1	29.99	1015.6
04:35 PM CDT	4.7	10.00	Clear	--	84.2	62.6	48%	NA	85.1	29.99	1015.6
04:15 PM CDT	SW 5.8 G 12.8	10.00	Clear	--	84.2	60.8	45%	NA	84.4	30.00	1015.9
03:55 PM CDT	8.1	10.00	Mostly Clear	--	87.8	62.6	43%	NA	88.5	29.99	1015.6
03:35 PM CDT	SW 6.9	10.00	Mostly Clear	--	86.0	62.6	46%	NA	86.7	30.00	1015.9
03:15 PM CDT	SW 5.8 G 12.8	10.00	Clear	--	86.0	62.6	46%	NA	86.7	30.00	1015.9
02:55 PM CDT	S 10.4	10.00	Clear	--	86.0	62.6	46%	NA	86.7	30.01	1016.3
02:35 PM CDT	8.1 G 13.9	10.00	Mostly Clear	--	87.8	62.6	43%	NA	88.5	30.01	1016.3
02:15 PM CDT	S 8.1	10.00	Partly Cloudy	--	86.0	62.6	46%	NA	86.7	30.01	1016.3
01:55 PM CDT	6.9	10.00	Mostly Clear	--	86.0	60.8	43%	NA	86.0	30.02	1016.6
01:35 PM CDT	4.7	10.00	Mostly Clear	--	86.0	62.6	46%	NA	86.7	30.02	1016.6
01:15 PM CDT	5.7 G 11.5	10.00	Clear	--	86.0	62.6	46%	NA	86.7	30.03	1016.9
12:55 PM CDT	4.7	10.00	Mostly Clear	--	84.2	60.8	45%	NA	84.4	30.03	1016.9
12:35 PM CDT	0.0	10.00	Partly Cloudy	--	84.2	60.8	45%	NA	84.4	30.04	1017.3
12:15 PM CDT	3.4 G 11.5	10.00	Mostly Clear	--	84.2	62.6	48%	NA	85.1	30.04	1017.3
11:55 AM CDT	SW 9.2	10.00	Partly Cloudy	--	82.4	62.6	51%	NA	83.5	30.05	1017.6
11:35 AM CDT	5.8 G 13.9	10.00	Clear	--	82.4	60.8	48%	NA	82.9	30.05	1017.6
11:15 AM CDT	SW 5.8 G 13.9	10.00	Clear	--	82.4	62.6	51%	NA	83.5	30.05	1017.6
10:55 AM CDT	9.2	10.00	Mostly Clear	--	82.4	62.6	51%	NA	83.5	30.06	1017.9
10:35 AM CDT	8.1	10.00	Mostly Clear	--	80.6	64.4	58%	NA	82.2	30.06	1018.0
10:15 AM CDT		10.00	Mostly Clear	--	NULL		%	NA	NA		M
09:55 AM CDT	SW 8.1	10.00	Clear	--	80.6	62.6	54%	NA	81.9	30.07	1018.3
09:35 AM CDT	SW 6.9	10.00	Clear	--	78.8	62.6	58%	NA	79.2	30.07	1018.3
09:15 AM CDT	10.4 G 16.1	10.00	Clear	--	77.0	62.6	61%	NA	77.4	30.07	1018.3
08:35 AM CDT	9.2	10.00	Clear	--	NULL	62.6	%	NA	NA	30.06	1018.0