Johns Island, SC Current Weather Conditions

Current weather observations and 72-hour history for Johns Island, SC. • View 5-Day Forecast ›

▼Current Conditions — Johns Island, SC

CHARLESTON/EXEC (KJZI)

Clear

51.8 F

Humidity:	76%
Wind Speed:	0.0 mph
Barometer:	30.23 in
Dewpoint:	44.6 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Oct 20 2026, 01:15 AM EDT

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 — South Carolina

Temperature

Dewpoint

Wind Speed

Full Interactive Observation Map →

▼Radar — South Carolina

Loading radar…

Active Alerts Lightning

Full Interactive Radar Map →

▼Hourly Observation History — Johns Island, SC

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)
01:15 AM EDT	0.0	10.00	Clear	--	51.8	44.6	76%	NA	NA	30.23	1023.7
12:55 AM EDT	0.0	10.00	Clear	--	50.0	44.6	82%	NA	NA	30.23	1023.7
12:35 AM EDT	0.0	10.00	Clear	--	50.0	44.6	82%	NA	NA	30.23	1023.7
11:35 PM EDT	0.0	10.00	Clear	--	53.6	44.6	71%	NA	NA	30.25	1024.1
02:35 PM EDT	0.0	10.00	Clear	--	68.0	48.2	49%	NA	NA	30.25	1024.1
01:55 PM EDT	G 15.0	10.00	Clear	--	NULL		%	NA	NA		M
01:15 PM EDT		10.00	Clear	--	NULL		%	NA	NA		M
12:55 PM EDT	12.8	10.00	Clear	--	64.4	48.2	56%	NA	NA	30.30	1026.1
12:35 PM EDT	11.4	10.00	Clear	--	64.4	48.2	56%	NA	NA	30.30	1026.1
12:15 PM EDT		10.00	Clear	--	NULL		%	NA	NA		M
11:55 AM EDT	10.3 G 16.1	10.00	Clear	--	62.6	48.2	59%	NA	NA	30.32	1026.8
11:35 AM EDT	12.8	10.00	Clear	--	62.6	46.4	55%	NA	NA	30.33	1027.1
11:15 AM EDT	NE 10.3 G 17.2	10.00	Clear	--	60.8	46.4	59%	NA	NA	30.34	1027.4
10:35 AM EDT	12.8 G 19.7	10.00	Clear	--	59.0	44.6	59%	NA	NA	30.34	1027.4
10:15 AM EDT	G 18.3	10.00	Clear	--	NULL		%	NA	NA		M
09:55 AM EDT	13.9	10.00	Clear	--	57.2	44.6	63%	NA	NA	30.34	1027.4
09:35 AM EDT	10.3 G 17.2	10.00	Clear	--	55.4	44.6	67%	NA	NA	30.35	1027.8
09:15 AM EDT	10.3 G 17.2	10.00	Clear	--	53.6	42.8	67%	NA	NA	30.35	1027.8
08:55 AM EDT		10.00	Clear	--	NULL		%	NA	NA		M
08:35 AM EDT	9.2	10.00	Clear	--	51.8	42.8	71%	NA	NA	30.34	1027.4
08:15 AM EDT	9.2 G 17.2	10.00	Clear	--	50.0	42.8	76%	NA	NA	30.34	1027.4
07:55 AM EDT	11.4	10.00	Clear	--	50.0	42.8	76%	NA	NA	30.34	1027.4
07:35 AM EDT	9.2	10.00	Clear	--	50.0	42.8	76%	NA	NA	30.34	1027.4
07:15 AM EDT	8.1 G 16.1	10.00	Partly Cloudy	--	50.0	44.6	82%	NA	NA	30.34	1027.4
06:55 AM EDT	11.4	10.00	Cloudy	--	50.0	44.6	82%	NA	NA	30.33	1027.1
06:35 AM EDT	9.2 G 18.3	10.00	Mostly Cloudy	--	51.8	44.6	76%	NA	NA	30.33	1027.1
06:15 AM EDT	10.3 G 16.1	10.00	Mostly Cloudy	--	51.8	44.6	76%	NA	NA	30.33	1027.1
05:55 AM EDT		10.00	Partly Cloudy	--	NULL		%	NA	NA		M
05:35 AM EDT	9.2 G 18.3	10.00	Partly Cloudy	--	51.8	44.6	76%	NA	NA	30.33	1027.1
05:15 AM EDT	11.4 G 17.2	10.00	Mostly Clear	--	51.8	44.6	76%	NA	NA	30.32	1026.8
04:55 AM EDT	13.9	10.00	Clear	--	53.6	44.6	71%	NA	NA	30.32	1026.8
04:35 AM EDT		10.00	Clear	--	NULL		%	NA	NA		M
04:15 AM EDT	13.9 G 20.8	10.00	Clear	--	53.6	44.6	71%	NA	NA	30.32	1026.8
03:55 AM EDT		10.00	Clear	--	NULL		%	NA	NA		M
03:35 AM EDT	10.3 G 17.2	10.00	Clear	--	53.6	44.6	71%	NA	NA	30.33	1027.1
03:15 AM EDT	11.4 G 18.3	10.00	Clear	--	53.6	44.6	71%	NA	NA	30.34	1027.4
02:55 AM EDT	11.4 G 17.2	10.00	Mostly Clear	--	53.6	46.4	77%	NA	NA	30.34	1027.4
02:35 AM EDT	10.3 G 18.3	10.00	Mostly Clear	--	53.6	46.4	77%	NA	NA	30.34	1027.4
02:15 AM EDT	11.4 G 17.2	10.00	Mostly Clear	--	53.6	46.4	77%	NA	NA	30.34	1027.4
01:55 AM EDT	11.4	10.00	NULL	--	53.6	46.4	77%	NA	NA	30.34	1027.4
01:35 AM EDT	9.2	10.00	Clear	--	55.4	46.4	72%	NA	NA	30.35	1027.8
01:15 AM EDT		10.00	Partly Cloudy	--	NULL		%	NA	NA		M
12:55 AM EDT	13.9	10.00	Mostly Cloudy	--	55.4	46.4	72%	NA	NA	30.35	1027.8
12:35 AM EDT	15.0 G 20.8	10.00	Mostly Cloudy	--	57.2	46.4	67%	NA	NA	30.36	1028.1
12:15 AM EDT	G 23.0	10.00	Mostly Cloudy	--	NULL		%	NA	NA		M
11:55 PM EDT	16.1 G 24.2	10.00	Mostly Cloudy	--	57.2	46.4	67%	NA	NA	30.36	1028.1
11:35 PM EDT	13.9 G 24.2	10.00	Mostly Clear	--	59.0	46.4	63%	NA	NA	30.36	1028.1
11:15 PM EDT	12.8 G 23.0	10.00	Mostly Clear	--	59.0	46.4	63%	NA	NA	30.36	1028.1
10:55 PM EDT	G 24.2	10.00	Mostly Cloudy	--	NULL		%	NA	NA		M
10:35 PM EDT	16.1	10.00	NULL	--	59.0	46.4	63%	NA	NA	30.36	1028.1
10:15 PM EDT		10.00	Clear	--	NULL		%	NA	NA		M
09:35 PM EDT	13.9 G 19.7	10.00	Partly Cloudy	--	60.8	46.4	59%	NA	NA	30.38	1028.5
09:15 PM EDT	12.8 G 19.7	10.00	Partly Cloudy	--	60.8	48.2	63%	NA	NA	30.36	1028.1
08:55 PM EDT	11.4 G 18.3	10.00	Partly Cloudy	--	60.8	48.2	63%	NA	NA	30.38	1028.5
08:35 PM EDT	12.8 G 23.0	10.00	Mostly Clear	--	60.8	48.2	63%	NA	NA	30.36	1028.1
08:15 PM EDT	11.4 G 20.8	10.00	Partly Cloudy	--	62.6	48.2	59%	NA	NA	30.36	1028.1
07:55 PM EDT	G 19.7	10.00	Partly Cloudy	--	NULL		%	NA	NA		M
07:35 PM EDT	12.8	10.00	Mostly Cloudy	--	62.6	50.0	63%	NA	NA	30.36	1028.1
07:15 PM EDT	9.2 G 18.3	10.00	Cloudy	--	64.4	50.0	60%	NA	NA	30.35	1027.8
06:55 PM EDT	11.4	10.00	Cloudy	--	64.4	50.0	60%	NA	NA	30.35	1027.8
06:35 PM EDT	10.3	10.00	Cloudy	--	64.4	50.0	60%	NA	NA	30.35	1027.8
06:15 PM EDT	12.8	10.00	Mostly Cloudy	--	66.2	48.2	52%	NA	NA	30.35	1027.8
05:55 PM EDT	11.4	10.00	Mostly Cloudy	--	66.2	48.2	52%	NA	NA	30.35	1027.8
05:35 PM EDT	9.2 G 15.0	10.00	Mostly Cloudy	--	64.4	48.2	56%	NA	NA	30.35	1027.8
05:15 PM EDT	9.2 G 17.2	10.00	Cloudy	--	66.2	48.2	52%	NA	NA	30.35	1027.8
04:55 PM EDT	10.3	10.00	NULL	--	66.2	48.2	52%	NA	NA	30.35	1027.8
04:35 PM EDT	11.4	10.00	Partly Cloudy	--	66.2	48.2	52%	NA	NA	30.35	1027.8
04:15 PM EDT	NE 9.2 G 17.2	10.00	Mostly Cloudy	--	66.2	48.2	52%	NA	NA	30.35	1027.8
03:55 PM EDT	12.8	10.00	Mostly Cloudy	--	66.2	48.2	52%	NA	NA	30.35	1027.8
03:35 PM EDT	9.2 G 15.0	10.00	Partly Cloudy	--	66.2	48.2	52%	NA	NA	30.35	1027.8
03:15 PM EDT	NE 11.4	10.00	Partly Cloudy	--	66.2	48.2	52%	NA	NA	30.35	1027.8
02:55 PM EDT	G 18.3	10.00	Clear	--	NULL		%	NA	NA		M