St. Charles, SC Current Weather Conditions

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

▼Current Conditions — St. Charles, SC

SUMTER (KSMS)

Clear

NULL F

Humidity:	%
Wind Speed:	mph
Barometer:	in
Dewpoint:	F
Visibility:	9.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Sep 21 2026, 10:30 PM 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 — St. Charles, 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)
10:30 PM EDT		9.00	Clear	--	NULL		%	NA	NA		M
10:10 PM EDT	5.8	10.00	Clear	--	78.8	75.2	89%	NA	82.4	29.99	1015.6
09:50 PM EDT	3.4	10.00	Clear	--	78.8	75.2	89%	NA	82.4	29.99	1015.6
09:30 PM EDT	SE 3.4	10.00	Clear	--	78.8	75.2	89%	NA	82.4	29.98	1015.2
09:10 PM EDT	4.7	10.00	Clear	--	80.6	75.2	84%	NA	86.2	29.97	1014.9
08:50 PM EDT	SE 6.9 G 12.8	10.00	Clear	--	80.6	75.2	84%	NA	86.2	29.96	1014.6
08:30 PM EDT	6.9 G 13.9	10.00	Clear	--	82.4	75.2	79%	NA	89.4	29.95	1014.2
08:10 PM EDT	SE 8.1	10.00	Clear	--	82.4	75.2	79%	NA	89.4	29.94	1013.9
07:50 PM EDT	SE 11.4	10.00	Clear	--	84.2	73.4	70%	NA	90.9	29.94	1013.6
07:30 PM EDT	8.1	10.00	Clear	--	84.2	69.8	62%	NA	88.5	29.92	1013.2
07:10 PM EDT	0.0	10.00	Clear	--	86.0	66.2	52%	NA	88.3	29.91	1012.9
06:50 PM EDT	0.0	10.00	Clear	--	89.6	64.4	43%	NA	91.2	29.91	1012.9
06:30 PM EDT	0.0	7.00	Clear	--	91.4	62.6	38%	NA	92.3	29.91	1012.9
06:10 PM EDT	0.0	10.00	Clear	--	93.2	64.4	39%	NA	95.2	29.91	1012.9
05:50 PM EDT	3.4	10.00	Mostly Clear	--	93.2	64.4	39%	NA	95.2	29.91	1012.9
05:30 PM EDT	5.8	10.00	Mostly Clear	--	93.2	64.4	39%	NA	95.2	29.90	1012.5
05:10 PM EDT	E 8.1	10.00	Clear	--	95.0	62.6	34%	NA	96.3	29.90	1012.5
04:50 PM EDT	3.4 G 13.9	10.00	Clear	--	95.0	62.6	34%	NA	96.3	29.90	1012.5
04:30 PM EDT	4.7	10.00	Clear	--	95.0	62.6	34%	NA	96.3	29.90	1012.5
04:10 PM EDT	0.0 G 11.4	10.00	Clear	--	95.0	62.6	34%	NA	96.3	29.91	1012.9
03:50 PM EDT	4.7 G 12.8	10.00	Clear	--	95.0	60.8	32%	NA	95.4	29.91	1012.9
03:30 PM EDT	6.9	10.00	Clear	--	93.2	62.6	36%	NA	94.3	29.91	1012.9
02:30 PM EDT	4.7	10.00	Clear	--	93.2	64.4	39%	NA	95.2	29.94	1013.9
02:10 PM EDT	0.0	10.00	Mostly Clear	--	95.0	64.4	37%	NA	97.3	29.95	1014.2
01:50 PM EDT	4.7	10.00	Clear	--	93.2	64.4	39%	NA	95.2	29.96	1014.6
01:30 PM EDT	5.8 G 15.0	10.00	Mostly Clear	--	93.2	66.2	41%	NA	96.4	29.97	1014.9
01:10 PM EDT	6.9	10.00	Partly Cloudy	--	93.2	66.2	41%	NA	96.4	29.98	1015.2
12:50 PM EDT	5.8 G 12.8	10.00	Mostly Clear	--	91.4	68.0	46%	NA	95.5	29.98	1015.2
12:30 PM EDT	5.8	10.00	Mostly Clear	--	91.4	68.0	46%	NA	95.5	29.99	1015.6
12:10 PM EDT	3.4	10.00	Mostly Clear	--	91.4	68.0	46%	NA	95.5	29.99	1015.6
11:50 AM EDT		9.00	Partly Cloudy	--	91.4	66.2	44%	NA	94.3	29.99	1015.6
11:30 AM EDT	0.0	10.00	Clear	--	89.6	68.0	49%	NA	93.6	30.00	1015.9
11:10 AM EDT	0.0	10.00	Clear	--	89.6	69.8	52%	NA	94.8	30.00	1015.9
10:50 AM EDT	0.0	10.00	Clear	--	87.8	69.8	55%	NA	92.7	30.00	1015.9
10:30 AM EDT	SE 3.4	10.00	Clear	--	86.0	69.8	59%	NA	90.7	30.00	1015.9
10:10 AM EDT	0.0	10.00	Clear	--	86.0	71.6	62%	NA	91.9	30.00	1015.9
09:50 AM EDT	0.0	10.00	Clear	--	82.4	73.4	74%	NA	88.3	30.00	1015.9
09:30 AM EDT	0.0	10.00	Clear	--	80.6	75.2	84%	NA	86.2	30.00	1015.9
09:10 AM EDT	0.0	10.00	Clear	--	78.8	75.2	89%	NA	82.4	30.00	1015.9
09:00 AM EDT	0.0	10.00	NULL	--	77.0	75.2	94%	NA	78.8	30.00	1015.9
08:30 AM EDT	0.0	10.00	Clear	--	73.4	71.6	94%	NA	74.8	30.00	1015.9
08:10 AM EDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	30.00	1015.9
07:50 AM EDT	0.0	10.00	Clear	--	68.0	68.0	100%	NA	NA	29.99	1015.6
07:30 AM EDT	0.0	9.00	Clear	--	66.2	66.2	100%	NA	NA	29.98	1015.2
07:10 AM EDT	0.0	10.00	Clear	--	66.2	66.2	100%	NA	NA	29.98	1015.2
06:50 AM EDT	0.0	9.00	Clear	--	66.2	66.2	100%	NA	NA	29.98	1015.2
06:30 AM EDT	0.0	9.00	Clear	--	66.2	66.2	100%	NA	NA	29.98	1015.2
06:10 AM EDT	0.0	9.00	Clear	--	66.2	66.2	100%	NA	NA	29.97	1014.9
05:50 AM EDT	0.0	8.00	Clear	--	66.2	66.2	100%	NA	NA	29.98	1015.2
05:30 AM EDT	0.0	5.00	Fog/Mist	--	66.2	66.2	100%	NA	NA	29.97	1014.9
05:10 AM EDT	0.0	7.00	Clear	--	NULL		%	NA	NA	29.97	1014.9
04:50 AM EDT	0.0	10.00	Clear	--	68.0	68.0	100%	NA	NA	29.96	1014.6
04:30 AM EDT	0.0	9.00	Clear	--	68.0	68.0	100%	NA	NA	29.96	1014.6
04:10 AM EDT	0.0	9.00	Clear	--	68.0	68.0	100%	NA	NA	29.95	1014.2
03:50 AM EDT	0.0	10.00	Clear	--	68.0	68.0	100%	NA	NA	29.96	1014.6
03:30 AM EDT	0.0	10.00	Clear	--	68.0	68.0	100%	NA	NA	29.96	1014.6
03:10 AM EDT	0.0	6.00	Fog/Mist	--	68.0	68.0	100%	NA	NA	29.96	1014.6
02:50 AM EDT	0.0	10.00	Clear	--	68.0	68.0	100%	NA	NA	29.96	1014.6
02:30 AM EDT	0.0	10.00	Clear	--	NULL		%	NA	NA	29.97	1014.9
02:10 AM EDT	0.0	10.00	Clear	--	69.8	69.8	100%	NA	NA	29.97	1014.9
01:50 AM EDT	0.0	10.00	Clear	--	69.8	69.8	100%	NA	NA	29.97	1014.9
01:30 AM EDT	0.0	10.00	Clear	--	69.8	69.8	100%	NA	NA	29.97	1014.9
01:10 AM EDT	0.0	10.00	Clear	--	69.8	69.8	100%	NA	NA	29.97	1014.9
12:50 AM EDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	29.97	1014.9
12:30 AM EDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	29.96	1014.6
12:10 AM EDT	0.0	10.00	Clear	--	71.6	71.6	100%	NA	73.2	29.97	1014.9
11:50 PM EDT	0.0	10.00	Clear	--	73.4	71.6	94%	NA	74.8	29.97	1014.9
11:30 PM EDT	0.0	10.00	Clear	--	75.2	71.6	89%	NA	76.6	29.96	1014.6
11:10 PM EDT	SE 4.7	10.00	Clear	--	75.2	71.6	89%	NA	76.6	29.96	1014.6
10:50 PM EDT	SE 4.7	10.00	Clear	--	77.0	71.6	83%	NA	78.3	29.97	1014.9
10:30 PM EDT	SE 5.8	10.00	Clear	--	77.0	71.6	83%	NA	78.3	29.97	1014.9
10:10 PM EDT	SE 6.9	10.00	Clear	--	77.0	71.6	83%	NA	78.3	29.96	1014.6