St Clairsville, PA Current Weather Conditions

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

▼Current Conditions — St Clairsville, PA

JOHNSTOWN (KJST)

Clear

37.4 F

Humidity:	52%
Wind Speed:	0.0 mph
Barometer:	30.47 in
Dewpoint:	21.2 F
Visibility:	10.00 mi
Precip:	--
Heat Index:	NA
Wind Chill:	NA

Oct 19 2026, 07:50 AM EDT

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▼Hourly Observation History — St Clairsville, PA

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)
07:50 AM EDT	0.0	10.00	Clear	--	37.4	21.2	52%	NA	NA	30.47	1031.8
07:45 AM EDT	0.0	10.00	Clear	--	35.6	21.2	55%	NA	NA	30.47	1031.8
07:40 AM EDT	3.4	10.00	Clear	--	37.4	19.4	48%	34.9	NA	30.47	1031.8
07:35 AM EDT	W 3.4	10.00	Clear	--	37.4	19.4	48%	34.9	NA	30.47	1031.8
07:30 AM EDT	W 3.4	10.00	Clear	--	37.4	19.4	48%	34.9	NA	30.47	1031.8
07:20 AM EDT	3.4	10.00	Clear	--	37.4	19.4	48%	34.9	NA	30.46	1031.5
07:15 AM EDT	SW 3.4	10.00	Clear	--	37.4	21.2	52%	34.9	NA	30.46	1031.5
07:00 AM EDT	0.0	10.00	Clear	--	37.4	19.4	48%	NA	NA	30.46	1031.5
06:50 AM EDT	4.6	10.00	Clear	--	37.4	19.4	48%	33.8	NA	30.46	1031.5
06:20 AM EDT	0.0	10.00	Clear	--	39.2	19.4	45%	NA	NA	30.47	1031.8
06:05 AM EDT	0.0	10.00	Clear	--	41.0	17.6	38%	NA	NA	30.46	1031.5
05:54 AM EDT	0.0	10.00	Clear	--	42.1		%	NA	NA	30.46	1031.5
04:54 AM EDT	0.0	10.00	Clear	--	NULL	18.0	%	NA	NA	30.45	1031.2
04:40 AM EDT	0.0	10.00	Clear	--	39.2	19.4	45%	NA	NA	30.45	1031.2
04:35 AM EDT	0.0	10.00	Clear	--	39.2	21.2	48%	NA	NA	30.46	1031.5
04:30 AM EDT	0.0	10.00	Clear	--	41.0	21.2	45%	NA	NA	30.46	1031.5
04:20 AM EDT	3.4	10.00	Clear	--	39.2	21.2	48%	37.0	NA	30.46	1031.5
04:15 AM EDT	SW 4.6	10.00	Clear	--	39.2	21.2	48%	35.8	NA	30.46	1031.5
04:10 AM EDT	SW 4.6	10.00	Clear	--	39.2	21.2	48%	35.8	NA	30.46	1031.5
04:00 AM EDT	5.7	10.00	Clear	--	41.0	19.4	42%	37.0	NA	30.46	1031.5
03:55 AM EDT	SW 4.6	10.00	Clear	--	41.0	19.4	42%	37.9	NA	30.46	1031.5
03:25 AM EDT	SW 3.4	10.00	Clear	--	39.2	24.8	56%	37.0	NA	30.46	1031.5
03:20 AM EDT	0.0	10.00	Clear	--	39.2	24.8	56%	NA	NA	30.46	1031.5
03:15 AM EDT	0.0	10.00	Clear	--	39.2	23.0	52%	NA	NA	30.46	1031.5
03:05 AM EDT	4.6	10.00	Clear	--	41.0	21.2	45%	37.9	NA	30.47	1031.8
02:55 AM EDT	W 3.4	10.00	Clear	--	41.0	21.2	45%	39.0	NA	30.47	1031.8
02:45 AM EDT	0.0	10.00	Clear	--	41.0	21.2	45%	NA	NA	30.47	1031.8
02:40 AM EDT	3.4	10.00	Clear	--	41.0	23.0	48%	39.0	NA	30.47	1031.8
01:54 AM EDT	0.0	10.00	Clear	--	NULL		%	NA	NA	30.47	1031.8
01:00 AM EDT	SW 4.6	10.00	Clear	--	42.8	19.4	39%	40.1	NA	30.48	1032.2
11:54 PM EDT	5.8	10.00	Clear	--	NULL		%	NA	NA	30.49	1032.5
11:40 PM EDT	SW 5.7	10.00	Clear	--	44.6		%	41.4	NA	30.49	1032.5
11:05 PM EDT	6.9	10.00	Clear	--	44.6		%	40.6	NA	30.50	1032.8
11:00 PM EDT	5.7	10.00	Clear	--	44.6	23.0	42%	41.4	NA	30.50	1032.8
10:05 PM EDT	3.4	10.00	Clear	--	46.4		%	45.1	NA	30.50	1032.8
09:55 PM EDT	SW 6.9	10.00	Clear	--	46.4	24.8	42%	43.0	NA	30.50	1032.8
09:50 PM EDT	SW 5.7	10.00	Clear	--	46.4	24.8	42%	43.5	NA	30.50	1032.8
09:45 PM EDT	SW 4.6	10.00	Clear	--	46.4		%	44.2	NA	30.50	1032.8
09:40 PM EDT	SW 4.6	10.00	Clear	--	46.4		%	44.2	NA	30.51	1033.2
09:20 PM EDT	4.6	10.00	Clear	--	46.4	24.8	42%	44.2	NA	30.51	1033.2
09:15 PM EDT	W 4.6	10.00	Clear	--	46.4	24.8	42%	44.2	NA	30.51	1033.2
09:05 PM EDT	5.7	10.00	Clear	--	46.4	23.0	39%	43.5	NA	30.51	1033.2
08:55 PM EDT	S 4.6	10.00	Clear	--	48.2	23.0	37%	46.4	NA	30.51	1033.2
08:50 PM EDT	S 4.6	10.00	Clear	--	48.2	23.0	37%	46.4	NA	30.51	1033.2
08:35 PM EDT	4.6	10.00	Clear	--	46.4		%	44.2	NA	30.51	1033.2
08:30 PM EDT	5.7	10.00	Clear	--	46.4		%	43.5	NA	30.51	1033.2
08:20 PM EDT	6.9	10.00	Clear	--	46.4		%	43.0	NA	30.51	1033.2
08:10 PM EDT	8.1	10.00	Clear	--	46.4	23.0	39%	42.4	NA	30.51	1033.2
08:00 PM EDT	6.9	10.00	Clear	--	46.4		%	43.0	NA	30.51	1033.2
07:50 PM EDT	6.9	10.00	Clear	--	46.4	21.2	37%	43.0	NA	30.51	1033.2
07:40 PM EDT	5.7	10.00	Clear	--	46.4	21.2	37%	43.5	NA	30.50	1032.8
07:35 PM EDT	6.9	10.00	Clear	--	48.2		%	45.1	NA	30.50	1032.8
07:25 PM EDT	5.7	10.00	Clear	--	48.2	21.2	34%	45.7	NA	30.50	1032.8
07:20 PM EDT	5.7	10.00	Clear	--	48.2	21.2	34%	45.7	NA	30.50	1032.8
07:05 PM EDT	5.7	10.00	Clear	--	48.2		%	45.7	NA	30.50	1032.8
06:45 PM EDT	5.7	10.00	Clear	--	50.0	19.4	30%	NA	NA	30.50	1032.8
06:20 PM EDT	3.4	10.00	Clear	--	51.8	19.4	28%	NA	NA	30.51	1033.2
06:15 PM EDT	4.6	10.00	Clear	--	51.8	19.4	28%	NA	NA	30.51	1033.2
06:05 PM EDT	4.6	10.00	Clear	--	53.6	19.4	26%	NA	NA	30.51	1033.2
05:50 PM EDT	5.7	10.00	Clear	--	53.6	19.4	26%	NA	NA	30.51	1033.2
05:45 PM EDT	SE 5.7	10.00	Clear	--	53.6	19.4	26%	NA	NA	30.51	1033.2
05:40 PM EDT	4.6	10.00	Clear	--	53.6	19.4	26%	NA	NA	30.51	1033.2
05:30 PM EDT	6.9	10.00	Clear	--	55.4	19.4	24%	NA	NA	30.52	1033.5
05:20 PM EDT	SE 6.9	10.00	Clear	--	55.4	19.4	24%	NA	NA	30.51	1033.2
05:10 PM EDT	SE 6.9	10.00	Clear	--	55.4	21.2	26%	NA	NA	30.52	1033.5
05:00 PM EDT	9.2	10.00	Clear	--	55.4	21.2	26%	NA	NA	30.52	1033.5
04:50 PM EDT	6.9	10.00	Clear	--	57.2	21.2	25%	NA	NA	30.52	1033.5
04:45 PM EDT	5.7	10.00	Clear	--	57.2	21.2	25%	NA	NA	30.52	1033.5
04:40 PM EDT	8.1	10.00	Clear	--	57.2	19.4	23%	NA	NA	30.52	1033.5
04:35 PM EDT	5.7	10.00	Clear	--	57.2	21.2	25%	NA	NA	30.52	1033.5
04:30 PM EDT	E 3.4	10.00	Clear	--	57.2	23.0	26%	NA	NA	30.52	1033.5
04:15 PM EDT	3.4	10.00	Clear	--	57.2	23.0	26%	NA	NA	30.52	1033.5