Point Forecast: Clairton PA  40.29N 79.89W (Elev. 866 ft)	Last Update: 10:03 pm EDT Jun 30, 2025

[hide menu]

Weather Elements Fire Weather Aviation Weather Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Pressure (in) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 10pm Mon, Jun 30 202511pm Mon, Jun 30 202512am Tue, Jul 1 20251am Tue, Jul 1 20252am Tue, Jul 1 20253am Tue, Jul 1 20254am Tue, Jul 1 20255am Tue, Jul 1 20256am Tue, Jul 1 20257am Tue, Jul 1 20258am Tue, Jul 1 20259am Tue, Jul 1 202510am Tue, Jul 1 202511am Tue, Jul 1 202512pm Tue, Jul 1 20251pm Tue, Jul 1 20252pm Tue, Jul 1 20253pm Tue, Jul 1 20254pm Tue, Jul 1 20255pm Tue, Jul 1 20256pm Tue, Jul 1 20257pm Tue, Jul 1 20258pm Tue, Jul 1 20259pm Tue, Jul 1 202510pm Tue, Jul 1 202511pm Tue, Jul 1 202512am Wed, Jul 2 20251am Wed, Jul 2 20252am Wed, Jul 2 20253am Wed, Jul 2 20254am Wed, Jul 2 20255am Wed, Jul 2 20256am Wed, Jul 2 20257am Wed, Jul 2 20258am Wed, Jul 2 20259am Wed, Jul 2 202510am Wed, Jul 2 202511am Wed, Jul 2 202512pm Wed, Jul 2 20251pm Wed, Jul 2 20252pm Wed, Jul 2 20253pm Wed, Jul 2 20254pm Wed, Jul 2 20255pm Wed, Jul 2 20256pm Wed, Jul 2 20257pm Wed, Jul 2 20258pm Wed, Jul 2 20259pm Wed, Jul 2 202510pm Wed, Jul 2 202511pm Wed, Jul 2 202512am Thu, Jul 3 20251am Thu, Jul 3 20252am Thu, Jul 3 20253am Thu, Jul 3 20254am Thu, Jul 3 20255am Thu, Jul 3 20256am Thu, Jul 3 20257am Thu, Jul 3 20258am Thu, Jul 3 20259am Thu, Jul 3 202510am Thu, Jul 3 202511am Thu, Jul 3 202512pm Thu, Jul 3 20251pm Thu, Jul 3 20252pm Thu, Jul 3 20253pm Thu, Jul 3 20254pm Thu, Jul 3 20255pm Thu, Jul 3 20256pm Thu, Jul 3 20257pm Thu, Jul 3 20258pm Thu, Jul 3 20259pm Thu, Jul 3 202510pm Thu, Jul 3 202511pm Thu, Jul 3 202512am Fri, Jul 4 20251am Fri, Jul 4 20252am Fri, Jul 4 20253am Fri, Jul 4 20254am Fri, Jul 4 20255am Fri, Jul 4 20256am Fri, Jul 4 20257am Fri, Jul 4 20258am Fri, Jul 4 20259am Fri, Jul 4 202510am Fri, Jul 4 202511am Fri, Jul 4 202512pm Fri, Jul 4 20251pm Fri, Jul 4 20252pm Fri, Jul 4 20253pm Fri, Jul 4 20254pm Fri, Jul 4 20255pm Fri, Jul 4 20256pm Fri, Jul 4 20257pm Fri, Jul 4 20258pm Fri, Jul 4 20259pm Fri, Jul 4 202510pm Fri, Jul 4 202511pm Fri, Jul 4 202512am Sat, Jul 5 20251am Sat, Jul 5 20252am Sat, Jul 5 20253am Sat, Jul 5 20254am Sat, Jul 5 20255am Sat, Jul 5 20256am Sat, Jul 5 20257am Sat, Jul 5 20258am Sat, Jul 5 20259am Sat, Jul 5 2025

Date	06/30		07/01
Hour (EDT)	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21
Temperature (°F)	75	74	73	73	72	72	72	72	71	72	72	74	77	78	81	81	81	83	82	81	79	76	76	74
Dewpoint (°F)	72	72	72	71	70	71	70	70	70	71	72	73	74	75	74	74	74	74	73	73	71	71	71	70
Heat Index (°F)	75												77	79	86	86	86	89	87	85	82	76	76
Surface Wind (mph)	6	6	6	6	6	6	6	6	6	6	6	6	6	7	7	7	8	7	7	7	6	5	3	2
Wind Dir	S	SW	S	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	W	W	W	W	SW	SW	W
Gust
Sky Cover (%)	86	71	71	62	57	58	46	65	65	79	74	83	70	67	58	69	70	70	78	84	79	67	81	64
Precipitation Potential (%)	78	57	40	22	17	12	21	29	20	32	16	13	15	16	24	29	47	55	67	75	63	41	9	9
Relative Humidity (%)	90	93	95	93	95	97	95	96	97	98	99	99	92	88	81	81	79	74	76	76	77	83	85	87
Rain	Ocnl	Lkly	Chc	SChc	SChc	--	SChc	Chc	SChc	Chc	SChc	--	SChc	SChc	SChc	Chc	Chc	Lkly	Lkly	Ocnl	Lkly	Chc	--	--
Mixing Height (x100ft)	6	6	7	7	7	7	7	7	7	9	14	17	22	24	31	32	33	31	26	20	20	12	7	6
Date			07/02
Hour (EDT)	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21
Temperature (°F)	72	71	70	68	67	67	66	66	67	68	68	72	75	78	80	81	83	83	83	84	81	79	77	75
Dewpoint (°F)	69	68	68	67	67	66	66	66	66	67	68	68	69	70	69	68	68	68	68	68	67	67	67	66
Heat Index (°F)													75	78	83	84	86	86	86	87	84	82	77	75
Surface Wind (mph)	2	2	2	2	2	1	1	1	1	1	2	2	2	2	3	5	6	6	6	6	5	3	2	2
Wind Dir	W	SW	SW	SW	SW	SW	W	W	W	W	W	W	W	W	W	W	W	W	NW	NW	NW	NW	NW	NW
Gust
Sky Cover (%)	54	43	40	38	35	38	42	45	42	39	36	34	32	30	28	25	23	22	21	20	26	33	39	32
Precipitation Potential (%)	9	9	9	9	1	1	1	1	1	1	1	1	1	1	1	1	8	8	8	8	8	8	4	4
Relative Humidity (%)	90	92	95	96	99	99	99	100	99	98	97	89	82	76	70	65	60	60	59	59	63	67	71	74
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Mixing Height (x100ft)	6	6	6	6	6	6	6	6	7	9	10	16	21	27	36	46	55	50	45	41	29	18	7	6

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Day 1 Convective Outlook Day 2 Convective Outlook Excessive Rainfall Day 1 Excessive Rainfall Day 2 River and Precip Data Fire Weather Additional Weather Resources Climate Data Local Climate Page Graphical Hazardous Weather Outlook