Point Forecast: Pittsburgh PA  40.43N 79.98W (Elev. 814 ft)	Last Update: 5:34 am EDT Sep 12, 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: 6am Fri, Sep 12 20257am Fri, Sep 12 20258am Fri, Sep 12 20259am Fri, Sep 12 202510am Fri, Sep 12 202511am Fri, Sep 12 202512pm Fri, Sep 12 20251pm Fri, Sep 12 20252pm Fri, Sep 12 20253pm Fri, Sep 12 20254pm Fri, Sep 12 20255pm Fri, Sep 12 20256pm Fri, Sep 12 20257pm Fri, Sep 12 20258pm Fri, Sep 12 20259pm Fri, Sep 12 202510pm Fri, Sep 12 202511pm Fri, Sep 12 202512am Sat, Sep 13 20251am Sat, Sep 13 20252am Sat, Sep 13 20253am Sat, Sep 13 20254am Sat, Sep 13 20255am Sat, Sep 13 20256am Sat, Sep 13 20257am Sat, Sep 13 20258am Sat, Sep 13 20259am Sat, Sep 13 202510am Sat, Sep 13 202511am Sat, Sep 13 202512pm Sat, Sep 13 20251pm Sat, Sep 13 20252pm Sat, Sep 13 20253pm Sat, Sep 13 20254pm Sat, Sep 13 20255pm Sat, Sep 13 20256pm Sat, Sep 13 20257pm Sat, Sep 13 20258pm Sat, Sep 13 20259pm Sat, Sep 13 202510pm Sat, Sep 13 202511pm Sat, Sep 13 202512am Sun, Sep 14 20251am Sun, Sep 14 20252am Sun, Sep 14 20253am Sun, Sep 14 20254am Sun, Sep 14 20255am Sun, Sep 14 20256am Sun, Sep 14 20257am Sun, Sep 14 20258am Sun, Sep 14 20259am Sun, Sep 14 202510am Sun, Sep 14 202511am Sun, Sep 14 202512pm Sun, Sep 14 20251pm Sun, Sep 14 20252pm Sun, Sep 14 20253pm Sun, Sep 14 20254pm Sun, Sep 14 20255pm Sun, Sep 14 20256pm Sun, Sep 14 20257pm Sun, Sep 14 20258pm Sun, Sep 14 20259pm Sun, Sep 14 202510pm Sun, Sep 14 202511pm Sun, Sep 14 202512am Mon, Sep 15 20251am Mon, Sep 15 20252am Mon, Sep 15 20253am Mon, Sep 15 20254am Mon, Sep 15 20255am Mon, Sep 15 20256am Mon, Sep 15 20257am Mon, Sep 15 20258am Mon, Sep 15 20259am Mon, Sep 15 202510am Mon, Sep 15 202511am Mon, Sep 15 202512pm Mon, Sep 15 20251pm Mon, Sep 15 20252pm Mon, Sep 15 20253pm Mon, Sep 15 20254pm Mon, Sep 15 20255pm Mon, Sep 15 20256pm Mon, Sep 15 20257pm Mon, Sep 15 20258pm Mon, Sep 15 20259pm Mon, Sep 15 202510pm Mon, Sep 15 202511pm Mon, Sep 15 202512am Tue, Sep 16 20251am Tue, Sep 16 20252am Tue, Sep 16 20253am Tue, Sep 16 20254am Tue, Sep 16 20255am Tue, Sep 16 20256am Tue, Sep 16 20257am Tue, Sep 16 20258am Tue, Sep 16 20259am Tue, Sep 16 202510am Tue, Sep 16 202511am Tue, Sep 16 202512pm Tue, Sep 16 20251pm Tue, Sep 16 20252pm Tue, Sep 16 20253pm Tue, Sep 16 20254pm Tue, Sep 16 20255pm Tue, Sep 16 2025

Date	09/12																		09/13
Hour (EDT)	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05
Temperature (°F)	58	59	59	59	68	73	77	80	82	83	84	83	82	79	73	70	68	65	63	62	60	59	57	57
Dewpoint (°F)	53	54	54	55	53	54	53	52	51	50	50	50	51	53	55	55	56	55	55	54	54	55	54	53
Heat Index (°F)							77	80	81	82	82	82	81	80
Surface Wind (mph)	1	1	1	1	1	1	1	1	2	2	2	2	2	2	2	2	1	1	1	1	1	1	1	1
Wind Dir	N	NE	E	E	E	SE	E	E	NE	NE	NE	NE	NE	E	E	SE	SE	SE	SE	SE	SE	SE	SE	SE
Gust
Sky Cover (%)	4	5	1	2	4	2	4	5	5	5	9	4	14	6	7	2	2	7	4	6	9	3	3	10
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	83	84	85	86	60	50	42	37	35	32	31	32	35	40	53	59	66	69	75	77	81	85	88	89
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																			09/14
Hour (EDT)	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05
Temperature (°F)	55	55	56	61	67	74	77	80	82	83	83	84	81	78	75	73	70	68	66	64	63	62	61	60
Dewpoint (°F)	53	53	55	57	55	55	54	54	53	52	52	54	54	55	56	56	56	56	56	56	56	56	55	55
Heat Index (°F)							77	80	82	82	82	82	81	78	75
Surface Wind (mph)	1	1	2	2	2	2	3	5	5	5	5	5	5	5	3	3	2	2	1	1	2	2	2	2
Wind Dir	SE	S	S	S	SW	SW	SW	W	W	W	W	W	W	W	W	W	N	N	NW	W	SW	SW	S	S
Gust
Sky Cover (%)	12	13	10	12	17	22	26	30	34	36	39	41	46	50	55	48	42	35	31	26	22	21	20	19
Precipitation Potential (%)	1	1	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	4	4	4	4
Relative Humidity (%)	93	91	94	86	64	52	46	41	36	35	34	36	40	45	51	56	61	68	71	75	79	80	82	83
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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