Point Forecast: Harrisburg PA  40.25N 76.87W (Elev. 325 ft)	Last Update: 1:09 pm EDT Aug 10, 2025

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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) Davis Stability Index Atmospheric Dispersion Index Low Visibility Occurrence Risk Index Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 4pm Sun, Aug 10 20255pm Sun, Aug 10 20256pm Sun, Aug 10 20257pm Sun, Aug 10 20258pm Sun, Aug 10 20259pm Sun, Aug 10 202510pm Sun, Aug 10 202511pm Sun, Aug 10 202512am Mon, Aug 11 20251am Mon, Aug 11 20252am Mon, Aug 11 20253am Mon, Aug 11 20254am Mon, Aug 11 20255am Mon, Aug 11 20256am Mon, Aug 11 20257am Mon, Aug 11 20258am Mon, Aug 11 20259am Mon, Aug 11 202510am Mon, Aug 11 202511am Mon, Aug 11 202512pm Mon, Aug 11 20251pm Mon, Aug 11 20252pm Mon, Aug 11 20253pm Mon, Aug 11 20254pm Mon, Aug 11 20255pm Mon, Aug 11 20256pm Mon, Aug 11 20257pm Mon, Aug 11 20258pm Mon, Aug 11 20259pm Mon, Aug 11 202510pm Mon, Aug 11 202511pm Mon, Aug 11 202512am Tue, Aug 12 20251am Tue, Aug 12 20252am Tue, Aug 12 20253am Tue, Aug 12 20254am Tue, Aug 12 20255am Tue, Aug 12 20256am Tue, Aug 12 20257am Tue, Aug 12 20258am Tue, Aug 12 20259am Tue, Aug 12 202510am Tue, Aug 12 202511am Tue, Aug 12 202512pm Tue, Aug 12 20251pm Tue, Aug 12 20252pm Tue, Aug 12 20253pm Tue, Aug 12 20254pm Tue, Aug 12 20255pm Tue, Aug 12 20256pm Tue, Aug 12 20257pm Tue, Aug 12 20258pm Tue, Aug 12 20259pm Tue, Aug 12 202510pm Tue, Aug 12 202511pm Tue, Aug 12 202512am Wed, Aug 13 20251am Wed, Aug 13 20252am Wed, Aug 13 20253am Wed, Aug 13 20254am Wed, Aug 13 20255am Wed, Aug 13 20256am Wed, Aug 13 20257am Wed, Aug 13 20258am Wed, Aug 13 20259am Wed, Aug 13 202510am Wed, Aug 13 202511am Wed, Aug 13 202512pm Wed, Aug 13 20251pm Wed, Aug 13 20252pm Wed, Aug 13 20253pm Wed, Aug 13 20254pm Wed, Aug 13 20255pm Wed, Aug 13 20256pm Wed, Aug 13 20257pm Wed, Aug 13 20258pm Wed, Aug 13 20259pm Wed, Aug 13 202510pm Wed, Aug 13 202511pm Wed, Aug 13 202512am Thu, Aug 14 20251am Thu, Aug 14 20252am Thu, Aug 14 20253am Thu, Aug 14 20254am Thu, Aug 14 20255am Thu, Aug 14 20256am Thu, Aug 14 20257am Thu, Aug 14 20258am Thu, Aug 14 20259am Thu, Aug 14 202510am Thu, Aug 14 202511am Thu, Aug 14 202512pm Thu, Aug 14 20251pm Thu, Aug 14 20252pm Thu, Aug 14 20253pm Thu, Aug 14 20254pm Thu, Aug 14 20255pm Thu, Aug 14 20256pm Thu, Aug 14 20257pm Thu, Aug 14 20258pm Thu, Aug 14 20259pm Thu, Aug 14 202510pm Thu, Aug 14 202511pm Thu, Aug 14 202512am Fri, Aug 15 20251am Fri, Aug 15 20252am Fri, Aug 15 20253am Fri, Aug 15 2025

Date	08/10								08/11
Hour (EDT)	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15
Temperature (°F)	86	86	85	83	79	76	73	70	69	67	65	65	63	62	61	62	65	71	75	79	83	85	87	88
Dewpoint (°F)	56	57	58	59	60	60	59	59	58	58	58	57	57	57	57	58	60	61	63	65	64	63	62	62
Heat Index (°F)	85	85	84	83	79	76													75	79	84	86	87	88
Surface Wind (mph)	5	5	5	5	3	2	2	2	1	1	1	1	0	0	0	0	0	0	2	2	2	3	5	6
Wind Dir	SE	SE	SE	SE	SE	SE	SE	SE	SE	E	E	E	N	N	N	N	N	SE	S	S	S	S	S	S
Gust
Sky Cover (%)	4	1	2	1	1	0	4	3	4	3	0	1	7	4	4	7	12	6	8	6	3	2	3	6
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 (%)	36	37	40	44	52	58	62	68	68	73	78	75	81	84	87	87	84	71	66	62	53	48	43	42
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date									08/12
Hour (EDT)	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15
Temperature (°F)	88	87	87	84	81	78	75	73	72	71	70	69	67	67	67	69	71	74	78	82	85	87	89	90
Dewpoint (°F)	62	62	62	63	64	64	64	63	63	63	63	63	63	64	65	66	67	68	69	70	70	70	69	69
Heat Index (°F)	88	87	87	85	83	78	75												78	86	90	92	94	95
Surface Wind (mph)	6	6	6	6	5	3	2	2	2	1	1	1	1	1	1	1	1	1	2	2	3	3	5	5
Wind Dir	S	S	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	S	S	S	S	S	S
Gust
Sky Cover (%)	7	6	9	9	9	5	6	6	5	5	4	7	9	12	17	22	27	24	21	18	16	15	13	13
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	1	1	1	1	11	11
Relative Humidity (%)	42	43	43	49	56	62	67	71	74	76	78	83	87	90	92	91	87	81	74	67	61	56	52	49
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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