Point Forecast: Harrisburg International Airport PA  40.2N 76.77W (Elev. 91 m)	Last Update: 9:56 am EST Dec 11, 2025

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Weather Elements Fire Weather Aviation Weather Temperature (°C) Dewpoint (°C) Wind Chill (°C) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Mixing Height  x100ftx100m Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-m) Davis Stability Index Atmospheric Dispersion Index Low Visibility Occurrence Risk Index Ceiling Height Visibility Thunder Potential

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

Date	12/11														12/12
Hour (EST)	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09
Temperature (°C)	-1	0	0	1	1	0	0	0	-1	-2	-2	-3	-3	-2	-2	-3	-3	-3	-3	-4	-3	-4	-3	-2
Dewpoint (°C)	-11	-11	-11	-11	-11	-11	-12	-11	-11	-10	-10	-10	-10	-10	-9	-9	-9	-9	-9	-9	-9	-9	-9	-9
Wind Chill (°C)	-7	-7	-7	-6	-6	-7	-6	-6	-7	-8	-8	-9	-9	-8	-8	-8	-8	-8	-8	-9	-8	-9	-8	-7
Surface Wind (mph)	16	18	18	18	18	18	17	17	16	14	14	14	13	11	11	10	10	10	9	9	8	8	8	8
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Gust		33	36	36	36	34	33	32
Sky Cover (%)	62	65	68	71	68	66	63	50	37	24	26	29	31	33	36	38	43	47	52	57	61	66	67	68
Precipitation Potential (%)	9	10	10	11	10	10	9	6	3	0	1	1	1	1	2	2	2	3	3	3	4	4	4	4
Relative Humidity (%)	47	45	45	41	41	43	41	43	47	55	55	57	57	55	58	60	60	60	63	65	63	71	65	60
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date															12/13
Hour (EST)	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09
Temperature (°C)	-1	0	1	1	2	2	1	1	-1	-2	-2	-2	-3	-3	-4	-4	-4	-4	-4	-4	-4	-3	-2	-1
Dewpoint (°C)	-9	-9	-9	-9	-9	-9	-9	-8	-8	-8	-8	-8	-8	-8	-7	-7	-7	-7	-7	-7	-7	-6	-6	-6
Wind Chill (°C)	-6	-4	-3	-2	-1	-1	-1	-1	-1	-2	-2	-2	-3	-3	-4	-4	-4	-4	-4	-4	-4	-6	-5	-4
Surface Wind (mph)	8	8	7	7	6	6	5	3	2	1	1	1	1	1	2	2	2	2	2	2	2	3	5	7
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW
Gust
Sky Cover (%)	68	67	67	66	59	52	45	47	49	51	51	52	52	55	58	61	66	71	76	77	79	80	80	79
Precipitation Potential (%)	4	4	4	6	6	6	6	6	6	26	26	26	26	26	26	19	19	19	19	19	19	2	2	2
Relative Humidity (%)	55	51	47	45	43	43	47	51	56	63	66	66	68	71	78	78	78	78	78	81	81	81	78	69
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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