Point Forecast: Chambersburg PA  39.93N 77.66W (Elev. 188 m)	Last Update: 7:13 am EST Jan 16, 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 Haines Index Lightning Activity Level 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: 11am Thu, Jan 16 202512pm Thu, Jan 16 20251pm Thu, Jan 16 20252pm Thu, Jan 16 20253pm Thu, Jan 16 20254pm Thu, Jan 16 20255pm Thu, Jan 16 20256pm Thu, Jan 16 20257pm Thu, Jan 16 20258pm Thu, Jan 16 20259pm Thu, Jan 16 202510pm Thu, Jan 16 202511pm Thu, Jan 16 202512am Fri, Jan 17 20251am Fri, Jan 17 20252am Fri, Jan 17 20253am Fri, Jan 17 20254am Fri, Jan 17 20255am Fri, Jan 17 20256am Fri, Jan 17 20257am Fri, Jan 17 20258am Fri, Jan 17 20259am Fri, Jan 17 202510am Fri, Jan 17 202511am Fri, Jan 17 202512pm Fri, Jan 17 20251pm Fri, Jan 17 20252pm Fri, Jan 17 20253pm Fri, Jan 17 20254pm Fri, Jan 17 20255pm Fri, Jan 17 20256pm Fri, Jan 17 20257pm Fri, Jan 17 20258pm Fri, Jan 17 20259pm Fri, Jan 17 202510pm Fri, Jan 17 202511pm Fri, Jan 17 202512am Sat, Jan 18 20251am Sat, Jan 18 20252am Sat, Jan 18 20253am Sat, Jan 18 20254am Sat, Jan 18 20255am Sat, Jan 18 20256am Sat, Jan 18 20257am Sat, Jan 18 20258am Sat, Jan 18 20259am Sat, Jan 18 202510am Sat, Jan 18 202511am Sat, Jan 18 202512pm Sat, Jan 18 20251pm Sat, Jan 18 20252pm Sat, Jan 18 20253pm Sat, Jan 18 20254pm Sat, Jan 18 20255pm Sat, Jan 18 20256pm Sat, Jan 18 20257pm Sat, Jan 18 20258pm Sat, Jan 18 20259pm Sat, Jan 18 202510pm Sat, Jan 18 202511pm Sat, Jan 18 202512am Sun, Jan 19 20251am Sun, Jan 19 20252am Sun, Jan 19 20253am Sun, Jan 19 20254am Sun, Jan 19 20255am Sun, Jan 19 20256am Sun, Jan 19 20257am Sun, Jan 19 20258am Sun, Jan 19 20259am Sun, Jan 19 202510am Sun, Jan 19 202511am Sun, Jan 19 202512pm Sun, Jan 19 20251pm Sun, Jan 19 20252pm Sun, Jan 19 20253pm Sun, Jan 19 20254pm Sun, Jan 19 20255pm Sun, Jan 19 20256pm Sun, Jan 19 20257pm Sun, Jan 19 20258pm Sun, Jan 19 20259pm Sun, Jan 19 202510pm Sun, Jan 19 202511pm Sun, Jan 19 202512am Mon, Jan 20 20251am Mon, Jan 20 20252am Mon, Jan 20 20253am Mon, Jan 20 20254am Mon, Jan 20 20255am Mon, Jan 20 20256am Mon, Jan 20 20257am Mon, Jan 20 20258am Mon, Jan 20 20259am Mon, Jan 20 202510am Mon, Jan 20 202511am Mon, Jan 20 202512pm Mon, Jan 20 20251pm Mon, Jan 20 20252pm Mon, Jan 20 20253pm Mon, Jan 20 20254pm Mon, Jan 20 20255pm Mon, Jan 20 20256pm Mon, Jan 20 20257pm Mon, Jan 20 20258pm Mon, Jan 20 20259pm Mon, Jan 20 202510pm Mon, Jan 20 2025

Date	01/16													01/17
Hour (EST)	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10
Temperature (°C)	-5	-4	-3	-2	-2	-2	-2	-2	-3	-3	-3	-3	-3	-3	-4	-4	-4	-4	-4	-5	-5	-3	-2	0
Dewpoint (°C)	-11	-10	-9	-8	-7	-7	-6	-6	-6	-6	-6	-6	-6	-6	-7	-7	-7	-7	-7	-7	-7	-7	-6	-5
Wind Chill (°C)	-10	-9	-7	-7	-6	-6	-6	-5	-5	-6	-6	-7	-7	-7	-8	-8	-8	-8	-8	-9	-9	-7	-6	-3
Surface Wind (mph)	8	8	8	8	8	7	6	5	3	5	5	6	6	6	6	6	6	6	6	6	6	6	7	7
Wind Dir	S	S	S	S	S	S	S	SW	SW	SW	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Gust
Sky Cover (%)	99	99	100	100	99	99	92	86	80	79	78	77	57	38	18	17	16	14	13	11	10	11	12	13
Precipitation Potential (%)	35	35	44	44	44	48	48	48	12	12	12	3	3	3	1	1	1	0	0	0	2	2	2	0
Relative Humidity (%)	65	62	63	63	66	69	75	78	81	81	81	81	81	81	81	81	81	81	81	84	84	78	75	69
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date														01/18
Hour (EST)	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10
Temperature (°C)	1	2	2	3	3	2	1	-1	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-2	-1	0	1
Dewpoint (°C)	-5	-6	-6	-6	-5	-5	-5	-6	-6	-6	-6	-6	-6	-6	-6	-6	-5	-5	-4	-4	-4	-3	-2	-1
Wind Chill (°C)	-3	-2	-1	0	0	-1	-2	-2	-4	-2	-4	-5	-5	-5	-5	-5	-5	-5	-5	-5	-5	-4	-3	-2
Surface Wind (mph)	8	8	7	7	6	5	5	3	3	2	3	5	5	5	5	5	6	6	6	6	6	6	7	7
Wind Dir	W	W	W	W	SW	SW	SW	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S
Gust
Sky Cover (%)	14	15	16	15	14	12	11	10	8	18	27	36	45	55	64	71	79	87	87	86	86	88	90	92
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	39	39	39	39
Relative Humidity (%)	66	59	56	54	56	61	66	69	75	75	75	78	78	78	78	78	78	78	81	81	85	85	85	85
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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