Point Forecast: Chambersburg PA  39.93N 77.66W (Elev. 617 ft)	Last Update: 10:21 am EDT Mar 25, 2026

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Weather Elements Fire Weather Aviation Weather Temperature (°F) Dewpoint (°F) Wind Chill (°F) 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-ft) Davis Stability Index Atmospheric Dispersion Index Low Visibility Occurrence Risk Index Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 11am Wed, Mar 25 202612pm Wed, Mar 25 20261pm Wed, Mar 25 20262pm Wed, Mar 25 20263pm Wed, Mar 25 20264pm Wed, Mar 25 20265pm Wed, Mar 25 20266pm Wed, Mar 25 20267pm Wed, Mar 25 20268pm Wed, Mar 25 20269pm Wed, Mar 25 202610pm Wed, Mar 25 202611pm Wed, Mar 25 202612am Thu, Mar 26 20261am Thu, Mar 26 20262am Thu, Mar 26 20263am Thu, Mar 26 20264am Thu, Mar 26 20265am Thu, Mar 26 20266am Thu, Mar 26 20267am Thu, Mar 26 20268am Thu, Mar 26 20269am Thu, Mar 26 202610am Thu, Mar 26 202611am Thu, Mar 26 202612pm Thu, Mar 26 20261pm Thu, Mar 26 20262pm Thu, Mar 26 20263pm Thu, Mar 26 20264pm Thu, Mar 26 20265pm Thu, Mar 26 20266pm Thu, Mar 26 20267pm Thu, Mar 26 20268pm Thu, Mar 26 20269pm Thu, Mar 26 202610pm Thu, Mar 26 202611pm Thu, Mar 26 202612am Fri, Mar 27 20261am Fri, Mar 27 20262am Fri, Mar 27 20263am Fri, Mar 27 20264am Fri, Mar 27 20265am Fri, Mar 27 20266am Fri, Mar 27 20267am Fri, Mar 27 20268am Fri, Mar 27 20269am Fri, Mar 27 202610am Fri, Mar 27 202611am Fri, Mar 27 202612pm Fri, Mar 27 20261pm Fri, Mar 27 20262pm Fri, Mar 27 20263pm Fri, Mar 27 20264pm Fri, Mar 27 20265pm Fri, Mar 27 20266pm Fri, Mar 27 20267pm Fri, Mar 27 20268pm Fri, Mar 27 20269pm Fri, Mar 27 202610pm Fri, Mar 27 202611pm Fri, Mar 27 202612am Sat, Mar 28 20261am Sat, Mar 28 20262am Sat, Mar 28 20263am Sat, Mar 28 20264am Sat, Mar 28 20265am Sat, Mar 28 20266am Sat, Mar 28 20267am Sat, Mar 28 20268am Sat, Mar 28 20269am Sat, Mar 28 202610am Sat, Mar 28 202611am Sat, Mar 28 202612pm Sat, Mar 28 20261pm Sat, Mar 28 20262pm Sat, Mar 28 20263pm Sat, Mar 28 20264pm Sat, Mar 28 20265pm Sat, Mar 28 20266pm Sat, Mar 28 20267pm Sat, Mar 28 20268pm Sat, Mar 28 20269pm Sat, Mar 28 202610pm Sat, Mar 28 202611pm Sat, Mar 28 202612am Sun, Mar 29 20261am Sun, Mar 29 20262am Sun, Mar 29 20263am Sun, Mar 29 20264am Sun, Mar 29 20265am Sun, Mar 29 20266am Sun, Mar 29 20267am Sun, Mar 29 20268am Sun, Mar 29 20269am Sun, Mar 29 202610am Sun, Mar 29 202611am Sun, Mar 29 202612pm Sun, Mar 29 20261pm Sun, Mar 29 20262pm Sun, Mar 29 20263pm Sun, Mar 29 20264pm Sun, Mar 29 20265pm Sun, Mar 29 20266pm Sun, Mar 29 20267pm Sun, Mar 29 20268pm Sun, Mar 29 20269pm Sun, Mar 29 202610pm Sun, Mar 29 2026

Date	03/25													03/26
Hour (EDT)	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 (°F)	45	48	52	55	56	57	57	56	55	53	50	49	47	47	47	46	47	47	47	47	48	49	52	56
Dewpoint (°F)	31	31	32	32	33	33	33	33	33	33	33	32	32	32	32	33	33	34	34	35	36	37	39	42
Wind Chill (°F)	45	46									48	47	44	44	44	43	44	44	44	44	45	47
Surface Wind (mph)	2	5	6	7	7	8	7	7	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
Wind Dir	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S
Gust
Sky Cover (%)	71	68	65	62	63	63	64	64	65	65	64	63	62	62	61	60	64	68	72	76	80	84	82	81
Precipitation Potential (%)	9	6	4	4	4	4	4	3	3	4	4	5	5	5	5	5	5	5	5	6	7	11	11	11
Relative Humidity (%)	58	51	46	41	42	40	40	42	43	46	52	52	56	56	56	60	58	60	60	63	63	63	61	59
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date														03/27
Hour (EDT)	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 (°F)	60	64	66	69	70	71	71	70	69	68	66	64	63	63	62	62	61	59	57	55	52	50	50	50
Dewpoint (°F)	45	47	49	51	52	53	54	54	54	54	54	55	55	56	57	57	57	56	54	52	50	47	45	42
Wind Chill (°F)																						47	47	47
Surface Wind (mph)	7	8	9	9	9	9	8	7	7	6	6	6	6	6	6	6	6	7	7	7	8	8	8	8
Wind Dir	S	S	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	W	W	NW	NW	N	N	N
Gust				21	22	23	23	22	22	21	20	20	20	20	20					20	21	22	23	22
Sky Cover (%)	79	78	76	75	68	62	55	60	66	71	73	75	77	83	89	95	95	95	95	95	95	73	75	77
Precipitation Potential (%)	11	11	11	21	21	21	21	21	21	56	56	56	56	56	56	92	92	92	92	92	92	49	49	49
Relative Humidity (%)	58	54	54	53	53	53	55	57	59	61	65	73	75	78	84	84	87	90	90	90	93	89	83	74
Rain	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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