Point Forecast: Harrisburg International Airport PA  40.2N 76.77W (Elev. 299 ft)	Last Update: 2:26 pm EST Jan 21, 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: 4pm Wed, Jan 21 20265pm Wed, Jan 21 20266pm Wed, Jan 21 20267pm Wed, Jan 21 20268pm Wed, Jan 21 20269pm Wed, Jan 21 202610pm Wed, Jan 21 202611pm Wed, Jan 21 202612am Thu, Jan 22 20261am Thu, Jan 22 20262am Thu, Jan 22 20263am Thu, Jan 22 20264am Thu, Jan 22 20265am Thu, Jan 22 20266am Thu, Jan 22 20267am Thu, Jan 22 20268am Thu, Jan 22 20269am Thu, Jan 22 202610am Thu, Jan 22 202611am Thu, Jan 22 202612pm Thu, Jan 22 20261pm Thu, Jan 22 20262pm Thu, Jan 22 20263pm Thu, Jan 22 20264pm Thu, Jan 22 20265pm Thu, Jan 22 20266pm Thu, Jan 22 20267pm Thu, Jan 22 20268pm Thu, Jan 22 20269pm Thu, Jan 22 202610pm Thu, Jan 22 202611pm Thu, Jan 22 202612am Fri, Jan 23 20261am Fri, Jan 23 20262am Fri, Jan 23 20263am Fri, Jan 23 20264am Fri, Jan 23 20265am Fri, Jan 23 20266am Fri, Jan 23 20267am Fri, Jan 23 20268am Fri, Jan 23 20269am Fri, Jan 23 202610am Fri, Jan 23 202611am Fri, Jan 23 202612pm Fri, Jan 23 20261pm Fri, Jan 23 20262pm Fri, Jan 23 20263pm Fri, Jan 23 20264pm Fri, Jan 23 20265pm Fri, Jan 23 20266pm Fri, Jan 23 20267pm Fri, Jan 23 20268pm Fri, Jan 23 20269pm Fri, Jan 23 202610pm Fri, Jan 23 202611pm Fri, Jan 23 202612am Sat, Jan 24 20261am Sat, Jan 24 20262am Sat, Jan 24 20263am Sat, Jan 24 20264am Sat, Jan 24 20265am Sat, Jan 24 20266am Sat, Jan 24 20267am Sat, Jan 24 20268am Sat, Jan 24 20269am Sat, Jan 24 202610am Sat, Jan 24 202611am Sat, Jan 24 202612pm Sat, Jan 24 20261pm Sat, Jan 24 20262pm Sat, Jan 24 20263pm Sat, Jan 24 20264pm Sat, Jan 24 20265pm Sat, Jan 24 20266pm Sat, Jan 24 20267pm Sat, Jan 24 20268pm Sat, Jan 24 20269pm Sat, Jan 24 202610pm Sat, Jan 24 202611pm Sat, Jan 24 202612am Sun, Jan 25 20261am Sun, Jan 25 20262am Sun, Jan 25 20263am Sun, Jan 25 20264am Sun, Jan 25 20265am Sun, Jan 25 20266am Sun, Jan 25 20267am Sun, Jan 25 20268am Sun, Jan 25 20269am Sun, Jan 25 202610am Sun, Jan 25 202611am Sun, Jan 25 202612pm Sun, Jan 25 20261pm Sun, Jan 25 20262pm Sun, Jan 25 20263pm Sun, Jan 25 20264pm Sun, Jan 25 20265pm Sun, Jan 25 20266pm Sun, Jan 25 20267pm Sun, Jan 25 20268pm Sun, Jan 25 20269pm Sun, Jan 25 202610pm Sun, Jan 25 202611pm Sun, Jan 25 202612am Mon, Jan 26 20261am Mon, Jan 26 20262am Mon, Jan 26 20263am Mon, Jan 26 2026

Date	01/21								01/22
Hour (EST)	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)	34	34	34	33	34	33	33	32	32	32	31	32	32	32	33	32	33	37	40	40	42	41	41	40
Dewpoint (°F)	12	13	14	15	15	17	17	19	20	20	21	22	24	24	25	25	25	26	27	24	22	21	20	18
Wind Chill (°F)	25	25	25	24	25	24	24	23	23	23	22	24	24	24	25	24	25	29	33	32	34	33	33	32
Surface Wind (mph)	14	14	13	13	13	13	13	13	11	11	11	10	10	10	10	10	10	11	13	14	15	16	16	15
Wind Dir	S	S	S	S	S	S	S	S	S	S	S	S	S	SW	SW	SW	SW	SW	W	W	W	W	W	W
Gust	23	22	21	21	20	20	20	20	20	20									22	25	26	26	26	25
Sky Cover (%)	99	100	99	91	83	76	68	60	52	54	44	53	50	50	56	52	44	38	40	45	44	40	26	21
Precipitation Potential (%)	17	19	19	15	11	6	2	0	0	0	0	4	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	39	41	43	47	45	51	51	58	61	61	66	66	72	72	72	75	72	64	59	52	44	44	42	41
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date									01/23
Hour (EST)	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)	39	37	34	32	31	30	29	28	28	27	26	25	24	23	23	23	25	28	30	32	33	33	33	32
Dewpoint (°F)	18	17	17	16	15	15	15	15	14	14	14	13	13	12	12	11	11	11	11	11	11	10	9	8
Wind Chill (°F)	31	29	26	25	24	24	23	22	22	20	19	18	17	16	16	16	17	20	21	23	23	22	22	21
Surface Wind (mph)	14	11	10	8	7	6	6	6	6	6	6	6	6	6	6	6	7	8	10	13	15	16	17	17
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	22																		20	22	25	26	28	28
Sky Cover (%)	25	17	22	34	43	37	31	32	32	33	35	38	40	46	51	57	56	55	54	57	60	63	61	60
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	2	2	2	2	2	2	2	2	2
Relative Humidity (%)	42	44	49	51	51	53	55	58	55	57	60	60	62	62	62	59	55	48	44	41	39	38	36	36
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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