The Pennsylvania State Climatologist is a service to the Commonwealth by the College of Earth and Mineral Sciences and Penn State.

Harrisburg

Climatic Data - Provides the norm's and "records", including Temperatures, heating & cooling degree days, percent of possible sunshine, sky cover, precipitation, relative humidity, and sunrise/set times.

Hourly Observations - Provides hourly weather observations for the period of record.

Daily Weather Archives - Provides the daily maximum temperature, minimum temperature, average temperature, Heating & Cooling Degree Days, Growing Degree Days, Average Dewpoint, Average Relative Humidity, Average Wind Speed, Average Wind Direction, Average Pressure, and the Total Precipitation.

Means & Extremes - Contains the Daily Mean Temperatures and the Daily Extremes (record max, min, precipitation, and snowfall) including the year in which they occurred.

2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 1975 1974 1973 1972 1967 1966 1965 1964 1963 1962 1961 1960 1959 1958 1957 1956 1955 1954 1953 1952 1951 1950 1949 1948

Date	High Temp.	Low Temp.	Avg Temp.	Temp Departure	HDD	CDD	GDD	Avg Dewpoint	Avg RH	Avg Wind Speed	Avg Wind Dir	Avg Press	Total Precip	# obs
2024-05-06	72	55	62	1	3	0	7	59	91	3	127	1015.0		24
2024-05-05	58	50	53	-7	12	0	0	52	96	6	82	1021.0	0.44	24
2024-05-04	55	50	53	-7	12	0	0	48	85	10	110	1023.6	0.28	24
2024-05-03	75	55	66	6	0	1	11	49	56	10	106	1018.6	Trace	24
2024-05-02	90	57	73	14	0	8	18	51	51	5	130	1013.6		24
2024-05-01	82	59	71	12	0	6	16	55	62	6	224	1012.8		24
Date	High Temp.	Low Temp.	Avg Temp.	Temp Departure	HDD	CDD	GDD	Avg Dewpoint	Avg RH	Avg Wind Speed	Avg Wind Dir	Avg Press	Total Precip	# obs
2024-04-30	88	59	73	14	0	8	18	59	66	6	162	1010.6	0.03	24
2024-04-29	88	57	73	15	0	8	18	58	64	4	159	1014.9		24
2024-04-28	82	51	63	5	2	0	8	53	72	3	100	1020.7		24
2024-04-27	54	48	52	-6	13	0	0	39	61	8	137	1029.7	0.03	24
2024-04-26	64	39	53	-4	12	0	0	35	56	8	123	1029.3		24
2024-04-25	61	41	50	-7	15	0	0	34	56	4	177	1024.8		24
2024-04-24	66	52	58	1	7	0	3	46	65	8	202	1013.3	0.04	24
2024-04-23	70	37	55	-1	10	0	0	35	53	6	118	1016.9		24
2024-04-22	63	37	51	-5	14	0	0	29	45	8	261	1018.4		24
2024-04-21	52	39	46	-9	19	0	0	26	45	7	274	1017.1		24
2024-04-20	68	48	58	3	7	0	3	39	57	10	234	1014.7	0.02	24
2024-04-19	54	46	51	-4	14	0	0	46	82	8	139	1018.4	0.01	24
2024-04-18	63	51	56	2	9	0	1	50	82	6	83	1016.3	0.07	24
2024-04-17	68	43	60	6	5	0	5	49	67	7	99	1016.4	Trace	24
2024-04-16	75	45	61	8	4	0	6	40	49	3	105	1019.9		24
2024-04-15	81	55	67	14	0	2	12	51	60	7	231	1010.1	0.03	24
2024-04-14	81	39	61	8	4	0	6	41	51	10	178	1010.0	0.19	24
2024-04-13	61	48	54	2	11	0	0	35	51	21	290	1007.5	0.02	24
2024-04-12	66	52	60	8	5	0	5	49	69	16	226	995.5	0.38	24
2024-04-11	72	59	64	13	1	0	9	57	79	12	128	1007.0	0.36	24
2024-04-10	72	53	62	11	3	0	7	51	69	1	38	1014.4	Trace	24
2024-04-09	79	39	59	8	6	0	4	42	57	4	138	1016.4		24
2024-04-08	67	36	51	1	14	0	0	36	58	4	95	1020.3		24
2024-04-07	63	41	52	2	13	0	0	30	46	8	256	1018.3		24
2024-04-06	57	39	48	-1	17	0	0	30	51	13	313	1012.7	Trace	24
2024-04-05	46	41	44	-5	21	0	0	32	63	14	301	1006.5	Trace	24
2024-04-04	54	37	44	-5	21	0	0	38	79	7	250	996.9	0.01	24
2024-04-03	47	43	45	-3	20	0	0	42	91	12	126	999.2	1.37	24
2024-04-02	50	46	48	0	17	0	0	46	92	10	106	1010.0	1.17	24
2024-04-01	54	45	50	3	15	0	0	45	86	4	71	1013.3	0.69	24
Date	High Temp.	Low Temp.	Avg Temp.	Temp Departure	HDD	CDD	GDD	Avg Dewpoint	Avg RH	Avg Wind Speed	Avg Wind Dir	Avg Press	Total Precip	# obs
2024-03-31	59	43	51	4	14	0	0	42	73	4	173	1012.5	Trace	24
2024-03-30	57	39	48	1	17	0	0	31	55	8	232	1010.9	0.21	24
2024-03-29	57	36	47	1	18	0	0	26	45	14	312	1011.6		24
2024-03-28	55	41	48	2	17	0	0	38	73	6	212	1015.1		24
2024-03-27	48	42	45	-1	20	0	0	43	89	7	125	1018.0	0.11	24
2024-03-26	58	32	45	0	20	0	0	32	61	5	99	1021.0	Trace	24
2024-03-25	55	30	42	-3	23	0	0	25	52	6	114	1028.2		24
2024-03-24	48	30	37	-7	28	0	0	20	51	9	266	1024.5		24
2024-03-23	46	32	39	-5	26	0	0	33	81	10	227	1013.4	1.27	24
2024-03-22	46	25	38	-6	27	0	0	19	47	8	119	1025.6		24
2024-03-21	45	28	36	-7	29	0	0	11	36	14	312	1021.5		24
2024-03-20	57	34	46	3	19	0	0	24	43	14	234	1005.5		24
2024-03-19	46	35	41	-2	24	0	0	21	46	13	242	1008.8		24
2024-03-18	48	36	41	-1	24	0	0	22	47	17	306	1008.9		24
2024-03-17	61	45	54	12	11	0	0	31	42	15	277	1003.1		24
2024-03-16	61	39	52	10	13	0	0	33	52	8	264	1009.7		24
2024-03-15	68	48	59	18	6	0	4	48	69	8	207	1008.6	0.04	24
2024-03-14	76	41	58	17	7	0	3	39	54	3	96	1014.8		24
2024-03-13	72	39	54	13	11	0	0	37	57	3	92	1012.6		24
2024-03-12	70	36	53	13	12	0	0	31	44	7	197	1011.9		24
2024-03-11	54	37	44	4	21	0	0	21	42	24	300	1011.0		24
2024-03-10	46	36	42	2	23	0	0	31	67	21	291	1001.8	0.03	23
2024-03-09	45	39	43	4	22	0	0	39	88	10	153	1012.5	1.23	24
2024-03-08	57	36	47	8	18	0	0	37	69	7	151	1023.6		24
2024-03-07	59	41	53	14	12	0	0	43	72	10	242	1014.6	0.06	24
2024-03-06	54	48	51	12	14	0	0	48	92	5	135	1013.6	0.12	24
2024-03-05	52	45	49	11	16	0	0	45	87	4	94	1019.3	0.29	24
2024-03-04	68	43	54	16	11	0	0	45	74	6	92	1024.9		24
2024-03-03	63	34	49	11	16	0	0	42	80	3	150	1022.5	Trace	24
2024-03-02	48	37	42	5	23	0	0	40	93	8	226	1023.6	0.60	24
2024-03-01	49	26	38	1	27	0	0	22	54	8	108	1033.3	Trace	24
Date	High Temp.	Low Temp.	Avg Temp.	Temp Departure	HDD	CDD	GDD	Avg Dewpoint	Avg RH	Avg Wind Speed	Avg Wind Dir	Avg Press	Total Precip	# obs
2024-02-29	43	30	35	-2	30	0	0	15	43	16	301	1026.5		24
2024-02-28	63	36	54	17	11	0	0	48	81	12	182	1004.6	0.40	24
2024-02-27	61	34	48	12	17	0	0	41	77	4	76	1011.4	0.05	24
2024-02-26	61	28	42	6	23	0	0	30	63	3	102	1015.8		24
2024-02-25	45	19	34	-2	31	0	0	17	52	5	150	1019.0		24
2024-02-24	41	25	36	0	29	0	0	23	61	8	249	1008.0	0.05	24
2024-02-23	48	34	41	6	24	0	0	37	88	4	188	999.9	Trace	24
2024-02-22	43	30	37	2	28	0	0	33	85	6	109	1013.2	0.23	24
2024-02-21	45	24	35	0	30	0	0	24	65	6	106	1028.0		24
2024-02-20	45	21	33	-2	32	0	0	17	51	3	62	1029.9		24
2024-02-19	45	27	35	1	30	0	0	20	55	6	213	1021.3		24
2024-02-18	45	24	34	0	31	0	0	14	46	10	239	1012.1		24
2024-02-17	36	27	32	-2	33	0	0	22	68	12	249	1011.0	0.10	24
2024-02-16	43	32	39	5	26	0	0	21	49	12	240	1013.4	Trace	24
2024-02-15	43	21	33	0	32	0	0	21	63	5	143	1017.7	0.03	24
2024-02-14	37	30	35	2	30	0	0	18	50	16	313	1019.0		24
2024-02-13	43	32	38	5	27	0	0	29	73	12	237	1005.3	1.30	24
2024-02-12	50	32	42	9	23	0	0	36	81	3	60	1010.5	0.10	24
2024-02-11	52	41	46	14	19	0	0	36	71	4	220	1013.1	Trace	24
2024-02-10	57	35	45	13	20	0	0	39	80	1	49	1011.2		24
2024-02-09	57	34	45	13	20	0	0	35	70	4	101	1017.1		24
2024-02-08	55	28	40	8	25	0	0	28	64	4	89	1024.3		24
2024-02-07	48	25	35	3	30	0	0	24	65	4	189	1025.5		24
2024-02-06	43	25	33	2	32	0	0	21	62	5	255	1021.6		24
2024-02-05	45	25	35	4	30	0	0	25	68	6	246	1014.6		24
2024-02-04	50	26	36	5	29	0	0	24	64	3	169	1015.7		24
2024-02-03	46	28	39	8	26	0	0	24	57	6	262	1018.1		24
2024-02-02	48	39	42	11	23	0	0	32	70	9	239	1013.5	0.04	22
2024-02-01	50	30	41	10	24	0	0	33	74	5	138	1014.9		23
Date	High Temp.	Low Temp.	Avg Temp.	Temp Departure	HDD	CDD	GDD	Avg Dewpoint	Avg RH	Avg Wind Speed	Avg Wind Dir	Avg Press	Total Precip	# obs
2024-01-31	43	28	37	6	28	0	0	31	81	2	71	1018.9		21
2024-01-30	39	35	37	6	28	0	0	27	69	8	109	1020.6		22
2024-01-29	45	37	40	9	25	0	0	29	65	14	328	1013.4		24
2024-01-28	45	39	41	11	24	0	0	38	89	7	132	1008.8	1.09	24
2024-01-27	52	36	45	15	20	0	0	40	83	3	108	1021.2	0.02	24
2024-01-26	52	37	47	17	18	0	0	46	97	3	93	1016.1	0.14	24
2024-01-25	49	37	42	12	23	0	0	42	97	1	56	1020.3	0.26	24
2024-01-24	43	36	38	8	27	0	0	33	82	2	65	1028.9	0.08	24
2024-01-23	45	28	35	5	30	0	0	23	63	2	49	1031.8		24
2024-01-22	34	16	27	-3	38	0	0	13	58	4	173	1033.9		24
2024-01-21	32	21	27	-3	38	0	0	13	57	16	308	1030.1		24
2024-01-20	25	18	21	-9	44	0	0	9	60	19	307	1018.9	0.04	24
2024-01-19	28	24	27	-3	38	0	0	21	80	6	203	1011.3	0.21	24
2024-01-18	34	14	25	-5	40	0	0	9	50	4	155	1019.7		24
2024-01-17	27	14	21	-9	44	0	0	1	43	13	266	1017.7		24
2024-01-16	28	19	24	-6	41	0	0	16	72	11	212	1013.3	0.23	24
2024-01-15	28	25	26	-5	39	0	0	10	52	4	180	1022.7	0.07	24
2024-01-14	38	24	33	2	32	0	0	13	46	15	253	1014.1	Trace	24
2024-01-13	49	34	43	12	22	0	0	31	66	15	226	997.2	0.35	24
2024-01-12	49	28	40	9	25	0	0	30	71	9	104	1014.5	0.69	24
2024-01-11	50	36	44	13	21	0	0	28	53	8	244	1011.2		24
2024-01-10	59	42	47	16	18	0	0	31	56	16	268	995.4	Trace	24
2024-01-09	59	35	45	14	20	0	0	41	84	14	123	1004.2	1.59	18
2024-01-08	46	34	41	10	24	0	0	28	60	9	273	1026.8		19
2024-01-07	41	35	38	7	27	0	0	32	81	8	297	1007.9	0.05	24
2024-01-06	36	24	31	-1	34	0	0	26	80	6	123	1014.0	1.00	24
2024-01-05	38	25	31	-1	34	0	0	17	57	6	229	1025.4		24
2024-01-04	43	28	37	5	28	0	0	23	58	11	288	1018.3		24
2024-01-03	45	28	36	4	29	0	0	26	66	4	181	1016.7		24
2024-01-02	43	30	38	6	27	0	0	26	64	10	314	1019.5	Trace	24
2024-01-01	41	37	39	7	26	0	0	35	85	4	206	1017.1	0.06	24

Mailing Address:

Pennsylvania State Climatologist
503 Walker Building
University Park, PA 16802

Online:

Data Request Form

E-mail:

psc@meteo.psu.edu

Phone:

814-865-8732