Pennsylvania State Climatologist

This current daily data is derived from real-time hourly observations recorded by the KPHL ASOS/AWOS and should be treated as unofficial data. Contact our office for availability of official records.
Date	# obs	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
2026-05-14	54	67	54	60	-3	5	0	5	49	59	10	186	1009.7	0.09
2026-05-13	52	78	55	67	4	0	2	12	42	55	9	183	1020.0
2026-05-12	52	61	54	56	-7	9	0	1	36	47	9	222	1019.6
2026-05-11	55	64	62	63	0	2	0	8	58	85	3	152	1016.2	0.05
2026-05-10	24	80	52	66	4	0	1	11	55	75	5	168	1013.1	0.09
2026-05-09	24	68	55	61	-1	4	0	6	49	67	8	176	1011.4	0.02
2026-05-08	24	72	50	62	0	3	0	7	36	41	13	265	1012.5
2026-05-07	54	70	64	68	6	0	3	13	60	76	10	245	1008.8	Trace
2026-05-06	24	72	64	68	7	0	3	13	57	68	14	214	1009.3	0.03
2026-05-05	24	86	61	72	11	0	7	17	49	47	15	206	1010.6
2026-05-04	24	76	49	62	1	3	0	7	39	45	12	215	1013.0
2026-05-03	24	62	47	54	-6	10	0	0	28	38	14	293	1013.3
2026-05-02	24	63	52	56	-4	9	0	1	36	49	10	286	1012.2
2026-05-01	52	58	54	56	-4	9	0	1	44	64	11	315	1011.4
Date	# obs	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
2026-04-30	24	66	50	57	-2	8	0	2	46	68	8	244	1008.6	0.06
2026-04-29	24	66	50	57	-2	8	0	2	42	58	7	147	1013.8	0.39
2026-04-28	24	64	46	55	-4	10	0	0	39	54	5	177	1021.0
2026-04-27	24	73	43	58	0	7	0	3	41	58	5	148	1023.7
2026-04-26	24	61	44	50	-8	15	0	0	42	76	11	60	1019.2	0.08
2026-04-25	24	55	44	50	-8	15	0	0	43	75	12	84	1014.6	0.43
2026-04-24	24	79	54	64	7	1	0	9	41	46	6	117	1009.5
2026-04-23	24	79	48	64	7	1	0	9	45	56	6	163	1013.2
2026-04-22	24	66	46	55	-2	10	0	0	45	69	6	108	1017.7	0.03
2026-04-21	24	57	34	46	-10	19	0	0	22	40	8	239	1027.1
2026-04-20	24	55	39	47	-9	18	0	0	27	46	9	258	1022.5
2026-04-19	24	57	45	52	-4	13	0	0	43	72	10	239	1013.5	0.01
2026-04-18	24	77	53	64	9	1	0	9	54	72	9	100	1015.5
2026-04-17	24	82	68	76	21	0	11	21	55	49	9	275	1011.3
2026-04-16	24	91	64	79	25	0	14	24	58	52	7	193	1010.4
2026-04-15	24	90	63	77	23	0	12	22	61	62	9	213	1013.2	0.01
2026-04-14	24	88	61	75	21	0	10	20	54	50	11	227	1014.8	0.09
2026-04-13	24	81	50	67	14	0	2	12	52	60	12	191	1019.1
2026-04-12	24	67	44	56	3	10	0	0	33	43	9	122	1030.2
2026-04-11	24	67	53	59	6	6	0	4	37	49	10	256	1024.3
2026-04-10	24	72	43	55	3	10	0	0	42	64	8	202	1026.1
2026-04-09	24	61	35	47	-5	18	0	0	33	62	6	133	1034.4
2026-04-08	24	55	30	42	-9	23	0	0	19	41	9	87	1035.7
2026-04-07	24	56	39	51	0	14	0	0	22	34	15	277	1024.2
2026-04-06	24	59	44	52	1	13	0	0	27	38	13	280	1017.9
2026-04-05	24	73	48	56	6	9	0	1	48	77	10	187	1012.7	0.41
2026-04-04	24	83	48	65	15	0	0	10	56	73	9	125	1020.4
2026-04-03	24	72	44	55	6	10	0	0	50	85	6	133	1024.7
2026-04-02	24	63	43	48	-1	17	0	0	44	88	15	75	1027.9	0.14
2026-04-01	24	84	62	73	24	0	8	18	55	55	11	210	1016.9	0.46
Date	# obs	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
2026-03-31	24	81	62	72	24	0	7	17	52	52	15	217	1016.7
2026-03-30	24	72	48	60	12	5	0	5	45	58	15	217	1022.9
2026-03-29	24	60	31	46	-2	20	0	0	23	42	9	162	1033.0
2026-03-28	24	48	33	41	-6	24	0	0	12	32	13	308	1030.1
2026-03-27	24	70	40	55	8	10	0	0	40	59	12	289	1014.6	0.13
2026-03-26	24	79	48	64	18	1	0	9	45	52	14	213	1012.8
2026-03-25	24	56	37	46	0	19	0	0	30	55	9	187	1026.9
2026-03-24	24	50	34	42	-4	23	0	0	22	47	9	264	1028.7
2026-03-23	24	61	37	49	4	16	0	0	40	74	15	185	1012.1	0.11
2026-03-22	24	75	45	59	14	6	0	4	47	68	8	163	1008.9
2026-03-21	24	63	45	55	10	10	0	0	42	66	7	193	1011.5
2026-03-20	24	66	37	51	7	14	0	0	36	59	10	196	1015.7	0.09
2026-03-19	24	50	33	41	-3	24	0	0	25	54	7	191	1025.0
2026-03-18	24	40	28	33	-11	32	0	0	12	41	8	217	1028.6
2026-03-17	24	45	33	38	-5	27	0	0	17	45	19	279	1012.7	0.02
2026-03-16	24	68	45	61	18	4	0	6	57	86	15	165	1003.0	0.50
2026-03-15	24	52	39	46	3	20	0	0	29	52	12	93	1027.0
2026-03-14	24	57	36	48	5	17	0	0	20	41	13	230	1017.2
2026-03-13	24	48	30	41	-1	24	0	0	23	50	12	207	1016.5
2026-03-12	24	70	36	49	7	16	0	0	41	77	12	268	1009.4	0.16
2026-03-11	24	82	52	67	25	0	2	12	53	62	6	155	1010.6	0.02
2026-03-10	24	83	41	62	21	3	0	7	43	58	5	165	1016.4
2026-03-09	24	75	40	57	16	8	0	2	40	59	6	188	1016.4
2026-03-08	23	73	47	58	17	7	0	3	50	76	6	193	1010.7	0.01
2026-03-07	24	54	39	46	6	20	0	0	42	89	3	112	1020.7
2026-03-06	24	45	39	42	2	23	0	0	38	84	9	71	1027.2	0.04
2026-03-05	24	48	42	46	6	19	0	0	43	90	6	56	1022.8	0.48
2026-03-04	24	50	39	45	5	20	0	0	41	86	4	99	1024.5	0.06
2026-03-03	24	42	33	38	-1	27	0	0	33	84	5	83	1030.7	0.28
2026-03-02	24	36	26	32	-7	33	0	0	11	43	7	61	1036.9
2026-03-01	24	48	34	41	2	24	0	0	23	53	10	149	1022.9
Date	# obs	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
2026-02-28	24	61	28	44	5	21	0	0	32	66	3	113	1018.6
2026-02-27	24	54	28	40	1	25	0	0	24	57	3	114	1019.1
2026-02-26	24	49	31	40	2	25	0	0	29	66	5	207	1011.8
2026-02-25	24	47	30	38	0	27	0	0	25	61	8	199	1006.7	0.01
2026-02-24	24	34	28	31	-7	34	0	0	15	51	13	267	1014.3	0.13
2026-02-23	24	39	30	34	-4	31	0	0	27	77	20	322	1005.2	0.18
2026-02-22	24	41	23	32	-5	33	0	0	33	87	11	91	1013.4	0.53
2026-02-21	24	52	35	44	7	21	0	0	32	68	7	220	1014.9
2026-02-20	24	46	37	42	5	23	0	0	40	92	8	64	1007.0	0.58
2026-02-19	24	45	38	41	4	24	0	0	35	81	9	64	1015.6	0.03
2026-02-18	24	46	34	41	4	24	0	0	37	86	3	65	1011.7
2026-02-17	24	42	35	39	3	26	0	0	34	88	8	209	1021.3
2026-02-16	24	41	34	38	2	28	0	0	30	78	9	68	1019.9	0.07
2026-02-15	24	45	30	38	2	28	0	0	29	75	5	79	1017.5	0.16
2026-02-14	24	50	25	37	1	28	0	0	23	58	8	185	1020.0
2026-02-13	24	38	25	30	-5	35	0	0	14	51	9	290	1022.2
2026-02-12	24	37	28	35	0	30	0	0	17	47	14	307	1017.4
2026-02-11	24	46	30	39	4	26	0	0	23	54	13	266	1010.2
2026-02-10	24	39	21	31	-4	34	0	0	14	51	3	140	1017.5
2026-02-09	24	31	10	21	-14	44	0	0	3	48	9	299	1026.3
2026-02-08	24	20	8	14	-21	51	0	0	-6	41	18	318	1024.9
2026-02-07	24	31	10	19	-15	46	0	0	1	48	23	306	1011.3
2026-02-06	24	34	19	27	-7	38	0	0	15	62	5	226	1007.2
2026-02-05	24	34	19	27	-7	38	0	0	10	48	6	273	1018.3
2026-02-04	24	36	26	32	-2	33	0	0	15	50	6	255	1023.2
2026-02-03	24	37	18	30	-4	35	0	0	15	54	6	220	1022.4
2026-02-02	24	36	19	26	-8	39	0	0	8	47	12	301	1019.1
2026-02-01	24	27	14	20	-14	45	0	0	3	48	17	328	1012.9
Date	# obs	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
2026-01-31	24	25	10	18	-16	47	0	0	2	48	10	294	1021.2
2026-01-30	24	20	10	16	-17	49	0	0	-3	43	11	284	1024.1
2026-01-29	24	23	14	18	-15	47	0	0	1	46	12	288	1021.9
2026-01-28	24	23	14	19	-14	46	0	0	2	47	10	269	1021.1
2026-01-27	24	25	16	21	-12	44	0	0	4	49	13	258	1019.9
2026-01-26	24	28	20	24	-9	41	0	0	12	63	13	297	1012.1
2026-01-25	24	25	15	18	-15	47	0	0	11	73	14	67	1022.4	1.23
2026-01-24	24	20	11	16	-17	49	0	0	-8	33	12	289	1038.1
2026-01-23	24	40	18	35	2	30	0	0	5	28	15	286	1023.6
2026-01-22	24	51	37	45	12	20	0	0	20	38	15	256	1018.2
2026-01-21	24	39	16	29	-4	36	0	0	12	48	8	140	1029.5
2026-01-20	24	30	18	23	-10	42	0	0	-0	36	12	285	1028.9
2026-01-19	24	36	21	29	-4	36	0	0	15	58	10	252	1016.2
2026-01-18	24	36	27	33	0	32	0	0	29	87	7	174	1015.2	0.27
2026-01-17	24	40	30	36	3	29	0	0	25	68	6	164	1018.4	0.13
2026-01-16	24	37	23	30	-3	35	0	0	9	42	14	243	1014.0
2026-01-15	24	45	25	35	2	30	0	0	17	50	17	265	1000.3	0.03
2026-01-14	24	57	44	49	16	16	0	0	29	47	7	195	1002.3
2026-01-13	24	52	28	40	6	25	0	0	26	59	7	208	1015.8
2026-01-12	24	45	30	37	3	28	0	0	20	51	12	245	1022.7
2026-01-11	24	48	36	43	9	22	0	0	28	59	14	286	1012.6	0.01
2026-01-10	24	49	43	45	11	20	0	0	42	88	6	86	1017.7	0.96
2026-01-09	24	55	30	45	11	20	0	0	39	82	5	147	1022.4	0.04
2026-01-08	24	55	34	44	10	21	0	0	33	68	4	175	1022.8
2026-01-07	24	57	37	47	13	18	0	0	38	74	7	236	1009.6
2026-01-06	24	45	30	39	5	26	0	0	33	78	4	48	1011.8
2026-01-05	24	39	25	33	-1	32	0	0	22	65	6	163	1021.3
2026-01-04	24	38	28	32	-3	33	0	0	17	53	9	309	1019.7
2026-01-03	24	34	23	29	-6	36	0	0	11	48	7	282	1015.9
2026-01-02	24	34	23	28	-7	37	0	0	10	46	8	269	1010.9
2026-01-01	24	37	24	30	-5	35	0	0	10	45	14	280	1009.4

Mailing Address:

Online:

E-mail:

Phone: