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
2025-05-02	24	86	59	72	12	0	8	18	57	61	8	180	1011.7
2025-05-01	24	81	54	68	8	0	2	12	44	47	8	94	1018.1
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
2025-04-30	24	80	57	69	10	0	4	14	45	43	11	256	1015.4
2025-04-29	24	83	50	66	7	0	1	11	47	49	12	205	1020.0
2025-04-28	24	75	46	63	4	2	0	8	30	31	6	195	1025.7
2025-04-27	24	72	50	59	1	6	0	4	30	35	18	299	1017.4
2025-04-26	24	75	55	68	10	0	3	13	58	74	14	231	1011.4	0.03
2025-04-25	24	79	52	66	8	0	1	11	49	57	7	148	1021.8
2025-04-24	24	79	50	65	8	0	0	10	44	50	7	169	1025.0
2025-04-23	24	76	55	65	8	0	0	10	36	36	8	168	1022.5
2025-04-22	24	81	54	68	11	0	3	13	50	59	8	202	1015.6
2025-04-21	24	66	50	59	3	6	0	4	40	54	5	95	1022.9
2025-04-20	24	75	54	67	11	0	2	12	41	40	11	244	1023.1
2025-04-19	24	81	63	71	15	0	6	16	55	57	13	218	1016.3
2025-04-18	24	72	43	60	5	5	0	5	40	49	10	170	1022.1
2025-04-17	24	63	37	51	-4	14	0	0	26	40	10	279	1021.3
2025-04-16	24	57	45	50	-4	15	0	0	28	43	19	288	1010.5
2025-04-15	24	70	48	59	5	6	0	4	43	60	15	258	1001.9
2025-04-14	24	70	45	57	3	8	0	2	38	51	4	157	1010.9
2025-04-13	24	63	43	52	-1	13	0	0	36	57	12	299	1013.9
2025-04-12	24	45	37	42	-11	23	0	0	36	81	15	150	1014.2	0.34
2025-04-11	24	48	42	45	-8	20	0	0	41	88	12	57	1018.9	1.04
2025-04-10	24	54	42	47	-5	18	0	0	30	54	9	130	1025.4
2025-04-09	24	50	33	42	-10	23	0	0	15	34	11	260	1024.6
2025-04-08	24	47	37	43	-8	22	0	0	21	47	17	277	1009.9
2025-04-07	24	54	41	45	-6	20	0	0	40	83	9	152	1008.3	0.28
2025-04-06	24	55	48	51	0	14	0	0	46	82	7	175	1011.1	0.02
2025-04-05	24	63	48	55	5	10	0	0	43	65	9	72	1021.1	0.02
2025-04-04	24	72	63	67	17	0	2	12	54	66	8	234	1021.1	0.88
2025-04-03	24	76	48	63	14	2	0	8	55	77	10	177	1019.1	0.04
2025-04-02	24	57	37	47	-2	18	0	0	27	47	11	90	1029.0	0.02
2025-04-01	24	63	44	51	2	14	0	0	33	52	14	288	1014.6	0.23
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
2025-03-31	24	82	50	67	19	0	2	12	57	73	11	181	1006.0	1.20
2025-03-30	24	68	45	53	5	12	0	0	45	75	10	59	1017.8
2025-03-29	24	79	48	66	18	0	1	11	45	50	12	212	1016.5
2025-03-28	24	64	42	54	7	11	0	0	35	51	7	209	1021.7
2025-03-27	24	54	34	43	-4	22	0	0	16	34	11	269	1024.7
2025-03-26	24	52	39	46	0	19	0	0	22	40	12	247	1017.8
2025-03-25	24	63	46	54	8	11	0	0	29	44	12	263	1012.4
2025-03-24	24	54	39	48	2	17	0	0	44	88	8	176	1011.0	0.55
2025-03-23	24	50	34	43	-2	22	0	0	15	33	10	251	1020.1
2025-03-22	24	64	39	51	6	14	0	0	29	43	13	230	1009.5
2025-03-21	24	55	39	48	3	17	0	0	23	41	18	300	1007.5
2025-03-20	24	72	45	55	11	10	0	0	44	70	10	151	1005.9	0.58
2025-03-19	24	72	37	54	10	11	0	0	32	48	5	113	1016.9
2025-03-18	24	64	33	47	3	18	0	0	21	40	10	248	1018.1
2025-03-17	24	62	36	49	6	16	0	0	44	73	14	271	1011.3	1.42
2025-03-16	24	70	50	62	19	3	0	7	56	82	15	150	1012.0
2025-03-15	24	55	41	48	5	17	0	0	44	87	5	131	1019.1
2025-03-14	24	63	42	48	5	17	0	0	37	67	6	89	1020.3
2025-03-13	24	57	38	47	5	18	0	0	34	66	10	72	1017.4
2025-03-12	24	64	41	50	8	15	0	0	25	41	10	103	1013.4
2025-03-11	24	68	36	52	10	13	0	0	31	49	6	154	1008.5
2025-03-10	24	68	37	52	11	13	0	0	28	43	9	227	1011.9
2025-03-09	23	56	30	44	3	21	0	0	18	37	13	251	1014.2
2025-03-08	24	50	39	44	3	21	0	0	20	41	14	286	1007.4
2025-03-07	24	54	35	44	4	21	0	0	16	34	18	277	1007.0
2025-03-06	24	57	37	46	6	19	0	0	30	57	18	293	996.1
2025-03-05	24	63	48	55	15	10	0	0	49	79	15	174	1003.8	1.54
2025-03-04	24	63	29	46	6	19	0	0	29	55	9	192	1021.4
2025-03-03	24	41	24	32	-7	33	0	0	9	41	6	184	1025.2
2025-03-02	24	37	19	29	-10	36	0	0	2	33	13	296	1020.3
2025-03-01	24	64	28	46	7	19	0	0	23	43	16	255	1003.3
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
2025-02-28	24	52	37	46	7	19	0	0	26	49	11	245	1007.2
2025-02-27	24	54	43	49	10	16	0	0	39	68	7	190	1006.7	0.02
2025-02-26	24	61	35	48	10	17	0	0	33	57	7	222	1013.3
2025-02-25	24	59	37	48	10	17	0	0	30	51	6	225	1009.5
2025-02-24	24	55	28	43	5	22	0	0	23	49	7	129	1017.3
2025-02-23	24	48	27	39	1	26	0	0	18	47	8	238	1020.5
2025-02-22	24	41	21	31	-6	34	0	0	13	48	9	245	1027.5
2025-02-21	24	37	24	30	-7	35	0	0	11	45	16	303	1024.9
2025-02-20	24	27	19	23	-14	42	0	0	10	58	13	310	1017.6
2025-02-19	24	30	16	23	-14	42	0	0	2	40	10	297	1026.9
2025-02-18	24	28	19	24	-13	41	0	0	-1	34	17	289	1024.2
2025-02-17	24	38	28	34	-2	31	0	0	8	35	23	279	1012.4
2025-02-16	24	59	35	41	5	24	0	0	36	85	13	158	997.7	0.55
2025-02-15	24	40	28	34	-2	31	0	0	23	67	6	96	1026.4	0.39
2025-02-14	24	37	30	33	-3	32	0	0	10	39	12	288	1033.8
2025-02-13	24	49	35	40	5	25	0	0	33	81	13	184	1014.8	0.07
2025-02-12	24	36	30	33	-2	32	0	0	30	90	10	50	1022.9	0.18
2025-02-11	24	37	27	31	-4	34	0	0	18	61	5	169	1028.5	0.28
2025-02-10	24	41	28	36	1	29	0	0	17	46	9	310	1028.8
2025-02-09	24	39	30	35	0	30	0	0	28	77	9	252	1018.4
2025-02-08	24	36	27	31	-4	34	0	0	14	53	4	111	1023.2	0.24
2025-02-07	24	46	28	39	5	26	0	0	23	57	12	284	1016.9
2025-02-06	24	39	30	35	1	30	0	0	33	93	7	139	1016.0	0.28
2025-02-05	24	37	30	34	0	31	0	0	14	44	7	201	1028.6
2025-02-04	24	50	33	43	9	22	0	0	26	56	13	279	1016.3
2025-02-03	24	52	28	39	5	26	0	0	33	78	4	160	1018.2
2025-02-02	24	37	19	29	-5	36	0	0	15	58	7	66	1030.8	0.01
2025-02-01	24	50	24	37	3	28	0	0	20	54	16	298	1019.3	0.03
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
2025-01-31	24	52	36	44	10	21	0	0	41	91	7	168	1011.9	0.53
2025-01-30	24	43	28	36	3	29	0	0	17	46	7	231	1022.5
2025-01-29	24	54	28	42	9	23	0	0	23	50	16	263	1003.5
2025-01-28	24	45	30	38	5	27	0	0	19	48	11	220	1005.0
2025-01-27	24	45	23	34	1	31	0	0	15	50	9	230	1015.0
2025-01-26	24	43	27	35	2	30	0	0	19	54	8	238	1022.0
2025-01-25	24	36	17	27	-6	38	0	0	12	54	8	228	1027.3
2025-01-24	24	34	17	26	-7	39	0	0	12	55	8	269	1023.7
2025-01-23	24	27	10	19	-14	46	0	0	6	57	5	165	1025.8
2025-01-22	24	19	10	15	-18	50	0	0	-1	48	6	240	1033.3
2025-01-21	24	19	10	15	-18	50	0	0	-3	45	9	280	1034.7
2025-01-20	24	27	12	21	-12	44	0	0	6	53	13	287	1025.7
2025-01-19	24	39	23	32	-1	33	0	0	28	87	9	192	1008.9	0.20
2025-01-18	24	43	27	35	2	30	0	0	30	82	3	131	1013.1	0.03
2025-01-17	24	43	24	33	0	32	0	0	21	61	8	244	1018.6
2025-01-16	24	29	19	25	-8	40	0	0	15	66	8	231	1016.0	0.01
2025-01-15	24	34	21	27	-6	38	0	0	8	46	15	297	1023.2
2025-01-14	24	36	24	29	-4	36	0	0	7	39	16	288	1019.1
2025-01-13	24	45	28	36	2	29	0	0	23	60	9	235	1015.9
2025-01-12	24	43	27	36	2	29	0	0	20	53	7	276	1016.6
2025-01-11	24	34	27	30	-4	34	0	0	20	68	10	267	1004.4	0.02
2025-01-10	24	37	25	30	-4	35	0	0	11	46	12	291	1014.9
2025-01-09	24	34	19	27	-7	38	0	0	6	42	18	301	1013.2
2025-01-08	24	31	21	27	-7	38	0	0	7	42	16	300	1016.1
2025-01-07	24	34	19	27	-7	38	0	0	10	50	18	308	1014.2
2025-01-06	24	30	24	28	-6	37	0	0	19	70	8	171	1010.9	0.11
2025-01-05	24	32	21	28	-6	37	0	0	8	44	14	273	1019.9
2025-01-04	24	32	27	30	-5	35	0	0	11	46	17	286	1015.3
2025-01-03	24	36	30	33	-2	32	0	0	19	58	12	265	1014.3
2025-01-02	24	43	35	38	3	27	0	0	18	46	19	274	1017.0
2025-01-01	24	50	39	45	10	20	0	0	34	66	17	261	1004.9

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