Pennsylvania State Climatologist

National Weather Service Office Sites
Sites With Hourly Observations
Other Cities

Williamsport

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.

Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/30/1970	2100	10.0		57.9	50.0	75	110	8.1
09/30/1970	1800	10.0		57.9	48.0	70	140	4.6
09/30/1970	1500	10.0		52.0	45.0	77	80	4.6
09/30/1970	1200	10.0		48.9	44.1	83	120	5.8						-SHRA
09/30/1970	0900	8.0		48.9	45.0	86	100	13.8
09/30/1970	0600	8.0		48.0	45.0	89	0	0.0						-SHRA
09/30/1970	0300	15.0		48.0	43.0	83	60	3.5
09/30/1970	0000	15.0		51.1	43.0	74	10	3.5
09/29/1970	2100	15.0		55.9	37.0	49	260	10.4
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/29/1970	1800	15.0		54.0	35.1	49	310	10.4
09/29/1970	1500	15.0		52.0	37.9	59	300	11.5
09/29/1970	1200	10.0		46.9	42.1	83	290	11.5
09/29/1970	0900	10.0		44.1	41.0	89	0	0.0
09/29/1970	0600	10.0		46.0	42.1	86	0	0.0							CLR
09/29/1970	0300	15.0		51.1	43.0	74	290	11.5
09/29/1970	0000	15.0		53.1	43.0	69	260	11.5
09/28/1970	2100	15.0		57.0	46.0	67	310	10.4
09/28/1970	1800	9.0		59.0	46.0	62	250	12.7						-SHRA
09/28/1970	1500	5.0		52.0	48.9	89	320	3.5						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/28/1970	1200	1.0		48.0	46.9	96	40	4.6						FG
09/28/1970	0900	0.4		46.9	46.0	97	20	5.8						FG
09/28/1970	0600	1.0		48.0	46.9	96	0	0.0						FG
09/28/1970	0300	10.0		53.1	50.0	89	300	4.6
09/28/1970	0000	15.0		57.0	50.0	77	270	8.1
09/27/1970	2100	15.0		59.0	53.1	81	230	4.6
09/27/1970	1800	15.0		57.0	52.0	83	240	6.9
09/27/1970	1500	7.0		57.9	54.0	87	310	5.8						-RA
09/27/1970	1200	5.0		61.0	57.9	90	290	5.8						-RA FG
09/27/1970	0900	7.0		69.1	68.0	96	0	0.0
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/27/1970	0600	7.0		71.1	66.9	87	60	5.8						-SHRA
09/27/1970	0300	10.0		77.0	68.0	74	180	16.1
09/27/1970	0000	7.0		80.1	68.0	67	120	9.2
09/26/1970	2100	8.0		84.9	69.1	59	140	8.1
09/26/1970	1800	7.0		82.0	70.0	67	0	0.0
09/26/1970	1500	6.0		73.0	68.0	84	0	0.0						DZ	CLR
09/26/1970	1200	0.5		64.9	64.0	97	340	4.6						FG
09/26/1970	0900	7.0		66.0	64.0	93	0	0.0							CLR
09/26/1970	0600	7.0		69.1	66.0	90	360	4.6							CLR
09/26/1970	0300	10.0		73.0	66.9	81	270	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/26/1970	0000	15.0		77.0	62.1	60	260	9.2
09/25/1970	2100	8.0		84.9	69.1	59	240	6.9
09/25/1970	1800	8.0		84.9	68.0	57	250	8.1
09/25/1970	1500	3.0		77.0	72.0	85	220	6.9						DZ
09/25/1970	1200	0.8		68.0	66.9	96	250	3.5						FG
09/25/1970	0900	3.0		68.0	66.9	96	240	6.9						FG	CLR
09/25/1970	0600	5.0		73.0	70.0	90	300	5.8						DZ	CLR
09/25/1970	0300	7.0		73.9	71.1	91	0	0.0							CLR
09/25/1970	0000	7.0		78.1	68.0	71	110	4.6
09/24/1970	2100	8.0		88.0	69.1	54	220	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/24/1970	1800	6.0		86.0	72.0	63	140	9.2						DZ
09/24/1970	1500	3.0		77.0	71.1	82	100	8.1						DZ
09/24/1970	1200	0.8		68.0	68.0	100	0	0.0						FG
09/24/1970	0900	0.8		66.9	66.0	97	0	0.0						FG
09/24/1970	0600	0.8		69.1	68.0	96	0	0.0						FG
09/24/1970	0300	3.0		70.0	69.1	97	0	0.0						FG
09/24/1970	0000	4.0		73.9	69.1	85	120	4.6						DZ
09/23/1970	2100	6.0		75.9	69.1	79	320	8.1						-TSRA DZ
09/23/1970	1800	5.0		84.0	69.1	61	240	10.4						DZ
09/23/1970	1500	4.0		75.9	71.1	85	180	4.6						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/23/1970	1200	0.3		66.0	66.0	100	0	0.0						FG
09/23/1970	0900	0.8		66.0	66.0	100	300	4.6						FG
09/23/1970	0600	4.0		70.0	68.0	94	0	0.0						FG	CLR
09/23/1970	0300	8.0		73.0	70.0	90	0	0.0
09/23/1970	0000	10.0		79.0	71.1	77	250	3.5
09/22/1970	2100	10.0		88.0	73.0	62	190	8.1
09/22/1970	1800	7.0		86.0	73.9	68	90	4.6
09/22/1970	1500	10.5		73.0	66.9	81	120	8.1						DZ
09/22/1970	1200	0.1		66.0	64.9	96	0	0.0						FG
09/22/1970	0900	0.1		66.0	66.0	100	0	0.0						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/22/1970	0600	0.1		66.9	66.0	97	0	0.0						FG
09/22/1970	0300	10.5		69.1	68.0	96	0	0.0						FG
09/22/1970	0000	6.0		75.0	70.0	84	0	0.0						DZ	CLR
09/21/1970	2100	7.0		81.0	72.0	74	130	3.5
09/21/1970	1800	6.0		78.1	68.0	71	100	5.8						DZ
09/21/1970	1500	3.0		70.0	63.0	79	120	9.2						DZ
09/21/1970	1200	3.0		64.9	61.0	87	0	0.0
09/21/1970	0900	7.0		64.0	60.1	87	70	4.6
09/21/1970	0600	7.0		63.0	59.0	87	0	0.0
09/21/1970	0300	10.0		66.0	57.9	75	110	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/21/1970	0000	10.0		66.9	59.0	76	70	5.8
09/20/1970	2100	10.0		73.9	57.9	57	10	3.5
09/20/1970	1800	10.0		71.1	57.0	61	60	4.6
09/20/1970	1500	2.0		57.0	55.9	96	80	6.9						FG
09/20/1970	1200	0.3		53.1	52.0	96	360	4.6						FG
09/20/1970	0900	0.0		53.1	53.1	100	0	0.0						FG
09/20/1970	0600	1.0		53.1	53.1	100	0	0.0						FG
09/20/1970	0300	10.0		57.0	54.0	90	290	4.6							CLR
09/20/1970	0000	10.0		62.1	57.9	86	0	0.0							CLR
09/19/1970	2100	10.0		70.0	55.0	59	340	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/19/1970	1800	15.0		69.1	54.0	59	290	11.5
09/19/1970	1500	10.0		64.9	54.0	68	340	10.4
09/19/1970	1200	6.0		60.1	57.9	93	260	9.2						FG
09/19/1970	0900	7.0		60.1	60.1	100	270	8.1
09/19/1970	0600	7.0		63.0	61.0	93	260	11.5
09/19/1970	0300	7.0		68.0	66.0	93	260	9.2
09/19/1970	0000	0.8		70.0	69.1	97	0	0.0						FG
09/18/1970	2100	5.5		71.1	70.0	96	130	5.8						-RA FG
09/18/1970	1800	5.5		70.0	68.0	94	0	0.0						-RA FG
09/18/1970	1500	5.5		69.1	66.9	93	100	4.6						-SHRA FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/18/1970	1200	3.0		68.0	64.9	90	120	6.9						-SHRA DZ
09/18/1970	0900	7.0		69.1	63.0	81	100	10.4
09/18/1970	0600	7.0		70.0	62.1	76	60	8.1
09/18/1970	0300	10.0		70.0	61.0	73	60	21.9
09/18/1970	0000	10.0		71.1	60.1	68	60	8.1							CLR
09/17/1970	2100	15.0		75.9	57.9	54	160	6.9
09/17/1970	1800	15.0		70.0	55.9	61	140	6.9							CLR
09/17/1970	1500	15.0		64.0	55.9	75	0	0.0							CLR
09/17/1970	1200	0.3		55.0	54.0	96	340	3.5						FG
09/17/1970	0900	10.0		55.0	53.1	93	340	3.5							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/17/1970	0600	10.0		59.0	57.0	93	300	3.5							CLR
09/17/1970	0300	10.0		66.0	57.0	73	20	4.6							CLR
09/17/1970	0000	10.0		73.9	57.9	57	360	4.6							CLR
09/16/1970	2100	7.0		84.9	66.0	53	290	16.1
09/16/1970	1800	8.0		87.1	68.0	53	250	13.8
09/16/1970	1500	2.0		75.0	72.0	90	0	0.0						DZ	CLR
09/16/1970	1200	0.3		66.9	66.9	100	0	0.0						FG
09/16/1970	0900	0.5		66.0	66.0	100	0	0.0						FG
09/16/1970	0600	7.0		70.0	68.0	94	0	0.0
09/16/1970	0300	10.0		73.0	70.0	90	350	4.6
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/16/1970	0000	10.0		77.0	70.0	79	360	4.6
09/15/1970	2100	15.0		86.0	68.0	55	260	10.4
09/15/1970	1800	4.0		78.1	68.0	71	120	9.2						DZ
09/15/1970	1500	2.0		68.0	64.9	90	130	3.5						FG
09/15/1970	1200	5.5		64.0	63.0	96	0	0.0						FG
09/15/1970	0900	4.0		62.1	59.0	90	280	5.8						DZ
09/15/1970	0600	5.0		62.1	57.9	86	340	4.6						DZ
09/15/1970	0300	7.0		62.1	57.9	86	340	3.5						-SHRA
09/15/1970	0000	7.0		62.1	57.9	86	310	6.9
09/14/1970	2100	8.0		64.0	59.0	84	320	5.8
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/14/1970	1800	15.0		64.9	59.0	81	290	4.6
09/14/1970	1500	8.0		63.0	55.9	78	340	10.4
09/14/1970	1200	7.0		62.1	57.9	86	340	5.8						-SHRA
09/14/1970	0900	5.0		64.0	61.0	90	300	4.6						-SHRA FG
09/14/1970	0600	3.0		64.9	64.0	97	320	6.9						FG
09/14/1970	0300	7.0		66.9	64.0	91	180	4.6
09/14/1970	0000	7.0		75.0	64.0	69	90	5.8
09/13/1970	2100	10.0		78.1	64.9	64	110	10.4
09/13/1970	1800	10.0		75.0	61.0	62	130	6.9
09/13/1970	1500	10.0		68.0	54.0	61	70	8.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/13/1970	1200	7.0		55.0	48.9	80	0	0.0
09/13/1970	0900	10.0		53.1	50.0	89	330	4.6							CLR
09/13/1970	0600	15.0		55.0	50.0	83	0	0.0							CLR
09/13/1970	0300	15.0		57.9	53.1	84	360	9.2							CLR
09/13/1970	0000	15.0		68.0	50.0	53	170	6.9							CLR
09/12/1970	2100	15.0		73.9	53.1	48	110	8.1							CLR
09/12/1970	1800	15.0		71.1	52.0	51	170	13.8							CLR
09/12/1970	1500	15.0		62.1	50.0	65	0	0.0							CLR
09/12/1970	1200	0.3		48.9	48.0	97	0	0.0						FG
09/12/1970	0900	5.5		50.0	50.0	100	0	0.0						FG
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/12/1970	0600	15.0		51.1	50.0	96	0	0.0							CLR
09/12/1970	0300	15.0		55.9	53.1	90	330	3.5							CLR
09/12/1970	0000	15.0		63.0	55.0	75	340	4.6
09/11/1970	2100	15.0		73.0	50.0	44	330	4.6
09/11/1970	1800	15.0		70.0	50.0	49	330	3.5
09/11/1970	1500	15.0		66.0	54.0	65	290	12.7
09/11/1970	1200	0.8		57.0	55.9	96	300	11.5						FG
09/11/1970	0900	5.5		57.9	55.9	93	340	4.6						FG
09/11/1970	0600	10.0		62.1	57.9	86	350	6.9
09/11/1970	0300	10.0		66.0	63.0	90	280	9.2
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/11/1970	0000	7.0		69.1	66.9	93	120	6.9
09/10/1970	2100	5.0		80.1	75.0	85	0	0.0						DZ
09/10/1970	1800	4.0		78.1	73.9	87	190	9.2						DZ
09/10/1970	1500	10.5		77.0	71.1	82	140	10.4						DZ
09/10/1970	1200	2.0		71.1	66.9	87	50	11.5						DZ
09/10/1970	0900	2.0		70.0	66.0	87	60	11.5						DZ
09/10/1970	0600	2.0		69.1	66.0	90	60	10.4						DZ
09/10/1970	0300	4.0		71.1	66.0	84	60	9.2						DZ
09/10/1970	0000	4.0		72.0	66.0	82	50	6.9						DZ
09/09/1970	2100	4.0		75.0	66.9	76	160	9.2						DZ
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/09/1970	1800	5.0		72.0	66.0	82	80	5.8						DZ
09/09/1970	1500	7.0		68.0	63.0	84	90	9.2
09/09/1970	1200	8.0		68.0	62.1	81	40	6.9
09/09/1970	0900	10.0		68.0	61.0	78	100	16.1
09/09/1970	0600	7.0		70.0	61.0	73	140	11.5
09/09/1970	0300	7.0		72.0	62.1	71	180	23.0
09/09/1970	0000	7.0		73.9	61.0	64	60	8.1						-SHRA
09/08/1970	2100	8.0		77.0	63.0	62	60	6.9
09/08/1970	1800	10.0		75.9	60.1	58	120	10.4
09/08/1970	1500	10.0		68.0	59.0	73	80	11.5
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/08/1970	1200	8.0		57.9	55.0	90	100	5.8
09/08/1970	0900	8.0		59.0	55.0	87	90	8.1
09/08/1970	0600	8.0		61.0	57.0	87	120	10.4
09/08/1970	0300	15.0		60.1	57.9	93	300	4.6
09/08/1970	0000	15.0		68.0	57.9	70	0	0.0
09/07/1970	2100	15.0		80.1	55.9	44	240	4.6
09/07/1970	1800	15.0		75.0	55.9	52	220	4.6
09/07/1970	1500	7.0		64.9	59.0	81	220	8.1							CLR
09/07/1970	1200	0.5		54.0	54.0	100	310	4.6						FG
09/07/1970	0900	4.0		53.1	52.0	96	290	3.5						FG	CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/07/1970	0600	7.0		57.0	55.0	93	320	4.6
09/07/1970	0300	10.0		60.1	57.0	90	0	0.0
09/07/1970	0000	15.0		66.9	57.9	73	0	0.0
09/06/1970	2100	15.0		78.1	53.1	42	330	9.2
09/06/1970	1800	15.0		77.0	53.1	44	350	11.5
09/06/1970	1500	15.0		70.0	55.9	61	260	13.8
09/06/1970	1200	10.0		57.9	53.1	84	310	5.8							CLR
09/06/1970	0900	10.0		57.9	55.0	90	300	5.8
09/06/1970	0600	10.0		59.0	55.0	87	340	5.8							CLR
09/06/1970	0300	15.0		64.9	55.0	70	280	8.1							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/06/1970	0000	15.0		75.0	60.1	60	310	8.1
09/05/1970	2100	15.0		80.1	63.0	56	270	15.0
09/05/1970	1800	15.0		79.0	63.0	58	260	13.8
09/05/1970	1500	10.0		78.1	64.0	62	250	15.0
09/05/1970	1200	4.0		69.1	64.0	84	280	9.2						DZ
09/05/1970	0900	7.0		71.1	66.9	87	240	4.6
09/05/1970	0600	10.0		68.0	64.9	90	220	4.6						-SHRA
09/05/1970	0300	15.0		70.0	66.0	87	10	5.8
09/05/1970	0000	15.0		77.0	66.0	69	0	0.0
09/04/1970	2100	15.0		84.9	68.0	57	250	16.1
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/04/1970	1800	15.0		82.9	66.9	59	260	19.6
09/04/1970	1500	15.0		79.0	64.9	62	260	19.6
09/04/1970	1200	9.0		75.9	66.9	74	210	11.5
09/04/1970	0900	3.0		75.0	71.1	88	180	10.4						DZ
09/04/1970	0600	3.0		73.0	70.0	90	60	6.9						FG
09/04/1970	0300	5.5		73.0	70.0	90	20	9.2						FG
09/04/1970	0000	2.0		70.0	68.0	94	50	4.6						FG
09/03/1970	2100	2.0		70.0	66.0	87	110	16.1						DZ
09/03/1970	1800	2.0		66.9	64.0	91	60	9.2						DZ
09/03/1970	1500	7.0		68.0	55.9	65	110	12.7
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/03/1970	1200	10.0		59.0	54.0	83	0	0.0
09/03/1970	0900	7.0		60.1	55.9	86	70	4.6
09/03/1970	0600	7.0		61.0	55.9	84	0	0.0
09/03/1970	0300	10.0		61.0	57.0	87	100	4.6
09/03/1970	0000	15.0		64.0	57.9	81	340	4.6
09/02/1970	2100	15.0		73.0	50.0	44	300	4.6
09/02/1970	1800	15.0		70.0	52.0	53	260	9.2
09/02/1970	1500	15.0		64.0	51.1	63	310	4.6
09/02/1970	1200	3.0		48.9	46.9	93	330	3.5						FG
09/02/1970	0900	10.0		48.9	46.0	90	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/02/1970	0600	10.0		50.0	48.0	93	0	0.0							CLR
09/02/1970	0300	15.0		55.0	50.0	83	0	0.0							CLR
09/02/1970	0000	15.0		62.1	51.1	67	240	3.5							CLR
09/01/1970	2100	15.0		70.0	46.9	44	300	12.7
09/01/1970	1800	15.0		72.0	48.0	43	320	12.7
09/01/1970	1500	15.0		64.9	50.0	58	320	13.8
09/01/1970	1200	15.0		54.0	51.1	90	300	12.7							CLR
09/01/1970	0900	10.0		50.0	48.9	96	340	4.6							CLR
09/01/1970	0600	10.0		55.0	52.0	89	0	0.0							CLR
09/01/1970	0300	15.0		62.1	53.1	72	0	0.0							CLR
Date	Time	VIS	PRESS	TMP	DEW	RH	DIR	SPEED	GST	MX24	MN24	1hRa	24hRa	wx	CLOUDS	REMARKS
09/01/1970	0000	15.0		68.0	51.1	55	330	6.9

Williamsport

Mailing Address:

Online:

E-mail:

Phone: