Williamsport Weather in 1978

Historical record of Williamsport, Pennsylvania weather for the year 1978 based on NOAA data.

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1978 Williamsport Weather Extremes
Highest temperature	95 °F	July 23
Lowest temperature	-3 °F	February 20
Highest daily low	74 °F	August 28
Lowest daily high	18 °F	February 5
Most daily precipitation	1.9 inches	January 8
Most daily snow	10.5 inches	January 20
Total annual precipitation	43.4 inches	-
Total annual snow	69.1 inches	-

What was the hottest temperature in Williamsport in 1978?

The highest temperature recorded in Williamsport, Pennsylvania in 1978 was 95 °F which happened on July 23.

Highest Temperatures: All-Time By Year

Highest Temperatures in Williamsport in 1978

Rank	Temperature	Date
1	95 °F	Jul 23
2	94 °F	Jul 22
3	91 °F	Jul 21
3	91 °F	Jun 27
5	90 °F	Aug 19
5	90 °F	Aug 16
5	90 °F	Jun 29
8	89 °F	Sep 6
8	89 °F	Aug 24
8	89 °F	Jul 27
8	89 °F	Jul 20
8	89 °F	Jul 10

What was the coldest temperature in Williamsport in 1978?

The lowest temperature recorded in Williamsport, Pennsylvania in 1978 was -3 °F which happened 3 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Williamsport in 1978

Rank	Temperature	Date
1	-3 °F	February 20
1	-3 °F	January 24
1	-3 °F	January 23
4	-1 °F	March 6
5	0 °F	February 5
5	0 °F	January 16
7	1 °F	February 4
8	2 °F	March 5
8	2 °F	February 15
8	2 °F	February 9

January 1978 Williamsport Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	31	20	0.14	2.4
January 2	31	19	0.00	0.0
January 3	23	12	0.00	0.0
January 4	30	6	0.00	0.0
January 5	35	21	0.00	0.0
January 6	40	27	0.00	0.0
January 7	38	35	0.03	0.0
January 8	48	38	1.94	0.0
January 9	50	9	0.71	1.5
January 10	19	7	0.00	0.0
January 11	21	15	0.00	0.0
January 12	26	13	0.00	0.0
January 13	30	22	0.21	2.1
January 14	29	16	0.67	6.9
January 15	24	10	0.00	0.0
January 16	25	0	0.01	0.2
January 17	27	20	1.11	10.1
January 18	31	15	0.18	1.6
January 19	27	12	0.08	0.8
January 20	27	21	0.93	10.5
January 21	25	15	0.00	0.0
January 22	28	11	0.00	0.0
January 23	27	-3	0.00	0.0
January 24	31	-3	0.07	1.0
January 25	37	30	1.00	0.0
January 26	56	15	1.15	0.0
January 27	21	15	0.00	0.0
January 28	23	14	0.00	0.0
January 29	23	16	0.02	1.0
January 30	28	17	0.00	0.0
January 31	23	14	0.00	0.0

February 1978 Williamsport Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	24	15	0.00	0.0
February 2	27	17	0.00	0.0
February 3	25	5	0.00	0.0
February 4	21	1	0.00	0.0
February 5	18	0	0.04	1.4
February 6	20	15	0.48	7.4
February 7	30	18	0.02	0.3
February 8	32	13	0.00	0.0
February 9	31	2	0.00	0.0
February 10	30	4	0.00	0.0
February 11	33	12	0.00	0.0
February 12	35	19	0.00	0.0
February 13	31	24	0.14	2.5
February 14	32	13	0.05	0.9
February 15	28	2	0.00	0.0
February 16	33	7	0.02	0.3
February 17	38	21	0.00	0.1
February 18	31	16	0.04	0.5
February 19	28	9	0.00	0.0
February 20	25	-3	0.00	0.0
February 21	27	8	0.00	0.0
February 22	27	4	0.00	0.0
February 23	32	13	0.00	0.0
February 24	36	18	0.01	0.1
February 25	36	27	0.06	0.8
February 26	34	22	0.00	0.0
February 27	32	14	0.00	0.0
February 28	29	7	0.00	0.0

March 1978 Williamsport Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	32	11	0.03	0.5
March 2	31	10	0.00	0.0
March 3	24	15	0.10	2.2
March 4	30	13	0.00	0.0
March 5	27	2	0.00	0.0
March 6	32	-1	0.00	0.0
March 7	35	10	0.00	0.0
March 8	29	18	0.00	0.0
March 9	37	27	0.00	0.0
March 10	49	20	0.00	0.0
March 11	43	21	0.00	0.0
March 12	41	34	0.06	0.0
March 13	45	30	0.00	0.0
March 14	49	38	0.55	0.0
March 15	45	40	0.00	0.0
March 16	40	31	0.11	1.1
March 17	35	25	0.00	0.0
March 18	36	22	0.00	0.0
March 19	49	35	0.00	0.0
March 20	46	29	0.00	0.0
March 21	61	41	0.08	0.0
March 22	53	40	0.00	0.0
March 23	60	40	0.00	0.0
March 24	45	32	0.00	0.0
March 25	35	29	0.37	2.4
March 26	40	33	0.70	0.6
March 27	50	38	0.70	0.0
March 28	55	39	0.00	0.0
March 29	55	33	0.00	0.0
March 30	50	33	0.00	0.0
March 31	55	32	0.00	0.0

April 1978 Williamsport Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	79	45	0.00	0.0
April 2	49	35	0.00	0.0
April 3	36	28	0.19	1.2
April 4	46	36	0.31	0.0
April 5	52	39	0.01	0.0
April 6	50	34	0.26	0.0
April 7	69	43	0.07	0.0
April 8	54	38	0.00	0.0
April 9	55	31	0.00	0.0
April 10	59	33	0.00	0.0
April 11	67	46	0.20	0.0
April 12	71	44	0.00	0.0
April 13	71	41	0.00	0.0
April 14	54	41	0.00	0.0
April 15	50	35	0.00	0.0
April 16	51	34	0.00	0.0
April 17	58	32	0.00	0.0
April 18	63	32	0.04	0.0
April 19	51	40	0.41	0.0
April 20	51	43	0.51	0.0
April 21	47	39	0.01	0.0
April 22	58	39	0.00	0.0
April 23	63	31	0.00	0.0
April 24	60	42	0.00	0.0
April 25	66	33	0.00	0.0
April 26	65	44	0.00	0.0
April 27	67	43	0.00	0.0
April 28	67	42	0.00	0.0
April 29	72	39	0.00	0.0
April 30	56	37	0.00	0.0

May 1978 Williamsport Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	52	30	0.00
May 2	62	41	0.00
May 3	68	41	0.00
May 4	57	35	0.23
May 5	45	43	0.50
May 6	58	45	0.03
May 7	64	51	0.00
May 8	54	44	0.26
May 9	75	53	0.24
May 10	61	50	0.00
May 11	72	42	0.00
May 12	75	58	0.00
May 13	67	59	1.26
May 14	63	57	1.59
May 15	62	55	0.11
May 16	58	54	0.87
May 17	58	55	0.13
May 18	71	55	0.03
May 19	83	53	0.00
May 20	87	53	0.06
May 21	71	49	0.02
May 22	79	43	0.00
May 23	75	47	0.08
May 24	64	58	0.95
May 25	86	56	0.00
May 26	88	53	0.00
May 27	81	56	0.00
May 28	82	65	0.00
May 29	83	63	0.00
May 30	87	62	0.00
May 31	86	63	0.00

June 1978 Williamsport Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	83	62	0.00
June 2	87	61	0.44
June 3	68	55	0.25
June 4	72	50	0.00
June 5	77	53	0.02
June 6	74	46	0.00
June 7	74	56	0.33
June 8	79	67	1.50
June 9	76	58	0.01
June 10	81	51	0.00
June 11	85	54	0.00
June 12	86	62	0.30
June 13	69	54	0.12
June 14	69	48	0.00
June 15	75	47	0.00
June 16	76	48	0.00
June 17	71	63	0.01
June 18	85	64	0.00
June 19	81	59	0.00
June 20	85	58	0.00
June 21	82	63	1.41
June 22	78	60	0.00
June 23	81	53	0.00
June 24	80	54	0.00
June 25	82	54	0.00
June 26	76	66	0.16
June 27	91	70	0.05
June 28	85	67	0.00
June 29	90	60	0.00
June 30	84	58	0.00

July 1978 Williamsport Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	77	52	0.00
July 2	71	52	0.00
July 3	63	60	0.73
July 4	68	56	0.06
July 5	82	57	0.00
July 6	85	59	0.00
July 7	86	59	0.00
July 8	84	68	0.00
July 9	85	66	0.00
July 10	89	65	0.00
July 11	76	55	0.00
July 12	80	51	0.00
July 13	83	53	0.00
July 14	83	67	1.11
July 15	84	64	0.00
July 16	83	66	0.10
July 17	81	65	0.00
July 18	86	64	0.00
July 19	88	61	0.00
July 20	89	69	0.00
July 21	91	72	0.08
July 22	94	73	0.00
July 23	95	73	0.90
July 24	82	67	0.00
July 25	75	63	0.00
July 26	83	69	0.00
July 27	89	71	0.08
July 28	80	61	0.00
July 29	73	58	0.10
July 30	77	63	0.00
July 31	69	61	0.83

August 1978 Williamsport Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	81	66	0.00
August 2	84	67	0.00
August 3	87	73	0.70
August 4	82	66	0.00
August 5	77	65	0.05
August 6	83	71	0.52
August 7	83	72	0.43
August 8	82	68	0.00
August 9	86	64	0.00
August 10	82	68	0.52
August 11	78	64	0.00
August 12	83	71	0.01
August 13	86	68	0.00
August 14	88	65	0.00
August 15	88	68	0.00
August 16	90	73	0.00
August 17	88	68	0.00
August 18	86	61	0.00
August 19	90	63	0.00
August 20	80	61	0.00
August 21	83	55	0.00
August 22	84	56	0.00
August 23	87	59	0.00
August 24	89	62	0.00
August 25	86	70	0.00
August 26	83	65	0.00
August 27	79	60	0.00
August 28	81	74	0.13
August 29	88	71	0.05
August 30	78	67	0.32
August 31	69	65	0.83

September 1978 Williamsport Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	79	59	0.00
September 2	80	55	0.00
September 3	77	57	0.00
September 4	79	58	0.00
September 5	85	54	0.00
September 6	89	63	0.00
September 7	85	68	0.00
September 8	68	60	0.21
September 9	76	53	0.00
September 10	69	50	0.14
September 11	79	60	0.00
September 12	82	60	0.73
September 13	71	55	0.00
September 14	70	58	0.00
September 15	80	60	0.31
September 16	75	57	0.09
September 17	71	56	0.00
September 18	83	64	0.43
September 19	75	65	0.70
September 20	74	64	0.00
September 21	79	65	0.20
September 22	72	53	0.03
September 23	69	49	0.00
September 24	69	47	0.00
September 25	71	50	0.00
September 26	65	45	0.00
September 27	71	44	0.00
September 28	67	43	0.00
September 29	65	39	0.00
September 30	70	45	0.00

October 1978 Williamsport Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	69	57	0.00
October 2	61	46	0.00
October 3	65	43	0.00
October 4	66	55	0.55
October 5	65	54	0.73
October 6	65	55	0.00
October 7	58	48	0.00
October 8	53	39	0.08
October 9	62	36	0.00
October 10	71	39	0.00
October 11	73	45	0.00
October 12	75	55	0.02
October 13	67	55	0.38
October 14	55	47	0.36
October 15	56	39	0.03
October 16	54	40	0.02
October 17	59	34	0.00
October 18	52	30	0.00
October 19	58	47	0.00
October 20	58	41	0.00
October 21	69	37	0.00
October 22	74	42	0.00
October 23	67	42	0.11
October 24	54	34	0.00
October 25	64	32	0.00
October 26	63	55	0.45
October 27	59	39	0.03
October 28	65	34	0.00
October 29	57	38	0.00
October 30	58	31	0.00
October 31	63	33	0.00

November 1978 Williamsport Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	61	36	0.00	0.0
November 2	65	31	0.00	0.0
November 3	66	35	0.00	0.0
November 4	65	37	0.00	0.0
November 5	69	37	0.00	0.0
November 6	68	39	0.00	0.0
November 7	53	44	0.15	0.0
November 8	55	35	0.00	0.0
November 9	58	33	0.00	0.0
November 10	61	33	0.00	0.0
November 11	62	36	0.00	0.0
November 12	52	42	0.00	0.0
November 13	50	42	0.03	0.0
November 14	61	50	0.01	0.0
November 15	54	41	0.16	0.0
November 16	53	39	0.02	0.0
November 17	59	38	0.61	0.0
November 18	60	44	0.01	0.0
November 19	52	32	0.00	0.0
November 20	45	27	0.00	0.0
November 21	37	33	0.10	1.0
November 22	39	32	0.00	0.0
November 23	45	35	0.39	0.0
November 24	47	40	0.04	0.0
November 25	40	35	0.00	0.0
November 26	35	25	0.00	0.0
November 27	34	21	0.20	2.3
November 28	40	26	0.00	0.0
November 29	39	19	0.06	0.6
November 30	49	31	0.00	0.0

December 1978 Williamsport Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	42	23	0.00	0.0
December 2	39	23	0.00	0.0
December 3	41	31	0.33	0.0
December 4	59	40	0.16	0.0
December 5	47	30	0.00	0.0
December 6	53	24	0.00	0.0
December 7	50	27	0.00	0.0
December 8	50	44	0.47	0.0
December 9	44	27	0.63	0.8
December 10	27	18	0.01	0.1
December 11	29	15	0.00	0.0
December 12	38	25	0.00	0.0
December 13	50	31	0.00	0.0
December 14	35	22	0.00	0.0
December 15	49	21	0.00	0.0
December 16	49	26	0.01	0.0
December 17	41	34	0.00	0.0
December 18	40	28	0.00	0.0
December 19	31	17	0.00	0.0
December 20	35	25	0.32	0.0
December 21	39	34	0.17	0.0
December 22	39	27	0.00	0.0
December 23	40	19	0.00	0.0
December 24	39	20	0.44	1.0
December 25	38	29	0.84	2.3
December 26	30	17	0.02	0.3
December 27	29	23	0.00	0.3
December 28	29	17	0.00	0.0
December 29	28	11	0.00	0.0
December 30	35	16	0.00	0.0
December 31	42	33	0.28	0.0

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Weather Station Details

Years	Station	Coordinates
1948–2024	Williamsport	location
1895–1947	Williamsport	location