Kennewick Weather in 1978

Historical record of Kennewick, Washington weather for the year 1978 based on NOAA data.

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1978 Kennewick Weather Extremes
Highest temperature	104 °F	July 26
Lowest temperature	-1 °F	January 2
Highest daily low	65 °F	July 26
Lowest daily high	13 °F	January 2
Most daily precipitation	0.4 inches	December 5
Most daily snow	0.5 inches	December 9

What was the hottest temperature in Kennewick in 1978?

The highest temperature recorded in Kennewick, Washington in 1978 was 104 °F which happened on July 26.

Highest Temperatures: All-Time By Year

Highest Temperatures in Kennewick in 1978

Rank	Temperature	Date
1	104 °F	Jul 26
2	102 °F	Jul 24
3	99 °F	Jul 23
3	99 °F	Jul 15
5	98 °F	Jul 31
5	98 °F	Jul 25
5	98 °F	Jul 16
8	97 °F	Jul 30
8	97 °F	Jun 6
10	95 °F	Jul 22
10	95 °F	Jul 14
10	95 °F	Jun 5

What was the coldest temperature in Kennewick in 1978?

The lowest temperature recorded in Kennewick, Washington in 1978 was -1 °F which happened on Jan 2.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Kennewick in 1978

Rank	Temperature	Date
1	-1 °F	January 2
2	0 °F	December 31
3	1 °F	December 30
3	1 °F	January 3
5	3 °F	January 1
6	5 °F	December 29
7	8 °F	January 4
8	11 °F	November 14
9	12 °F	November 15
10	14 °F	November 13

January 1978 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	24	3	0.00	n/a
January 2	13	-1	0.03	n/a
January 3	16	1	0.22	n/a
January 4	22	8	0.02	n/a
January 5	26	15	0.00	n/a
January 6	48	22	0.00	n/a
January 7	42	29	0.00	n/a
January 8	34	31	0.00	n/a
January 9	36	33	0.27	n/a
January 10	39	34	0.31	n/a
January 11	38	34	0.00	n/a
January 12	40	31	0.03	n/a
January 13	39	33	0.01	n/a
January 14	36	34	0.13	n/a
January 15	41	35	0.33	n/a
January 16	44	36	0.08	n/a
January 17	40	38	0.14	n/a
January 18	43	34	0.02	n/a
January 19	41	35	0.02	n/a
January 20	44	39	0.01	n/a
January 21	49	33	0.00	n/a
January 22	48	35	0.00	n/a
January 23	48	24	0.00	n/a
January 24	46	25	0.00	n/a
January 25	43	29	0.02	n/a
January 26	39	32	0.00	n/a
January 27	51	27	0.00	n/a
January 28	41	31	0.00	n/a
January 29	37	31	0.14	n/a
January 30	38	33	0.00	n/a
January 31	35	29	0.06	n/a

February 1978 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	34	30	0.00
February 2	31	25	0.00
February 3	45	27	0.12
February 4	57	35	0.00
February 5	45	33	0.00
February 6	48	34	0.09
February 7	60	35	0.00
February 8	48	37	0.23
February 9	58	37	0.03
February 10	52	26	0.00
February 11	45	26	0.00
February 12	43	24	0.00
February 13	45	28	0.00
February 14	43	27	0.00
February 15	45	31	0.12
February 16	51	26	0.00
February 17	49	26	0.00
February 18	43	28	0.00
February 19	42	31	0.01
February 20	44	38	0.00
February 21	44	39	0.00
February 22	45	40	0.00
February 23	44	40	0.00
February 24	56	40	0.00
February 25	44	35	0.10
February 26	43	35	0.30
February 27	44	37	0.00
February 28	52	39	0.01

March 1978 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	53	29	0.00
March 2	50	29	0.00
March 3	47	27	0.00
March 4	38	28	0.00
March 5	36	31	0.07
March 6	42	28	0.00
March 7	53	31	0.00
March 8	51	42	0.03
March 9	50	38	0.08
March 10	59	31	0.00
March 11	57	32	0.00
March 12	54	37	0.00
March 13	55	40	0.00
March 14	59	37	0.00
March 15	57	27	0.00
March 16	63	29	0.00
March 17	64	34	0.00
March 18	75	39	0.00
March 19	75	40	0.00
March 20	69	35	0.00
March 21	74	37	0.00
March 22	75	41	0.00
March 23	74	42	0.00
March 24	53	44	0.18
March 25	63	46	0.00
March 26	64	41	0.00
March 27	73	41	0.00
March 28	73	42	0.00
March 29	72	44	0.00
March 30	71	46	0.00
March 31	67	39	0.00

April 1978 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	65	42	0.00
April 2	56	41	0.00
April 3	60	42	0.00
April 4	66	44	0.00
April 5	57	43	0.01
April 6	49	43	0.00
April 7	61	42	0.02
April 8	64	38	0.00
April 9	65	35	0.00
April 10	70	39	0.00
April 11	75	41	0.00
April 12	63	33	0.00
April 13	65	33	0.00
April 14	64	40	0.00
April 15	66	45	0.07
April 16	71	41	0.12
April 17	65	38	0.13
April 18	64	39	0.00
April 19	71	44	0.00
April 20	67	44	0.00
April 21	62	41	0.00
April 22	60	40	0.00
April 23	58	41	0.00
April 24	64	47	0.00
April 25	73	49	0.00
April 26	68	55	0.03
April 27	66	51	0.10
April 28	55	47	0.25
April 29	66	43	0.00
April 30	65	40	0.00

May 1978 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	73	44	0.00
May 2	73	49	0.00
May 3	73	43	0.00
May 4	64	37	0.00
May 5	60	41	0.00
May 6	63	43	0.00
May 7	72	41	0.00
May 8	79	46	0.00
May 9	81	51	0.04
May 10	72	48	0.00
May 11	68	48	0.00
May 12	68	45	0.00
May 13	67	n/a	0.00
May 14	65	52	0.08
May 15	62	48	0.31
May 16	68	47	0.00
May 17	70	46	0.00
May 18	73	46	0.00
May 19	79	n/a	0.00
May 20	84	51	0.00
May 21	87	n/a	0.00
May 22	81	42	0.00
May 23	66	38	0.00
May 24	69	45	0.00
May 25	68	46	0.00
May 26	68	45	0.00
May 27	72	51	0.00
May 28	76	51	0.00
May 29	72	46	0.00
May 30	70	41	0.00
May 31	74	49	0.00

June 1978 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	78	52	0.00
June 2	84	51	0.00
June 3	89	54	0.00
June 4	92	56	0.00
June 5	95	58	0.00
June 6	97	65	0.00
June 7	93	59	0.00
June 8	85	59	0.00
June 9	90	57	0.00
June 10	74	52	0.00
June 11	71	52	0.00
June 12	81	56	0.00
June 13	77	53	0.26
June 14	74	49	0.00
June 15	74	48	0.00
June 16	78	51	0.00
June 17	85	51	0.00
June 18	90	49	0.00
June 19	83	51	0.00
June 20	89	55	0.00
June 21	85	56	0.00
June 22	84	58	0.00
June 23	83	58	0.00
June 24	75	55	0.00
June 25	65	55	0.00
June 26	78	53	0.00
June 27	82	52	0.00
June 28	90	56	0.00
June 29	94	60	0.00
June 30	88	62	0.00

July 1978 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	88	62	0.00
July 2	84	55	0.03
July 3	81	57	0.38
July 4	75	54	0.05
July 5	74	n/a	0.03
July 6	83	57	0.00
July 7	86	n/a	0.00
July 8	92	65	0.00
July 9	88	59	0.00
July 10	89	52	0.00
July 11	77	55	0.00
July 12	81	54	0.00
July 13	87	56	0.00
July 14	95	61	0.00
July 15	99	63	0.00
July 16	98	60	0.00
July 17	75	55	0.00
July 18	84	56	0.00
July 19	85	58	0.00
July 20	87	58	0.00
July 21	91	56	0.00
July 22	95	60	0.00
July 23	99	61	0.00
July 24	102	63	0.00
July 25	98	60	0.00
July 26	104	65	0.00
July 27	90	61	0.00
July 28	90	54	0.00
July 29	93	56	0.00
July 30	97	59	0.00
July 31	98	58	0.00

August 1978 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
August 1	n/a	n/a	n/a	n/a
August 2	n/a	n/a	n/a	n/a
August 3	n/a	n/a	n/a	n/a
August 4	n/a	n/a	n/a	n/a
August 5	n/a	n/a	n/a	n/a
August 6	n/a	n/a	n/a	n/a
August 7	n/a	n/a	n/a	n/a
August 8	n/a	n/a	n/a	n/a
August 9	n/a	n/a	n/a	n/a
August 10	n/a	n/a	n/a	n/a
August 11	n/a	n/a	n/a	n/a
August 12	n/a	n/a	n/a	n/a
August 13	n/a	n/a	n/a	n/a
August 14	n/a	n/a	n/a	n/a
August 15	n/a	n/a	n/a	n/a
August 16	n/a	n/a	n/a	n/a
August 17	n/a	n/a	n/a	n/a
August 18	n/a	n/a	n/a	n/a
August 19	n/a	n/a	n/a	n/a
August 20	n/a	n/a	n/a	n/a
August 21	n/a	n/a	n/a	n/a
August 22	n/a	n/a	n/a	n/a
August 23	n/a	n/a	n/a	n/a
August 24	n/a	n/a	n/a	n/a
August 25	n/a	n/a	n/a	n/a
August 26	n/a	n/a	n/a	n/a
August 27	n/a	n/a	n/a	n/a
August 28	n/a	n/a	n/a	n/a
August 29	n/a	n/a	n/a	n/a
August 30	n/a	n/a	n/a	n/a
August 31	n/a	n/a	n/a	n/a

September 1978 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	73	55	0.00
September 2	85	57	0.00
September 3	88	55	0.00
September 4	87	58	0.00
September 5	77	52	n/a
September 6	71	56	n/a
September 7	76	55	n/a
September 8	59	50	n/a
September 9	74	51	n/a
September 10	69	49	n/a
September 11	73	52	0.00
September 12	74	48	0.00
September 13	76	47	0.00
September 14	72	n/a	0.00
September 15	76	52	0.00
September 16	73	42	0.00
September 17	70	43	0.00
September 18	62	37	0.00
September 19	67	39	0.00
September 20	73	42	0.00
September 21	77	44	0.00
September 22	69	53	0.00
September 23	73	54	0.00
September 24	81	52	0.00
September 25	77	49	0.00
September 26	80	50	0.00
September 27	85	55	0.00
September 28	75	52	0.00
September 29	77	47	0.00
September 30	79	49	0.00

October 1978 Kennewick Weather

Day	High (°F)	Low (°F)
October 1	73	46
October 2	71	37
October 3	75	n/a
October 4	76	39
October 5	74	39
October 6	72	38
October 7	72	38
October 8	71	45
October 9	76	44
October 10	79	46
October 11	73	53
October 12	73	38
October 13	67	34
October 14	68	n/a
October 15	66	33
October 16	65	36
October 17	66	39
October 18	74	38
October 19	71	38
October 20	71	n/a
October 21	72	33
October 22	64	27
October 23	59	28
October 24	64	34
October 25	65	26
October 26	60	26
October 27	56	31
October 28	55	29
October 29	56	31
October 30	55	26
October 31	57	25

November 1978 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	52	24	0.00	0.0
November 2	54	26	0.00	0.0
November 3	55	27	0.00	0.0
November 4	65	42	0.00	0.0
November 5	60	24	0.00	0.0
November 6	55	27	0.00	0.0
November 7	58	28	0.00	0.0
November 8	70	36	0.00	0.0
November 9	59	27	0.00	0.0
November 10	47	25	0.00	0.0
November 11	38	16	0.00	0.0
November 12	38	17	0.00	0.0
November 13	34	14	0.00	0.0
November 14	39	11	0.00	0.0
November 15	38	12	0.00	0.0
November 16	34	15	0.00	0.0
November 17	49	31	0.02	0.0
November 18	50	38	0.00	0.0
November 19	42	21	0.00	0.0
November 20	27	21	0.00	0.0
November 21	28	21	0.00	0.0
November 22	31	20	0.00	0.0
November 23	43	19	0.00	0.0
November 24	32	24	0.00	0.0
November 25	35	28	0.00	0.0
November 26	36	28	0.00	0.0
November 27	33	28	0.00	0.0
November 28	32	27	0.17	n/a
November 29	32	29	0.08	n/a
November 30	44	30	0.28	0.0

December 1978 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	45	33	0.10	0.0
December 2	45	29	0.02	0.0
December 3	45	26	0.00	0.0
December 4	52	30	0.00	0.0
December 5	44	26	0.44	0.0
December 6	45	25	0.00	0.0
December 7	37	17	0.00	0.0
December 8	27	16	0.00	0.0
December 9	30	24	0.03	0.5
December 10	31	21	0.03	0.0
December 11	40	24	0.13	0.0
December 12	48	25	0.00	0.0
December 13	48	20	0.00	0.0
December 14	45	22	0.00	0.0
December 15	49	32	0.00	0.0
December 16	46	23	0.00	0.0
December 17	34	26	0.00	0.0
December 18	35	23	0.03	0.0
December 19	41	19	0.00	0.0
December 20	31	21	0.00	0.0
December 21	45	26	0.00	0.0
December 22	49	31	0.00	0.0
December 23	53	28	0.00	0.0
December 24	53	37	0.00	0.0
December 25	54	20	0.00	0.0
December 26	44	22	0.00	0.0
December 27	37	17	0.00	0.0
December 28	32	19	0.04	0.0
December 29	25	5	0.00	0.0
December 30	20	1	0.00	0.0
December 31	14	0	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1999–2024	Pasco Tri Cities Airport	location
1894–1998	Kennewick	location