Kennewick Weather in 2021

Historical record of Kennewick, Washington weather for the year 2021 based on NOAA data.

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2021 Kennewick Weather Extremes
Highest temperature	115 °F	June 27
Lowest temperature	-5 °F	December 31
Highest daily low	74 °F	June 30
Lowest daily high	21 °F	December 28
Most daily precipitation	0.7 inches	December 19
Total annual precipitation	5.4 inches	-

What was the hottest temperature in Kennewick in 2021?

The highest temperature recorded in Kennewick, Washington in 2021 was 115 °F which happened on June 27.

Highest Temperatures: All-Time By Year

Highest Temperatures in Kennewick in 2021

Rank	Temperature	Date
1	115 °F	Jun 27
2	114 °F	Jun 28
3	113 °F	Jun 30
3	113 °F	Jun 29
5	110 °F	Jun 26
6	107 °F	Aug 11
7	105 °F	Jul 31
7	105 °F	Jul 14
9	104 °F	Aug 15
9	104 °F	Jun 2

What was the coldest temperature in Kennewick in 2021?

The lowest temperature recorded in Kennewick, Washington in 2021 was -5 °F which happened on Dec 31.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Kennewick in 2021

Rank	Temperature	Date
1	-5 °F	December 31
2	6 °F	February 17
3	12 °F	February 10
4	14 °F	December 28
4	14 °F	December 27
4	14 °F	February 16
7	15 °F	February 11
8	16 °F	December 29
8	16 °F	January 23
10	17 °F	December 30
10	17 °F	December 26
10	17 °F	February 18
10	17 °F	February 14
10	17 °F	February 12

January 2021 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	46	30	0.01
January 2	55	41	0.00
January 3	56	40	0.00
January 4	53	40	0.13
January 5	53	37	0.00
January 6	54	41	0.10
January 7	49	31	0.00
January 8	41	31	0.09
January 9	44	32	0.00
January 10	44	33	0.00
January 11	42	33	0.00
January 12	60	38	0.04
January 13	66	35	0.00
January 14	50	28	0.00
January 15	47	26	0.00
January 16	42	24	0.00
January 17	53	27	0.00
January 18	50	23	0.00
January 19	41	20	0.00
January 20	43	26	0.00
January 21	39	33	0.04
January 22	43	23	0.00
January 23	42	16	0.00
January 24	36	22	0.03
January 25	36	30	0.05
January 26	44	32	0.00
January 27	46	33	0.01
January 28	48	28	0.00
January 29	43	29	0.00
January 30	50	30	0.00
January 31	57	34	0.01

February 2021 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
February 1	64	43	0.00
February 2	56	36	0.04
February 3	49	32	0.01
February 4	54	31	0.00
February 5	64	40	0.00
February 6	55	42	0.00
February 7	53	27	0.00
February 8	45	24	0.00
February 9	39	20	0.00
February 10	39	12	0.00
February 11	32	15	0.01
February 12	21	17	0.10
February 13	25	19	0.11
February 14	26	17	0.18
February 15	29	22	0.20
February 16	32	14	0.00
February 17	33	6	0.00
February 18	31	17	0.00
February 19	39	22	0.00
February 20	41	20	0.00
February 21	50	40	0.00
February 22	62	45	0.00
February 23	57	36	0.00
February 24	51	29	0.00
February 25	58	32	0.00
February 26	55	37	0.00
February 27	53	31	0.00
February 28	60	36	0.00

March 2021 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	64	30	0.00
March 2	66	32	0.00
March 3	65	28	0.00
March 4	64	27	0.00
March 5	74	29	0.00
March 6	58	37	0.00
March 7	58	34	0.00
March 8	57	30	0.00
March 9	58	29	0.00
March 10	58	23	0.00
March 11	59	23	0.00
March 12	62	24	0.00
March 13	64	25	0.00
March 14	59	27	0.00
March 15	52	42	0.01
March 16	58	32	0.00
March 17	64	26	0.00
March 18	66	31	0.00
March 19	64	43	0.00
March 20	62	43	0.00
March 21	56	36	0.01
March 22	62	43	0.00
March 23	61	25	0.00
March 24	57	43	0.00
March 25	59	35	0.10
March 26	64	30	0.00
March 27	67	36	0.00
March 28	75	42	0.00
March 29	57	35	0.00
March 30	58	21	0.00
March 31	67	25	0.00

April 2021 Kennewick Weather

Day	High (°F)	Low (°F)
April 1	78	31
April 2	72	33
April 3	66	36
April 4	67	36
April 5	63	36
April 6	70	29
April 7	65	34
April 8	61	37
April 9	67	29
April 10	59	33
April 11	58	23
April 12	65	21
April 13	67	39
April 14	73	37
April 15	77	43
April 16	79	35
April 17	80	33
April 18	87	35
April 19	67	37
April 20	71	34
April 21	75	31
April 22	78	40
April 23	70	36
April 24	66	50
April 25	69	46
April 26	71	36
April 27	74	39
April 28	80	40
April 29	89	45
April 30	82	58

May 2021 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	79	56	0.01
May 2	72	45	0.00
May 3	76	36	0.00
May 4	77	45	0.00
May 5	84	38	0.00
May 6	89	43	0.00
May 7	67	47	0.01
May 8	68	43	0.00
May 9	71	36	0.00
May 10	78	39	0.00
May 11	80	42	0.00
May 12	84	46	0.00
May 13	83	49	0.00
May 14	87	52	0.00
May 15	89	50	0.00
May 16	93	49	0.00
May 17	89	56	0.00
May 18	71	53	0.00
May 19	69	49	0.00
May 20	68	47	0.00
May 21	73	45	0.00
May 22	68	47	0.02
May 23	81	50	0.07
May 24	80	54	0.00
May 25	78	57	0.08
May 26	81	52	0.00
May 27	80	54	0.00
May 28	75	52	0.00
May 29	81	40	0.00
May 30	87	44	0.00
May 31	93	49	0.00

June 2021 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	98	57	0.00
June 2	104	57	0.00
June 3	99	66	0.00
June 4	92	59	0.00
June 5	80	55	0.00
June 6	70	47	0.00
June 7	70	54	0.00
June 8	79	50	0.00
June 9	78	58	0.00
June 10	79	51	0.00
June 11	76	51	0.07
June 12	86	59	0.02
June 13	94	62	0.00
June 14	89	61	0.00
June 15	76	57	0.10
June 16	82	47	0.00
June 17	90	46	0.00
June 18	95	49	0.00
June 19	93	54	0.00
June 20	91	63	0.00
June 21	96	59	0.00
June 22	98	62	0.00
June 23	99	72	0.00
June 24	99	57	0.00
June 25	99	69	0.00
June 26	110	64	0.00
June 27	115	67	0.00
June 28	114	70	0.00
June 29	113	69	0.00
June 30	113	74	0.00

July 2021 Kennewick Weather

Day	High (°F)	Low (°F)
July 1	99	72
July 2	96	67
July 3	102	61
July 4	101	73
July 5	101	69
July 6	102	58
July 7	99	65
July 8	96	57
July 9	96	62
July 10	103	57
July 11	101	59
July 12	102	57
July 13	103	64
July 14	105	63
July 15	98	66
July 16	93	65
July 17	92	58
July 18	97	64
July 19	94	61
July 20	96	69
July 21	89	66
July 22	86	53
July 23	93	54
July 24	98	57
July 25	103	60
July 26	94	59
July 27	83	63
July 28	96	61
July 29	103	60
July 30	101	64
July 31	105	70

August 2021 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	93	73	0.00
August 2	101	68	0.00
August 3	100	64	0.00
August 4	100	65	0.00
August 5	93	63	0.00
August 6	94	70	0.00
August 7	98	68	0.00
August 8	84	60	0.00
August 9	87	51	0.00
August 10	94	56	0.00
August 11	107	61	0.00
August 12	99	66	0.00
August 13	97	61	0.00
August 14	103	62	0.00
August 15	104	64	0.00
August 16	103	60	0.00
August 17	78	63	0.00
August 18	83	59	0.01
August 19	89	52	0.00
August 20	83	57	0.00
August 21	81	59	0.00
August 22	85	57	0.00
August 23	77	45	0.00
August 24	84	43	0.00
August 25	87	45	0.00
August 26	85	56	0.00
August 27	84	59	0.00
August 28	87	48	0.00
August 29	91	49	0.00
August 30	88	51	0.00
August 31	77	51	0.00

September 2021 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	78	43	0.00
September 2	82	47	0.00
September 3	86	47	0.00
September 4	89	48	0.00
September 5	96	54	0.00
September 6	90	56	0.00
September 7	88	50	0.00
September 8	96	56	0.00
September 9	87	54	0.00
September 10	75	63	0.06
September 11	79	55	0.00
September 12	84	52	0.00
September 13	79	52	0.00
September 14	86	46	0.00
September 15	82	54	0.00
September 16	72	45	0.00
September 17	74	42	0.00
September 18	75	58	0.04
September 19	75	55	0.00
September 20	75	45	0.00
September 21	79	39	0.00
September 22	78	43	0.00
September 23	82	45	0.00
September 24	83	43	0.00
September 25	91	46	0.00
September 26	88	58	0.00
September 27	80	57	0.20
September 28	71	52	0.00
September 29	71	45	0.00
September 30	83	44	0.11

October 2021 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	71	45	0.00
October 2	74	38	0.00
October 3	79	43	0.00
October 4	75	43	0.00
October 5	77	46	0.00
October 6	68	44	0.00
October 7	65	33	0.00
October 8	65	37	0.00
October 9	72	34	0.00
October 10	69	42	0.00
October 11	63	35	0.00
October 12	59	28	0.00
October 13	62	41	0.05
October 14	67	39	0.00
October 15	72	43	0.00
October 16	73	37	0.00
October 17	68	36	0.00
October 18	71	38	0.00
October 19	66	37	0.00
October 20	72	40	0.00
October 21	70	45	0.00
October 22	63	53	0.34
October 23	66	48	0.06
October 24	65	44	0.28
October 25	65	40	0.00
October 26	67	52	0.02
October 27	63	49	0.00
October 28	73	53	0.00
October 29	68	38	0.13
October 30	57	31	0.00
October 31	52	31	0.00

November 2021 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	50	31	0.03
November 2	52	36	0.01
November 3	53	41	0.00
November 4	67	49	0.18
November 5	57	36	0.00
November 6	58	35	0.00
November 7	57	38	0.00
November 8	61	34	0.00
November 9	58	40	0.13
November 10	57	41	0.00
November 11	50	43	0.59
November 12	55	45	0.14
November 13	59	35	0.00
November 14	71	48	0.00
November 15	68	45	0.00
November 16	55	29	0.00
November 17	50	23	0.00
November 18	43	32	0.09
November 19	44	30	0.23
November 20	47	27	0.00
November 21	38	32	0.00
November 22	39	36	0.00
November 23	55	31	0.06
November 24	51	30	0.00
November 25	52	36	0.00
November 26	61	45	0.00
November 27	56	41	0.00
November 28	65	52	0.00
November 29	64	48	0.00
November 30	64	48	0.00

December 2021 Kennewick Weather

Day	High (°F)	Low (°F)	Precip. (inches)
December 1	71	56	0.00
December 2	62	38	0.00
December 3	50	29	0.00
December 4	46	32	0.00
December 5	47	28	0.00
December 6	43	32	0.00
December 7	42	37	0.01
December 8	56	27	0.01
December 9	46	22	0.00
December 10	50	26	0.00
December 11	57	48	0.00
December 12	48	34	0.00
December 13	45	28	0.00
December 14	46	32	0.00
December 15	46	27	0.00
December 16	44	32	0.02
December 17	42	28	0.00
December 18	49	29	0.11
December 19	44	32	0.69
December 20	33	30	0.03
December 21	32	28	0.00
December 22	46	32	0.03
December 23	46	34	0.00
December 24	48	38	0.00
December 25	46	32	0.00
December 26	39	17	0.00
December 27	22	14	0.00
December 28	21	14	0.01
December 29	24	16	0.00
December 30	24	17	0.09
December 31	24	-5	0.00

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Weather Station Details

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