Lewiston Weather in 2021

Historical record of Lewiston, Idaho weather for the year 2021 based on NOAA data.

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2021 Lewiston Weather Extremes
Highest temperature	115 °F	June 29
Lowest temperature	5 °F	December 31
Highest daily low	79 °F	July 1
Lowest daily high	21 °F	December 28
Most daily precipitation	0.5 inches	December 30
Most daily snow	7.2 inches	December 30
Total annual precipitation	8.6 inches	-
Total annual snow	22.2 inches	-

What was the hottest temperature in Lewiston in 2021?

The highest temperature recorded in Lewiston, Idaho in 2021 was 115 °F which happened on June 29.

Highest Temperatures: All-Time By Year

Highest Temperatures in Lewiston in 2021

Rank	Temperature	Date
1	115 °F	Jun 29
2	113 °F	Jun 30
3	112 °F	Jun 28
4	109 °F	Jul 31
4	109 °F	Jul 30
6	107 °F	Jun 27
7	104 °F	Jul 29
7	104 °F	Jul 6
9	103 °F	Aug 11
9	103 °F	Aug 3
9	103 °F	Jul 14
9	103 °F	Jun 26

What was the coldest temperature in Lewiston in 2021?

The lowest temperature recorded in Lewiston, Idaho in 2021 was 5 °F which happened on Dec 31.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Lewiston in 2021

Rank	Temperature	Date
1	5 °F	December 31
2	10 °F	December 27
3	11 °F	December 29
3	11 °F	February 14
5	13 °F	December 30
5	13 °F	December 28
7	16 °F	February 13
8	18 °F	February 12
9	20 °F	February 18
9	20 °F	February 11

January 2021 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	50	30	0.00	0.0
January 2	49	42	0.00	0.0
January 3	54	41	0.03	0.0
January 4	47	40	0.00	0.0
January 5	49	39	0.01	0.0
January 6	49	40	0.01	0.0
January 7	43	34	0.07	0.0
January 8	45	32	0.00	0.0
January 9	44	32	0.00	0.0
January 10	48	34	0.00	0.0
January 11	47	37	0.00	0.0
January 12	49	36	0.19	0.0
January 13	55	34	0.11	0.0
January 14	46	29	0.00	0.0
January 15	40	31	0.05	0.0
January 16	38	31	0.00	0.0
January 17	49	33	0.01	0.0
January 18	42	29	0.00	0.0
January 19	43	30	0.00	0.0
January 20	40	27	0.00	0.0
January 21	38	33	0.04	0.0
January 22	40	35	0.00	0.0
January 23	39	25	0.00	0.0
January 24	38	21	0.00	0.0
January 25	33	28	0.02	0.2
January 26	40	29	0.00	0.0
January 27	48	33	0.00	0.0
January 28	41	29	0.00	0.0
January 29	42	33	0.02	0.0
January 30	51	32	0.00	0.0
January 31	59	38	0.01	0.0

February 2021 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	55	38	0.00	0.0
February 2	52	33	0.13	0.0
February 3	40	30	0.04	0.0
February 4	45	32	0.04	0.0
February 5	55	38	0.02	0.0
February 6	55	41	0.00	0.0
February 7	47	33	0.21	0.3
February 8	41	31	0.00	0.0
February 9	36	28	0.00	0.0
February 10	34	21	0.00	0.0
February 11	33	20	0.00	0.0
February 12	24	18	0.17	2.0
February 13	22	16	0.22	1.8
February 14	23	11	0.07	0.7
February 15	27	21	0.40	3.7
February 16	29	24	0.08	1.6
February 17	37	23	0.00	0.0
February 18	38	20	0.02	0.7
February 19	41	29	0.03	0.0
February 20	44	29	0.00	0.0
February 21	46	34	0.03	0.0
February 22	52	39	0.10	0.0
February 23	50	34	0.08	0.0
February 24	43	31	0.02	0.0
February 25	49	30	0.00	0.0
February 26	46	36	0.00	0.0
February 27	46	33	0.00	0.0
February 28	50	31	0.00	0.0

March 2021 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	55	35	0.00
March 2	62	40	0.00
March 3	61	34	0.00
March 4	64	34	0.00
March 5	63	40	0.00
March 6	48	35	0.02
March 7	47	35	0.00
March 8	47	32	0.00
March 9	54	33	0.00
March 10	53	30	0.00
March 11	56	29	0.00
March 12	58	29	0.00
March 13	60	31	0.00
March 14	63	33	0.00
March 15	51	40	0.00
March 16	54	36	0.00
March 17	61	32	0.00
March 18	71	38	0.00
March 19	55	37	0.07
March 20	55	34	0.00
March 21	54	39	0.00
March 22	54	38	0.08
March 23	55	35	0.00
March 24	47	32	0.09
March 25	49	38	0.11
March 26	59	35	0.01
March 27	64	35	0.00
March 28	70	38	0.03
March 29	50	37	0.00
March 30	53	29	0.00
March 31	65	29	0.00

April 2021 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	74	43	0.00
April 2	71	45	0.00
April 3	67	41	0.00
April 4	65	43	0.00
April 5	57	39	0.00
April 6	66	33	0.00
April 7	68	38	0.00
April 8	56	37	0.00
April 9	63	30	0.00
April 10	53	34	0.00
April 11	53	26	0.00
April 12	61	27	0.00
April 13	62	43	0.00
April 14	67	36	0.00
April 15	71	40	0.00
April 16	72	40	0.00
April 17	77	40	0.00
April 18	80	42	0.00
April 19	64	41	0.00
April 20	66	34	0.00
April 21	70	37	0.00
April 22	70	44	0.00
April 23	70	42	0.00
April 24	58	46	0.03
April 25	57	44	0.02
April 26	67	39	0.00
April 27	70	41	0.00
April 28	76	46	0.00
April 29	83	49	0.00
April 30	78	50	0.00

May 2021 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	73	53	0.11
May 2	68	43	0.00
May 3	71	41	0.00
May 4	72	50	0.00
May 5	81	44	0.00
May 6	92	56	0.00
May 7	62	47	0.00
May 8	62	41	0.00
May 9	67	37	0.00
May 10	70	45	0.00
May 11	76	43	0.00
May 12	81	47	0.00
May 13	80	49	0.00
May 14	84	52	0.00
May 15	86	50	0.00
May 16	89	52	0.00
May 17	89	52	0.00
May 18	67	52	0.00
May 19	57	46	0.00
May 20	58	46	0.00
May 21	60	45	0.00
May 22	70	46	0.00
May 23	76	45	0.00
May 24	75	53	0.01
May 25	66	50	0.04
May 26	77	53	0.00
May 27	81	53	0.00
May 28	70	49	0.00
May 29	80	43	0.00
May 30	85	48	0.00
May 31	90	55	0.00

June 2021 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	94	59	0.00
June 2	101	62	0.00
June 3	97	68	0.00
June 4	92	65	0.04
June 5	76	58	0.00
June 6	65	47	0.00
June 7	71	43	0.04
June 8	78	51	0.00
June 9	72	55	0.01
June 10	73	50	0.00
June 11	79	50	0.00
June 12	82	57	0.08
June 13	98	63	0.00
June 14	92	64	0.00
June 15	73	53	0.24
June 16	80	48	0.00
June 17	86	52	0.00
June 18	93	55	0.00
June 19	90	60	0.00
June 20	90	63	0.00
June 21	97	62	0.00
June 22	98	65	0.00
June 23	98	74	0.00
June 24	95	65	0.00
June 25	96	72	0.00
June 26	103	67	0.00
June 27	107	72	0.00
June 28	112	78	0.00
June 29	115	76	0.00
June 30	113	77	0.00

July 2021 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	101	79	0.00
July 2	100	72	0.00
July 3	101	62	0.00
July 4	101	66	0.00
July 5	100	67	0.00
July 6	104	64	0.00
July 7	97	71	0.00
July 8	96	66	0.00
July 9	95	65	0.00
July 10	95	62	0.00
July 11	98	62	0.00
July 12	99	64	0.00
July 13	102	66	0.00
July 14	103	69	0.00
July 15	96	68	0.00
July 16	91	64	0.00
July 17	91	62	0.00
July 18	95	64	0.00
July 19	94	69	0.00
July 20	90	71	0.00
July 21	88	64	0.01
July 22	85	58	0.00
July 23	92	56	0.00
July 24	98	60	0.00
July 25	102	64	0.00
July 26	98	66	0.00
July 27	95	70	0.00
July 28	98	71	0.01
July 29	104	72	0.00
July 30	109	71	0.00
July 31	109	75	0.00

August 2021 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	90	76	0.00
August 2	99	74	0.00
August 3	103	71	0.00
August 4	100	73	0.00
August 5	98	70	0.00
August 6	90	65	0.00
August 7	93	67	0.00
August 8	78	67	0.00
August 9	87	62	0.00
August 10	94	59	0.00
August 11	103	67	0.00
August 12	101	71	0.00
August 13	99	66	0.00
August 14	101	67	0.00
August 15	102	70	0.00
August 16	99	71	0.00
August 17	79	63	0.02
August 18	78	59	0.00
August 19	87	55	0.00
August 20	85	62	0.18
August 21	70	59	0.03
August 22	83	55	0.00
August 23	75	53	0.00
August 24	83	48	0.00
August 25	83	55	0.00
August 26	83	58	0.00
August 27	80	61	0.00
August 28	86	54	0.00
August 29	92	55	0.00
August 30	90	59	0.00
August 31	75	52	0.00

September 2021 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	76	48	0.00
September 2	79	49	0.00
September 3	85	51	0.00
September 4	87	55	0.00
September 5	91	58	0.00
September 6	90	61	0.00
September 7	91	56	0.00
September 8	92	60	0.00
September 9	86	61	0.01
September 10	79	63	0.02
September 11	81	60	0.00
September 12	81	54	0.00
September 13	77	54	0.00
September 14	83	49	0.00
September 15	80	59	0.00
September 16	71	51	0.00
September 17	78	49	0.00
September 18	67	54	0.36
September 19	69	50	0.03
September 20	71	51	0.00
September 21	81	47	0.00
September 22	79	55	0.00
September 23	78	53	0.00
September 24	84	50	0.00
September 25	88	54	0.00
September 26	85	54	0.00
September 27	79	51	0.08
September 28	65	50	0.19
September 29	68	46	0.00
September 30	80	49	0.00

October 2021 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	72	51	0.00
October 2	74	44	0.00
October 3	79	47	0.00
October 4	74	48	0.00
October 5	79	52	0.00
October 6	60	41	0.09
October 7	63	35	0.00
October 8	57	45	0.02
October 9	66	42	0.00
October 10	65	44	0.02
October 11	56	36	0.00
October 12	57	31	0.00
October 13	48	39	0.00
October 14	57	36	0.00
October 15	67	42	0.00
October 16	77	47	0.00
October 17	78	51	0.00
October 18	66	46	0.00
October 19	66	40	0.00
October 20	70	50	0.00
October 21	73	47	0.00
October 22	66	51	0.15
October 23	62	46	0.01
October 24	58	45	0.16
October 25	57	46	0.07
October 26	58	43	0.04
October 27	63	48	0.00
October 28	72	50	0.00
October 29	66	41	0.20
October 30	48	33	0.00
October 31	48	37	0.00

November 2021 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	52	33	0.01
November 2	57	45	0.02
November 3	62	48	0.00
November 4	56	49	0.19
November 5	55	42	0.25
November 6	48	36	0.05
November 7	46	33	0.00
November 8	54	32	0.00
November 9	52	39	0.07
November 10	55	35	0.00
November 11	45	38	0.35
November 12	56	44	0.26
November 13	56	47	0.03
November 14	69	47	0.00
November 15	63	46	0.00
November 16	49	34	0.00
November 17	45	28	0.00
November 18	46	35	0.00
November 19	46	39	0.26
November 20	46	35	0.00
November 21	48	31	0.00
November 22	57	34	0.00
November 23	47	31	0.11
November 24	48	32	0.00
November 25	54	40	0.00
November 26	59	45	0.00
November 27	55	43	0.04
November 28	62	48	0.00
November 29	55	41	0.24
November 30	53	41	0.01

December 2021 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	64	43	0.00	0.0
December 2	61	43	0.00	0.0
December 3	48	35	0.00	0.0
December 4	45	38	0.05	0.0
December 5	45	30	0.00	0.0
December 6	35	31	0.02	0.0
December 7	43	35	0.02	0.0
December 8	53	35	0.02	0.0
December 9	41	29	0.02	0.0
December 10	42	30	0.00	0.0
December 11	46	40	0.00	0.0
December 12	44	36	0.16	0.0
December 13	42	35	0.15	0.0
December 14	41	30	0.14	0.0
December 15	34	28	0.00	0.0
December 16	36	31	0.03	0.0
December 17	35	27	0.00	0.0
December 18	47	29	0.00	0.0
December 19	44	35	0.23	0.0
December 20	36	31	0.17	0.0
December 21	34	31	0.00	0.0
December 22	46	31	0.00	0.0
December 23	47	37	0.01	0.0
December 24	42	36	0.00	0.0
December 25	45	32	0.00	0.0
December 26	37	24	0.05	0.5
December 27	27	10	0.07	1.0
December 28	21	13	0.09	2.0
December 29	22	11	0.01	0.5
December 30	23	13	0.50	7.2
December 31	22	5	0.03	n/a

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Weather Station Details

Years	Station	Coordinates
1948–2024	Lewiston Nez Perce County Airport	location
1894–1947	Lewiston WTP	location