Lewiston Weather in 2018

Historical record of Lewiston, Idaho weather for the year 2018 based on NOAA data.

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2018 Lewiston Weather Extremes
Highest temperature	111 °F	August 9
Lowest temperature	11 °F	February 20
Highest daily low	72 °F	August 17
Lowest daily high	29 °F	December 8
Most daily precipitation	1.0 inches	May 18
Most daily snow	0.7 inches	February 22
Total annual precipitation	12.9 inches	-
Total annual snow	1.6 inches	-

What was the hottest temperature in Lewiston in 2018?

The highest temperature recorded in Lewiston, Idaho in 2018 was 111 °F which happened on August 9.

Highest Temperatures: All-Time By Year

Highest Temperatures in Lewiston in 2018

Rank	Temperature	Date
1	111 °F	Aug 9
2	108 °F	Aug 10
3	105 °F	Aug 8
4	103 °F	Jul 30
5	102 °F	Jul 17
5	102 °F	Jul 13
7	101 °F	Jul 25
7	101 °F	Jul 24
9	100 °F	Aug 16
9	100 °F	Jul 29
9	100 °F	Jul 27
9	100 °F	Jul 26

What was the coldest temperature in Lewiston in 2018?

The lowest temperature recorded in Lewiston, Idaho in 2018 was 11 °F which happened on Feb 20.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Lewiston in 2018

Rank	Temperature	Date
1	11 °F	February 20
2	14 °F	February 19
3	16 °F	December 7
4	17 °F	February 21
5	19 °F	December 6
5	19 °F	December 5
7	20 °F	February 13
8	21 °F	December 31
9	22 °F	December 9
9	22 °F	December 8
9	22 °F	February 22

January 2018 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
January 1	31	28	0.00
January 2	30	28	0.00
January 3	36	27	0.00
January 4	33	28	0.01
January 5	44	32	0.24
January 6	42	35	0.00
January 7	45	36	0.00
January 8	53	39	0.03
January 9	47	42	0.10
January 10	49	35	0.00
January 11	43	35	0.47
January 12	48	40	0.03
January 13	50	39	0.02
January 14	51	37	0.00
January 15	50	32	0.00
January 16	48	35	0.14
January 17	52	35	0.00
January 18	51	36	0.19
January 19	43	34	0.01
January 20	43	30	0.00
January 21	44	32	0.00
January 22	48	31	0.02
January 23	44	29	0.00
January 24	49	40	0.01
January 25	47	36	0.06
January 26	46	33	0.03
January 27	50	37	0.00
January 28	50	41	0.01
January 29	58	44	0.00
January 30	53	33	0.00
January 31	44	31	0.00

February 2018 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	43	29	0.19	0.0
February 2	50	40	0.28	0.0
February 3	61	43	0.00	0.0
February 4	61	48	0.08	0.0
February 5	54	47	0.00	0.0
February 6	54	42	0.00	0.0
February 7	61	41	0.00	0.0
February 8	63	45	0.00	0.0
February 9	50	38	0.00	0.0
February 10	44	27	0.00	0.0
February 11	42	25	0.00	0.0
February 12	37	23	0.00	0.0
February 13	48	20	0.00	0.0
February 14	47	34	0.06	0.0
February 15	46	30	0.04	0.2
February 16	49	32	0.00	0.0
February 17	51	37	0.02	0.0
February 18	44	29	0.00	0.0
February 19	29	14	0.00	0.1
February 20	29	11	0.00	0.0
February 21	33	17	0.00	0.0
February 22	31	22	0.03	0.7
February 23	36	26	0.00	0.0
February 24	39	27	0.02	0.1
February 25	44	29	0.00	0.0
February 26	44	26	0.00	0.0
February 27	43	24	0.00	0.0
February 28	49	33	0.00	0.0

March 2018 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
March 1	56	35	0.19
March 2	48	31	0.03
March 3	48	27	0.00
March 4	49	30	0.00
March 5	49	36	0.00
March 6	53	30	0.00
March 7	59	29	0.00
March 8	64	43	0.01
March 9	55	36	0.00
March 10	56	30	0.00
March 11	60	34	0.00
March 12	67	34	0.00
March 13	72	41	0.00
March 14	51	45	0.31
March 15	50	37	0.00
March 16	56	31	0.00
March 17	45	39	0.49
March 18	50	34	0.01
March 19	53	31	0.00
March 20	59	31	0.00
March 21	60	39	0.00
March 22	57	42	0.26
March 23	55	36	0.00
March 24	52	33	0.03
March 25	52	28	0.02
March 26	53	34	0.00
March 27	58	40	0.00
March 28	59	41	0.00
March 29	60	35	0.00
March 30	65	40	0.00
March 31	59	37	0.00

April 2018 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	54	35	0.04
April 2	50	32	0.06
April 3	57	35	0.00
April 4	52	42	0.23
April 5	54	45	0.24
April 6	65	49	0.05
April 7	57	47	0.21
April 8	54	46	0.02
April 9	65	44	0.00
April 10	61	46	0.03
April 11	63	46	0.06
April 12	57	42	0.08
April 13	56	36	0.00
April 14	61	44	0.00
April 15	62	46	0.14
April 16	54	42	0.25
April 17	57	40	0.05
April 18	63	34	0.00
April 19	66	39	0.00
April 20	69	38	0.00
April 21	64	45	0.00
April 22	61	34	0.00
April 23	68	37	0.00
April 24	76	40	0.00
April 25	78	48	0.00
April 26	83	45	0.00
April 27	90	49	0.00
April 28	59	47	0.36
April 29	63	44	0.00
April 30	66	43	0.00

May 2018 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	66	48	0.01
May 2	72	43	0.00
May 3	80	47	0.00
May 4	81	53	0.00
May 5	77	55	0.00
May 6	79	56	0.11
May 7	73	55	0.00
May 8	82	52	0.20
May 9	69	50	0.16
May 10	62	49	0.07
May 11	60	48	0.00
May 12	79	43	0.00
May 13	84	49	0.00
May 14	87	51	0.00
May 15	90	55	0.00
May 16	72	58	0.63
May 17	71	58	0.09
May 18	71	57	0.99
May 19	78	54	0.00
May 20	77	54	0.00
May 21	80	60	0.00
May 22	87	55	0.00
May 23	78	60	0.00
May 24	81	62	0.00
May 25	85	58	0.16
May 26	71	54	0.32
May 27	80	50	0.00
May 28	86	54	0.00
May 29	78	56	0.00
May 30	70	52	0.03
May 31	69	52	0.00

June 2018 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	72	51	0.00
June 2	84	47	0.00
June 3	90	56	0.02
June 4	76	54	0.00
June 5	77	46	0.00
June 6	84	50	0.00
June 7	85	57	0.00
June 8	87	56	0.00
June 9	65	53	0.55
June 10	65	51	0.12
June 11	70	49	0.16
June 12	78	45	0.00
June 13	83	57	0.00
June 14	74	54	0.00
June 15	79	49	0.00
June 16	69	51	0.09
June 17	77	52	0.00
June 18	68	60	0.15
June 19	81	62	0.00
June 20	88	59	0.00
June 21	82	66	0.00
June 22	86	60	0.00
June 23	82	60	0.00
June 24	89	56	0.00
June 25	83	63	0.00
June 26	78	51	0.00
June 27	85	51	0.00
June 28	77	62	0.00
June 29	80	60	0.06
June 30	83	55	0.00

July 2018 Lewiston Weather

Day	High (°F)	Low (°F)
July 1	84	64
July 2	74	55
July 3	74	52
July 4	86	49
July 5	96	56
July 6	91	61
July 7	87	61
July 8	92	55
July 9	97	60
July 10	86	65
July 11	89	59
July 12	94	60
July 13	102	65
July 14	97	67
July 15	96	60
July 16	98	62
July 17	102	63
July 18	97	64
July 19	94	62
July 20	88	57
July 21	86	52
July 22	91	55
July 23	98	59
July 24	101	63
July 25	101	63
July 26	100	64
July 27	100	65
July 28	99	65
July 29	100	66
July 30	103	66
July 31	99	71

August 2018 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	99	71	0.00
August 2	95	60	0.00
August 3	85	60	0.00
August 4	89	57	0.00
August 5	92	61	0.00
August 6	97	62	0.00
August 7	98	60	0.00
August 8	105	65	0.00
August 9	111	71	0.00
August 10	108	72	0.00
August 11	93	69	0.00
August 12	84	59	0.00
August 13	87	56	0.00
August 14	94	57	0.00
August 15	97	58	0.00
August 16	100	67	0.00
August 17	93	72	0.01
August 18	91	63	0.00
August 19	97	60	0.00
August 20	84	62	0.00
August 21	86	55	0.00
August 22	90	60	0.00
August 23	91	59	0.00
August 24	80	57	0.00
August 25	78	49	0.00
August 26	68	57	0.18
August 27	67	52	0.27
August 28	80	50	0.00
August 29	90	54	0.00
August 30	81	64	0.00
August 31	79	59	0.00

September 2018 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	81	51	0.00
September 2	84	49	0.00
September 3	83	52	0.00
September 4	85	53	0.00
September 5	89	53	0.00
September 6	92	58	0.00
September 7	92	58	0.00
September 8	82	59	0.00
September 9	82	52	0.00
September 10	80	52	0.00
September 11	71	50	0.00
September 12	73	46	0.00
September 13	67	48	0.04
September 14	77	45	0.00
September 15	72	46	0.00
September 16	75	50	0.00
September 17	72	51	0.00
September 18	74	50	0.00
September 19	75	42	0.00
September 20	73	46	0.00
September 21	81	46	0.00
September 22	72	57	0.00
September 23	69	49	0.00
September 24	71	45	0.00
September 25	74	43	0.00
September 26	77	44	0.00
September 27	81	47	0.00
September 28	80	51	0.00
September 29	78	48	0.00
September 30	65	46	0.00

October 2018 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	73	45	0.00
October 2	66	54	0.11
October 3	64	37	0.00
October 4	60	44	0.00
October 5	61	35	0.00
October 6	53	47	0.05
October 7	64	44	0.00
October 8	63	45	0.01
October 9	53	49	0.10
October 10	59	42	0.00
October 11	63	35	0.00
October 12	69	40	0.00
October 13	61	37	0.00
October 14	60	31	0.00
October 15	62	33	0.00
October 16	65	34	0.00
October 17	65	35	0.00
October 18	66	37	0.00
October 19	68	37	0.00
October 20	70	38	0.00
October 21	68	39	0.00
October 22	68	39	0.00
October 23	63	41	0.20
October 24	66	46	0.00
October 25	61	44	0.00
October 26	62	52	0.05
October 27	65	48	0.05
October 28	58	46	0.18
October 29	58	40	0.21
October 30	58	39	0.00
October 31	53	42	0.04

November 2018 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	53	47	0.06
November 2	67	48	0.18
November 3	58	47	0.03
November 4	66	47	0.19
November 5	55	46	0.06
November 6	56	44	0.00
November 7	51	35	0.00
November 8	48	27	0.00
November 9	41	27	0.00
November 10	44	27	0.00
November 11	43	26	0.00
November 12	43	24	0.00
November 13	47	27	0.00
November 14	53	28	0.00
November 15	55	37	0.00
November 16	52	36	0.02
November 17	42	30	0.00
November 18	41	25	0.00
November 19	47	27	0.00
November 20	47	27	0.00
November 21	47	30	0.00
November 22	50	39	0.07
November 23	55	39	0.35
November 24	50	35	0.00
November 25	48	31	0.00
November 26	50	31	0.12
November 27	48	40	0.12
November 28	55	41	0.06
November 29	51	34	0.02
November 30	39	32	0.14

December 2018 Lewiston Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	38	33	0.01	0.0
December 2	40	35	0.01	0.0
December 3	43	28	0.00	0.0
December 4	40	24	0.00	0.0
December 5	35	19	0.00	0.0
December 6	32	19	0.00	0.0
December 7	31	16	0.00	0.0
December 8	29	22	0.00	0.0
December 9	43	22	0.00	0.0
December 10	39	32	0.08	0.0
December 11	46	31	0.01	0.0
December 12	49	35	0.00	0.0
December 13	48	33	0.00	0.0
December 14	48	35	0.00	0.0
December 15	n/a	40	0.00	0.0
December 16	52	44	0.07	0.0
December 17	48	41	0.01	0.0
December 18	51	41	0.16	0.0
December 19	52	38	0.00	0.0
December 20	53	40	0.00	0.0
December 21	45	35	0.00	0.0
December 22	42	27	0.00	0.0
December 23	46	36	0.03	0.0
December 24	41	36	0.23	0.0
December 25	38	34	0.00	0.0
December 26	39	32	0.06	0.1
December 27	36	32	0.01	0.2
December 28	37	30	0.00	0.0
December 29	50	33	0.09	0.2
December 30	47	30	0.03	0.0
December 31	38	21	0.00	0.0

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Weather Station Details

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