Portland Weather in 2021

Historical record of Portland, Maine weather for the year 2021 based on NOAA data.

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2021 Portland Weather Extremes
Highest temperature	97 °F	June 28
Lowest temperature	-1 °F	February 12
Highest daily low	75 °F	June 29
Lowest daily high	19 °F	January 30
Most daily precipitation	2.8 inches	October 30
Most daily snow	6.7 inches	February 2
Total annual precipitation	44.9 inches	-
Total annual snow	33.4 inches	-

What was the hottest temperature in Portland in 2021?

The highest temperature recorded in Portland, Maine in 2021 was 97 °F which happened on June 28.

Highest Temperatures: All-Time By Year

Highest Temperatures in Portland in 2021

Rank	Temperature	Date
1	97 °F	Jun 28
2	96 °F	Jun 29
3	95 °F	Jun 30
4	94 °F	Jun 7
5	92 °F	Jun 8
6	90 °F	Aug 14
6	90 °F	Jul 16
8	89 °F	Aug 25
8	89 °F	Aug 12
10	88 °F	Aug 26
10	88 °F	Aug 13
10	88 °F	Jun 20
10	88 °F	May 26

What was the coldest temperature in Portland in 2021?

The lowest temperature recorded in Portland, Maine in 2021 was -1 °F which happened on Feb 12.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Portland in 2021

Rank	Temperature	Date
1	-1 °F	February 12
2	2 °F	January 31
3	5 °F	February 1
4	7 °F	December 20
4	7 °F	March 2
4	7 °F	February 10
4	7 °F	January 30
8	8 °F	February 13
8	8 °F	February 11
8	8 °F	February 9
8	8 °F	February 8

January 2021 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	35	17	0.02	0.2
January 2	38	28	0.61	1.4
January 3	31	22	0.00	0.0
January 4	36	27	0.00	0.0
January 5	32	28	0.03	1.0
January 6	38	28	0.00	0.0
January 7	41	25	0.00	0.0
January 8	40	20	0.00	0.0
January 9	34	22	0.00	0.0
January 10	40	23	0.00	0.0
January 11	33	16	0.00	0.0
January 12	41	21	0.00	0.0
January 13	37	30	0.00	0.0
January 14	37	25	0.00	0.0
January 15	43	30	0.02	0.0
January 16	48	34	1.41	0.0
January 17	41	35	0.00	0.0
January 18	40	23	0.00	0.0
January 19	35	18	0.00	0.0
January 20	36	18	0.00	0.0
January 21	28	13	0.00	0.0
January 22	40	20	0.03	1.3
January 23	30	13	0.00	0.0
January 24	31	12	0.00	0.0
January 25	35	13	0.00	0.0
January 26	33	15	0.03	0.7
January 27	33	27	0.11	1.2
January 28	31	17	0.01	0.8
January 29	22	10	0.00	0.0
January 30	19	7	0.00	0.0
January 31	27	2	0.00	0.0

February 2021 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	29	5	0.06	1.1
February 2	32	26	0.62	6.7
February 3	37	31	0.00	0.0
February 4	38	26	0.00	0.0
February 5	39	17	0.08	0.1
February 6	38	28	0.00	0.0
February 7	30	18	0.23	2.2
February 8	26	8	0.00	0.0
February 9	23	8	0.11	1.2
February 10	29	7	0.00	0.0
February 11	27	8	0.00	0.0
February 12	24	-1	0.00	0.0
February 13	28	8	0.00	0.0
February 14	30	21	0.00	0.0
February 15	29	18	0.01	0.0
February 16	34	27	0.59	0.5
February 17	33	15	0.00	0.0
February 18	26	15	0.00	0.0
February 19	27	22	0.06	2.0
February 20	31	20	0.00	0.2
February 21	33	14	0.00	0.0
February 22	38	11	0.50	0.0
February 23	42	24	0.00	0.0
February 24	47	32	0.00	0.0
February 25	45	25	0.00	0.0
February 26	33	18	0.00	0.0
February 27	41	20	0.64	0.2
February 28	44	29	0.00	0.0

March 2021 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	43	20	0.48	0.1
March 2	25	7	0.00	0.0
March 3	37	14	0.00	0.0
March 4	37	21	0.00	0.0
March 5	28	15	0.00	0.0
March 6	34	12	0.00	0.0
March 7	34	12	0.00	0.0
March 8	38	19	0.00	0.0
March 9	51	29	0.00	0.0
March 10	43	23	0.00	0.0
March 11	58	36	0.00	0.0
March 12	59	37	0.00	0.0
March 13	43	26	0.00	0.0
March 14	40	18	0.00	0.0
March 15	21	10	0.00	0.0
March 16	33	11	0.00	0.0
March 17	47	19	0.00	0.0
March 18	47	33	0.25	0.0
March 19	39	22	0.00	0.0
March 20	56	20	0.00	0.0
March 21	59	25	0.00	0.0
March 22	59	25	0.00	0.0
March 23	60	27	0.00	0.0
March 24	55	35	0.00	0.0
March 25	53	42	0.02	0.0
March 26	58	43	0.48	0.0
March 27	51	38	0.00	0.0
March 28	43	39	1.44	0.0
March 29	47	28	0.05	0.0
March 30	47	24	0.00	0.0
March 31	57	31	0.06	0.0

April 2021 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	49	31	0.77	0.0
April 2	36	27	0.00	0.0
April 3	48	22	0.00	0.0
April 4	58	23	0.00	0.0
April 5	47	37	0.01	0.0
April 6	60	42	0.00	0.0
April 7	60	37	0.00	0.0
April 8	59	41	0.00	0.0
April 9	58	37	0.00	0.0
April 10	69	38	0.00	0.0
April 11	50	37	0.00	0.0
April 12	52	36	0.00	0.0
April 13	64	42	0.00	0.0
April 14	55	39	0.00	0.0
April 15	53	38	0.00	0.0
April 16	43	33	1.20	0.3
April 17	48	34	0.04	0.0
April 18	53	36	0.00	0.0
April 19	61	34	0.00	0.0
April 20	67	36	0.00	0.0
April 21	60	35	0.16	0.0
April 22	39	32	0.00	0.0
April 23	58	35	0.00	0.0
April 24	71	43	0.00	0.0
April 25	54	41	0.01	0.0
April 26	51	36	0.00	0.0
April 27	68	33	0.00	0.0
April 28	58	43	0.15	0.0
April 29	51	45	0.47	0.0
April 30	55	45	0.64	0.0

May 2021 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	57	43	0.02
May 2	69	47	0.00
May 3	55	47	0.00
May 4	55	46	0.02
May 5	49	45	0.50
May 6	62	42	0.00
May 7	58	35	0.00
May 8	54	37	0.00
May 9	65	42	0.00
May 10	63	47	0.04
May 11	63	43	0.01
May 12	64	39	0.00
May 13	69	40	0.00
May 14	75	44	0.00
May 15	72	46	0.00
May 16	74	46	0.00
May 17	66	44	0.00
May 18	78	46	0.00
May 19	77	53	0.00
May 20	65	48	0.00
May 21	69	52	0.01
May 22	77	57	0.00
May 23	84	52	0.00
May 24	62	43	0.00
May 25	69	49	0.00
May 26	88	63	0.15
May 27	76	52	0.00
May 28	58	46	0.03
May 29	50	43	0.57
May 30	53	47	0.76
May 31	59	48	0.16

June 2021 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	77	46	0.00
June 2	79	47	0.00
June 3	69	58	0.03
June 4	78	59	0.05
June 5	86	56	0.00
June 6	87	68	0.00
June 7	94	64	0.00
June 8	92	72	0.02
June 9	87	61	0.01
June 10	70	56	0.00
June 11	61	54	0.00
June 12	70	52	0.00
June 13	84	51	0.00
June 14	70	57	0.32
June 15	69	56	0.05
June 16	73	51	0.00
June 17	77	48	0.00
June 18	77	50	0.00
June 19	87	62	0.12
June 20	88	60	0.00
June 21	79	63	0.00
June 22	82	58	0.16
June 23	70	50	0.00
June 24	73	47	0.00
June 25	68	50	0.00
June 26	75	61	0.00
June 27	87	66	0.00
June 28	97	70	0.00
June 29	96	75	0.00
June 30	95	71	0.19

July 2021 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	81	64	0.27
July 2	65	56	0.64
July 3	60	55	0.54
July 4	62	53	0.54
July 5	70	49	0.00
July 6	87	62	0.02
July 7	84	66	0.00
July 8	67	58	0.27
July 9	69	58	2.33
July 10	75	59	0.00
July 11	77	55	0.00
July 12	76	63	0.10
July 13	71	62	0.07
July 14	70	62	0.02
July 15	80	64	0.00
July 16	90	63	0.00
July 17	77	67	0.00
July 18	68	62	1.17
July 19	73	64	0.00
July 20	83	62	0.88
July 21	81	63	0.40
July 22	79	60	0.00
July 23	78	57	0.16
July 24	76	55	0.00
July 25	72	59	0.20
July 26	80	61	0.00
July 27	84	63	0.18
July 28	74	57	0.01
July 29	73	52	1.52
July 30	76	55	0.12
July 31	76	51	0.00

August 2021 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	73	56	0.00
August 2	77	58	0.00
August 3	77	53	0.00
August 4	77	58	0.00
August 5	69	62	0.56
August 6	83	61	0.00
August 7	84	62	0.00
August 8	82	65	0.00
August 9	66	62	0.00
August 10	73	62	0.00
August 11	81	66	0.00
August 12	89	67	0.00
August 13	88	72	0.00
August 14	90	65	0.00
August 15	78	58	0.00
August 16	77	53	0.00
August 17	78	56	0.00
August 18	81	70	0.00
August 19	80	69	0.95
August 20	86	68	0.00
August 21	80	63	0.00
August 22	68	63	0.57
August 23	67	64	0.00
August 24	87	65	0.09
August 25	89	66	0.00
August 26	88	67	0.00
August 27	86	63	0.00
August 28	68	59	0.00
August 29	69	61	0.00
August 30	82	64	0.02
August 31	82	63	0.00

September 2021 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	74	58	0.27
September 2	72	58	1.53
September 3	72	53	0.00
September 4	76	53	0.00
September 5	69	50	0.12
September 6	78	58	0.25
September 7	76	54	0.00
September 8	76	54	0.00
September 9	69	65	0.64
September 10	74	54	0.38
September 11	75	48	0.00
September 12	79	60	0.00
September 13	76	54	0.01
September 14	69	51	0.00
September 15	76	64	0.17
September 16	69	55	0.03
September 17	67	53	0.00
September 18	76	61	0.17
September 19	71	51	0.00
September 20	67	47	0.00
September 21	68	47	0.00
September 22	72	61	0.00
September 23	74	64	0.00
September 24	73	63	0.20
September 25	72	61	0.01
September 26	72	52	0.47
September 27	70	49	0.00
September 28	63	53	0.00
September 29	65	50	0.00
September 30	60	44	0.03

October 2021 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	63	41	0.00
October 2	58	46	0.01
October 3	57	54	0.03
October 4	59	52	0.05
October 5	63	49	0.00
October 6	72	47	0.00
October 7	71	48	0.00
October 8	69	49	0.00
October 9	58	44	0.00
October 10	61	44	0.00
October 11	68	52	0.00
October 12	75	48	0.00
October 13	73	51	0.00
October 14	76	50	0.00
October 15	62	58	0.00
October 16	68	61	1.20
October 17	62	43	0.27
October 18	58	42	0.00
October 19	57	40	0.00
October 20	65	42	0.00
October 21	64	46	0.01
October 22	71	48	0.01
October 23	55	41	0.00
October 24	56	32	0.00
October 25	46	42	0.21
October 26	50	44	1.00
October 27	52	45	0.22
October 28	53	35	0.00
October 29	52	35	0.00
October 30	55	44	2.78
October 31	65	54	1.39

November 2021 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	60	44	0.00	0.0
November 2	54	40	0.00	0.0
November 3	52	32	0.00	0.0
November 4	47	26	0.00	0.0
November 5	48	26	0.00	0.0
November 6	52	25	0.00	0.0
November 7	52	24	0.00	0.0
November 8	61	29	0.00	0.0
November 9	66	31	0.00	0.0
November 10	57	34	0.05	0.0
November 11	51	30	0.00	0.0
November 12	58	47	1.42	0.0
November 13	55	34	0.35	0.0
November 14	50	35	0.00	0.0
November 15	48	35	0.14	0.0
November 16	45	27	0.00	0.0
November 17	48	22	0.00	0.0
November 18	61	44	0.04	0.0
November 19	48	33	0.25	0.0
November 20	44	26	0.00	0.0
November 21	47	36	0.32	0.0
November 22	54	33	0.52	0.0
November 23	37	27	0.00	0.0
November 24	41	24	0.00	0.0
November 25	53	23	0.00	0.0
November 26	43	35	0.23	0.0
November 27	37	26	0.13	0.1
November 28	37	20	0.00	0.0
November 29	38	22	0.00	0.0
November 30	38	18	0.00	0.0

December 2021 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	45	27	0.00	0.0
December 2	52	26	0.28	0.0
December 3	44	22	0.00	0.0
December 4	36	17	0.00	0.0
December 5	40	22	0.00	0.0
December 6	56	38	0.45	0.0
December 7	45	26	0.00	0.0
December 8	29	20	0.04	0.4
December 9	34	17	0.00	0.0
December 10	27	20	0.02	0.2
December 11	56	27	0.67	0.0
December 12	57	35	0.10	0.0
December 13	48	34	0.00	0.0
December 14	46	25	0.00	0.0
December 15	42	22	0.17	0.0
December 16	47	36	0.42	0.0
December 17	53	33	0.00	0.0
December 18	36	27	0.37	4.8
December 19	33	19	0.24	2.6
December 20	29	7	0.00	0.0
December 21	41	23	0.00	0.0
December 22	35	28	0.36	0.0
December 23	29	15	0.00	0.0
December 24	29	13	0.00	0.0
December 25	28	17	0.31	1.8
December 26	35	27	0.16	1.6
December 27	34	22	0.00	0.0
December 28	39	23	0.09	0.7
December 29	37	28	0.02	0.0
December 30	34	30	0.05	0.0
December 31	38	32	0.01	0.0

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Weather Station Details

Years	Station	Coordinates
1940–2024	Portland International JetPort	location
1871–1940	Portland	location