Portland Weather in 1970

Historical record of Portland, Maine weather for the year 1970 based on NOAA data.

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1970 Portland Weather Extremes
Highest temperature	93 °F	July 24
Lowest temperature	-14 °F	December 22
Highest daily low	70 °F	July 29
Lowest daily high	7 °F	December 22
Most daily precipitation	2.3 inches	April 2
Most daily snow	22.3 inches	December 17
Total annual precipitation	41.4 inches	-
Total annual snow	94.4 inches	-

What was the hottest temperature in Portland in 1970?

The highest temperature recorded in Portland, Maine in 1970 was 93 °F which happened on July 24.

Highest Temperatures: All-Time By Year

Highest Temperatures in Portland in 1970

Rank	Temperature	Date
1	93 °F	Jul 24
2	90 °F	Jul 28
2	90 °F	Jul 27
2	90 °F	Jul 25
2	90 °F	Jul 23
2	90 °F	Jun 11
7	89 °F	Aug 16
7	89 °F	Aug 14
7	89 °F	Aug 13
7	89 °F	Jul 29

What was the coldest temperature in Portland in 1970?

The lowest temperature recorded in Portland, Maine in 1970 was -14 °F which happened on Dec 22.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Portland in 1970

Rank	Temperature	Date
1	-14 °F	December 22
2	-8 °F	January 23
2	-8 °F	January 20
4	-7 °F	January 22
5	-5 °F	January 21
5	-5 °F	January 19
7	-4 °F	December 31
8	-2 °F	December 16
9	0 °F	December 30
9	0 °F	December 29
9	0 °F	December 21

January 1970 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	29	11	0.00	0.0
January 2	26	6	0.00	0.0
January 3	30	8	0.00	0.0
January 4	26	12	0.00	0.0
January 5	29	3	0.00	0.0
January 6	29	13	0.00	0.0
January 7	23	15	0.00	0.0
January 8	23	5	0.00	0.0
January 9	23	6	0.00	0.0
January 10	20	10	0.00	0.0
January 11	21	5	0.00	0.0
January 12	21	2	0.03	0.8
January 13	24	10	0.05	1.1
January 14	18	6	0.00	0.0
January 15	23	5	0.00	0.0
January 16	32	5	0.00	0.0
January 17	41	26	0.00	0.1
January 18	30	9	0.14	1.6
January 19	18	-5	0.00	0.0
January 20	17	-8	0.00	0.0
January 21	14	-5	0.00	0.0
January 22	16	-7	0.00	0.0
January 23	20	-8	0.01	0.1
January 24	22	3	0.00	0.0
January 25	27	4	0.00	0.0
January 26	33	20	0.24	2.4
January 27	29	7	0.00	0.0
January 28	36	4	0.00	0.0
January 29	43	36	0.29	0.1
January 30	40	16	0.00	0.0
January 31	30	8	0.00	0.0

February 1970 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	38	25	0.00	0.0
February 2	45	26	0.21	0.0
February 3	49	43	1.18	0.0
February 4	47	5	0.76	0.3
February 5	25	3	0.00	0.0
February 6	31	22	0.02	0.2
February 7	38	16	0.00	0.0
February 8	45	18	0.00	0.0
February 9	40	23	0.00	0.0
February 10	43	35	0.65	0.0
February 11	45	37	0.53	0.0
February 12	38	25	0.00	0.0
February 13	29	12	0.00	0.0
February 14	23	5	0.00	0.0
February 15	24	14	0.76	7.0
February 16	29	11	0.00	0.0
February 17	33	6	0.00	0.0
February 18	35	20	0.00	0.0
February 19	40	16	0.00	0.0
February 20	30	3	0.00	0.0
February 21	29	8	0.00	0.0
February 22	41	11	0.00	0.0
February 23	38	6	0.00	0.0
February 24	27	3	0.00	0.0
February 25	38	16	0.00	0.0
February 26	20	4	0.00	0.0
February 27	28	6	0.07	0.8
February 28	31	22	0.13	1.5

March 1970 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	36	12	0.00	0.0
March 2	34	17	0.13	1.3
March 3	38	18	0.00	0.0
March 4	38	12	0.02	0.1
March 5	36	30	0.14	0.3
March 6	40	29	0.00	0.0
March 7	38	19	0.00	0.0
March 8	36	19	0.04	0.0
March 9	34	15	0.00	0.0
March 10	37	21	0.00	0.0
March 11	37	28	0.00	0.0
March 12	47	28	0.00	0.0
March 13	35	29	0.68	6.9
March 14	37	31	0.07	0.9
March 15	37	18	0.11	1.1
March 16	38	16	0.00	0.0
March 17	41	19	0.00	0.0
March 18	43	22	0.00	0.0
March 19	47	24	0.00	0.0
March 20	49	28	0.00	0.0
March 21	39	34	1.17	7.8
March 22	46	28	0.00	0.0
March 23	39	34	0.93	1.9
March 24	47	33	0.00	0.0
March 25	45	33	0.00	0.0
March 26	44	29	0.51	0.0
March 27	47	33	0.38	0.0
March 28	43	29	0.00	0.0
March 29	40	28	0.04	0.4
March 30	39	23	0.00	0.0
March 31	36	24	0.00	0.0

April 1970 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	46	29	0.00	0.0
April 2	46	35	2.27	2.9
April 3	42	36	0.02	0.0
April 4	46	31	0.00	0.0
April 5	46	27	0.00	0.0
April 6	39	23	0.00	0.0
April 7	46	30	0.00	0.0
April 8	50	34	0.00	0.0
April 9	45	33	0.00	0.0
April 10	46	30	0.00	0.0
April 11	48	34	0.00	0.0
April 12	56	34	0.00	0.0
April 13	58	36	0.00	0.0
April 14	54	31	0.00	0.0
April 15	56	31	0.00	0.0
April 16	57	31	0.00	0.0
April 17	51	36	0.00	0.0
April 18	58	36	0.00	0.0
April 19	54	32	0.00	0.0
April 20	47	31	0.22	0.0
April 21	44	39	0.27	0.0
April 22	49	39	0.02	0.0
April 23	48	38	0.00	0.0
April 24	47	42	1.34	0.0
April 25	62	41	0.00	0.0
April 26	63	38	0.00	0.0
April 27	80	42	0.00	0.0
April 28	65	46	0.00	0.0
April 29	60	42	0.00	0.0
April 30	59	38	0.00	0.0

May 1970 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	68	47	0.00
May 2	69	52	0.00
May 3	56	46	0.28
May 4	55	42	0.00
May 5	61	43	0.08
May 6	57	40	0.27
May 7	50	39	0.00
May 8	66	41	0.00
May 9	70	49	0.00
May 10	70	51	0.00
May 11	76	55	0.31
May 12	67	50	0.00
May 13	58	50	0.01
May 14	61	45	0.00
May 15	61	40	0.00
May 16	58	51	0.00
May 17	56	50	1.90
May 18	61	52	0.22
May 19	58	46	0.01
May 20	74	44	0.00
May 21	64	49	0.00
May 22	85	48	0.00
May 23	67	50	0.00
May 24	70	44	0.00
May 25	52	44	0.04
May 26	67	50	0.03
May 27	75	50	0.00
May 28	67	43	0.00
May 29	64	42	0.00
May 30	66	39	0.00
May 31	82	49	0.00

June 1970 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	87	62	0.00
June 2	84	58	0.00
June 3	87	57	0.32
June 4	67	52	0.00
June 5	65	54	0.00
June 6	54	51	0.04
June 7	66	51	0.00
June 8	77	50	0.00
June 9	81	54	0.00
June 10	81	55	0.00
June 11	90	58	0.00
June 12	71	51	0.02
June 13	67	48	0.00
June 14	74	43	0.00
June 15	75	47	0.00
June 16	77	55	0.00
June 17	76	57	0.00
June 18	66	60	0.37
June 19	86	60	0.00
June 20	70	54	0.00
June 21	70	47	0.00
June 22	74	53	0.00
June 23	81	55	0.00
June 24	82	51	0.00
June 25	80	52	0.00
June 26	66	44	0.10
June 27	60	53	1.50
June 28	73	49	0.00
June 29	74	45	0.01
June 30	65	57	0.55

July 1970 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	79	60	0.00
July 2	64	59	0.00
July 3	72	58	0.00
July 4	71	60	0.06
July 5	81	61	0.00
July 6	80	56	0.00
July 7	83	56	0.00
July 8	82	56	0.00
July 9	80	60	0.00
July 10	79	58	0.00
July 11	78	66	0.00
July 12	80	57	0.22
July 13	76	52	0.00
July 14	75	50	0.00
July 15	73	62	0.00
July 16	77	62	0.63
July 17	81	60	0.00
July 18	86	56	0.00
July 19	74	56	0.00
July 20	72	56	0.04
July 21	84	56	0.00
July 22	82	54	0.00
July 23	90	55	0.00
July 24	93	63	0.00
July 25	90	65	0.00
July 26	86	64	0.00
July 27	90	64	0.00
July 28	90	65	0.00
July 29	89	70	0.00
July 30	79	67	0.00
July 31	78	67	0.00

August 1970 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	71	66	0.72
August 2	84	66	1.60
August 3	86	62	0.00
August 4	80	55	0.00
August 5	71	52	0.00
August 6	75	56	0.00
August 7	83	55	0.00
August 8	83	57	0.00
August 9	84	58	0.00
August 10	81	56	0.00
August 11	73	63	0.02
August 12	84	64	0.01
August 13	89	59	0.00
August 14	89	61	0.00
August 15	88	63	0.00
August 16	89	65	0.00
August 17	88	66	0.13
August 18	81	56	0.00
August 19	75	52	0.00
August 20	76	63	0.00
August 21	82	56	0.13
August 22	78	51	0.00
August 23	66	60	1.62
August 24	77	52	0.00
August 25	80	50	0.00
August 26	84	56	0.00
August 27	80	56	0.00
August 28	73	56	0.79
August 29	80	56	0.00
August 30	69	49	0.07
August 31	74	51	0.03

September 1970 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	67	47	0.00
September 2	72	47	0.00
September 3	69	44	0.22
September 4	75	61	1.72
September 5	81	61	0.00
September 6	73	54	0.00
September 7	64	56	0.00
September 8	60	54	0.00
September 9	66	54	0.00
September 10	66	58	0.00
September 11	72	48	0.00
September 12	72	44	0.00
September 13	71	49	0.00
September 14	61	51	0.13
September 15	53	49	0.28
September 16	62	50	0.21
September 17	66	47	0.00
September 18	59	55	1.29
September 19	73	51	0.01
September 20	71	47	0.00
September 21	76	51	0.00
September 22	88	64	0.00
September 23	85	68	0.00
September 24	69	57	0.00
September 25	88	59	0.00
September 26	69	57	0.00
September 27	73	55	0.28
September 28	60	46	0.00
September 29	57	49	0.34
September 30	58	46	0.01

October 1970 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	58	45	0.00
October 2	61	37	0.00
October 3	68	54	0.44
October 4	64	44	0.00
October 5	60	39	0.00
October 6	58	36	0.00
October 7	68	45	0.00
October 8	74	48	0.00
October 9	73	50	0.00
October 10	59	49	0.00
October 11	62	56	0.00
October 12	70	56	0.00
October 13	69	59	0.05
October 14	70	57	0.02
October 15	66	58	1.23
October 16	63	41	0.36
October 17	46	37	0.00
October 18	59	38	0.00
October 19	53	32	0.00
October 20	54	29	0.00
October 21	58	36	0.00
October 22	55	43	0.04
October 23	59	54	1.64
October 24	68	54	0.08
October 25	54	45	0.00
October 26	51	43	0.01
October 27	45	30	0.00
October 28	58	28	0.00
October 29	52	32	0.00
October 30	57	29	0.00
October 31	56	30	0.00

November 1970 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	60	35	0.00
November 2	48	34	0.00
November 3	57	38	0.00
November 4	51	39	0.00
November 5	48	38	0.53
November 6	50	36	0.00
November 7	60	36	0.00
November 8	47	30	0.00
November 9	48	27	0.00
November 10	53	45	0.01
November 11	57	46	0.06
November 12	50	46	0.00
November 13	47	45	0.00
November 14	48	42	0.03
November 15	42	39	0.27
November 16	44	31	0.15
November 17	48	25	0.00
November 18	46	27	0.00
November 19	47	41	0.11
November 20	52	40	0.15
November 21	54	41	0.36
November 22	50	36	0.00
November 23	51	33	0.36
November 24	35	27	0.00
November 25	34	21	0.00
November 26	37	20	0.00
November 27	42	28	0.00
November 28	41	34	0.29
November 29	37	34	0.00
November 30	45	35	0.06

December 1970 Portland Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	43	27	0.00	0.0
December 2	59	42	0.00	0.0
December 3	55	32	0.00	0.0
December 4	44	23	1.10	0.3
December 5	33	18	0.00	0.0
December 6	31	24	0.13	1.3
December 7	25	7	0.00	0.0
December 8	18	5	0.00	0.0
December 9	19	12	0.38	3.3
December 10	31	16	0.00	0.0
December 11	32	5	0.00	0.0
December 12	21	12	0.00	0.0
December 13	26	17	0.18	2.6
December 14	24	17	0.10	1.1
December 15	29	10	0.00	0.0
December 16	19	-2	0.00	0.0
December 17	25	13	1.77	22.3
December 18	31	12	0.03	0.5
December 19	31	11	0.00	0.0
December 20	34	12	0.00	0.0
December 21	21	0	0.00	0.0
December 22	7	-14	0.22	3.8
December 23	9	3	0.04	0.6
December 24	23	5	1.01	16.7
December 25	24	15	0.00	0.0
December 26	26	20	0.18	2.3
December 27	27	13	0.00	0.0
December 28	20	3	0.00	0.0
December 29	23	0	0.00	0.0
December 30	20	0	0.00	0.0
December 31	28	-4	0.00	0.0

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Weather Station Details

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