Rockford Weather in 1977

Historical record of Rockford, Illinois weather for the year 1977 based on NOAA data.

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1977 Rockford Weather Extremes
Highest temperature	98 °F	July 14
Lowest temperature	-22 °F	January 16
Highest daily low	77 °F	July 4
Lowest daily high	-7 °F	January 16
Most daily precipitation	3.6 inches	May 15
Most daily snow	6.0 inches	December 8
Total annual precipitation	38.0 inches	-
Total annual snow	51.7 inches	-

What was the hottest temperature in Rockford in 1977?

The highest temperature recorded in Rockford, Illinois in 1977 was 98 °F which happened on July 14.

Highest Temperatures: All-Time By Year

Highest Temperatures in Rockford in 1977

Rank	Temperature	Date
1	98 °F	Jul 14
2	97 °F	Jul 15
3	94 °F	Jul 19
3	94 °F	Jul 6
3	94 °F	Jul 4
6	93 °F	Jul 5
6	93 °F	Jun 4
8	92 °F	Jul 12
9	91 °F	Jul 20
10	90 °F	Aug 27
10	90 °F	Jul 13
10	90 °F	May 28
10	90 °F	May 25
10	90 °F	May 19

What was the coldest temperature in Rockford in 1977?

The lowest temperature recorded in Rockford, Illinois in 1977 was -22 °F which happened on Jan 16.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Rockford in 1977

Rank	Temperature	Date
1	-22 °F	January 16
2	-20 °F	January 17
3	-19 °F	January 11
4	-17 °F	January 28
5	-16 °F	January 15
6	-15 °F	February 6
6	-15 °F	January 12
8	-14 °F	February 7
8	-14 °F	February 5
10	-13 °F	December 11
10	-13 °F	January 9

January 1977 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	11	-2	0.00	0.0
January 2	16	8	0.08	0.9
January 3	23	6	0.00	0.0
January 4	22	-2	0.00	0.0
January 5	22	14	0.00	0.0
January 6	21	6	0.00	0.0
January 7	9	-7	0.00	0.0
January 8	14	-6	0.07	1.5
January 9	4	-13	0.02	0.5
January 10	8	-9	0.07	1.0
January 11	4	-19	0.00	0.0
January 12	0	-15	0.00	0.0
January 13	25	-4	0.05	0.8
January 14	22	6	0.00	0.0
January 15	16	-16	0.00	0.0
January 16	-7	-22	0.00	0.0
January 17	0	-20	0.00	0.0
January 18	20	-8	0.00	0.0
January 19	14	-7	0.09	1.1
January 20	20	2	0.03	0.4
January 21	18	3	0.00	0.0
January 22	19	-10	0.00	0.0
January 23	29	12	0.03	0.5
January 24	29	26	0.00	0.0
January 25	28	13	0.03	0.4
January 26	30	-3	0.07	0.7
January 27	17	-9	0.03	0.5
January 28	5	-17	0.04	0.5
January 29	6	-7	0.00	0.0
January 30	10	-6	0.00	0.0
January 31	16	-1	0.00	0.0

February 1977 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	18	-4	0.00	0.0
February 2	30	-7	0.05	0.6
February 3	30	24	0.00	0.0
February 4	30	5	0.25	3.3
February 5	9	-14	0.00	0.0
February 6	9	-15	0.00	0.0
February 7	12	-14	0.00	0.0
February 8	25	6	0.00	0.0
February 9	39	19	0.00	0.0
February 10	44	19	0.00	0.0
February 11	50	27	0.00	0.0
February 12	42	33	0.00	0.0
February 13	36	28	0.00	0.0
February 14	29	19	0.00	0.0
February 15	20	7	0.00	0.0
February 16	24	-1	0.00	0.0
February 17	37	12	0.00	0.0
February 18	42	16	0.00	0.0
February 19	31	24	0.00	0.0
February 20	31	12	0.00	0.0
February 21	37	11	0.00	0.0
February 22	50	22	0.00	0.0
February 23	55	37	0.27	0.0
February 24	47	30	0.05	0.0
February 25	39	29	0.00	0.0
February 26	35	24	0.00	0.0
February 27	32	24	0.02	0.4
February 28	37	19	0.00	0.0

March 1977 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	35	17	0.00	0.0
March 2	41	17	0.00	0.0
March 3	44	34	0.11	0.0
March 4	41	33	0.06	0.0
March 5	39	28	0.00	0.0
March 6	38	23	0.00	0.0
March 7	50	22	0.00	0.0
March 8	70	31	0.00	0.0
March 9	68	37	0.00	0.0
March 10	66	36	0.00	0.0
March 11	63	49	0.10	0.0
March 12	62	41	0.58	0.0
March 13	49	40	0.06	0.0
March 14	65	44	0.00	0.0
March 15	62	41	0.00	0.0
March 16	53	32	0.00	0.0
March 17	43	28	0.12	0.0
March 18	36	26	0.04	0.3
March 19	45	20	0.17	2.3
March 20	46	27	0.04	0.4
March 21	36	29	0.26	4.2
March 22	42	17	0.00	0.0
March 23	43	28	0.00	0.0
March 24	46	22	0.00	0.0
March 25	63	29	0.00	0.0
March 26	71	40	0.00	0.0
March 27	59	50	0.34	0.0
March 28	60	51	1.32	0.0
March 29	64	48	0.11	0.0
March 30	60	40	0.21	0.0
March 31	43	34	0.00	0.0

April 1977 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	55	32	0.07	0.0
April 2	71	38	0.09	0.0
April 3	52	32	0.00	0.0
April 4	46	33	0.36	0.0
April 5	41	29	0.08	0.8
April 6	44	23	0.00	0.0
April 7	62	33	0.00	0.0
April 8	50	26	0.00	0.0
April 9	66	30	0.00	0.0
April 10	84	45	0.00	0.0
April 11	84	56	0.00	0.0
April 12	83	51	0.00	0.0
April 13	78	51	0.00	0.0
April 14	66	47	0.01	0.0
April 15	79	44	0.01	0.0
April 16	86	55	0.00	0.0
April 17	86	53	0.00	0.0
April 18	88	51	0.02	0.0
April 19	78	59	0.43	0.0
April 20	78	59	0.07	0.0
April 21	65	54	0.38	0.0
April 22	65	50	0.00	0.0
April 23	72	47	0.00	0.0
April 24	59	44	0.00	0.0
April 25	62	40	0.00	0.0
April 26	69	34	0.00	0.0
April 27	83	46	0.01	0.0
April 28	54	33	0.86	0.0
April 29	65	29	0.00	0.0
April 30	73	36	0.00	0.0

May 1977 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	77	48	0.01
May 2	71	57	0.00
May 3	64	50	0.17
May 4	70	53	0.90
May 5	81	57	0.37
May 6	76	51	0.00
May 7	65	42	0.00
May 8	74	38	0.00
May 9	62	34	0.00
May 10	69	32	0.00
May 11	74	43	0.00
May 12	81	47	0.00
May 13	85	55	0.00
May 14	86	53	0.00
May 15	82	65	3.61
May 16	89	65	0.00
May 17	85	66	0.01
May 18	88	63	0.00
May 19	90	64	0.00
May 20	88	66	0.16
May 21	88	63	0.04
May 22	85	64	0.00
May 23	88	60	0.00
May 24	87	63	0.00
May 25	90	63	0.00
May 26	89	61	0.00
May 27	87	56	0.00
May 28	90	57	0.00
May 29	87	61	0.12
May 30	83	60	0.00
May 31	80	60	0.08

June 1977 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	77	59	0.00
June 2	73	50	0.00
June 3	80	43	0.00
June 4	93	58	0.00
June 5	84	64	1.90
June 6	75	48	0.00
June 7	70	44	0.28
June 8	69	48	0.02
June 9	69	44	0.00
June 10	76	52	0.00
June 11	82	60	0.27
June 12	66	56	0.00
June 13	71	53	0.00
June 14	76	47	0.00
June 15	80	50	0.00
June 16	85	58	0.00
June 17	88	66	0.64
June 18	81	60	0.00
June 19	82	58	0.00
June 20	78	55	0.00
June 21	77	53	0.00
June 22	78	61	0.00
June 23	73	57	0.00
June 24	86	62	0.00
June 25	86	60	0.00
June 26	87	56	0.00
June 27	88	61	0.00
June 28	85	61	0.09
June 29	83	58	0.00
June 30	79	62	1.47

July 1977 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	79	59	0.00
July 2	83	55	0.00
July 3	88	66	0.04
July 4	94	77	0.00
July 5	93	70	0.00
July 6	94	71	0.00
July 7	89	71	0.03
July 8	88	68	0.00
July 9	83	59	0.00
July 10	85	55	0.00
July 11	86	70	0.00
July 12	92	67	0.13
July 13	90	61	0.00
July 14	98	75	0.00
July 15	97	72	0.21
July 16	82	69	0.11
July 17	79	68	0.30
July 18	85	69	3.24
July 19	94	71	0.00
July 20	91	74	0.00
July 21	83	66	0.23
July 22	83	59	0.00
July 23	83	58	0.00
July 24	84	68	0.15
July 25	78	60	0.00
July 26	77	53	0.00
July 27	77	53	0.00
July 28	82	56	0.00
July 29	84	65	0.01
July 30	88	60	0.00
July 31	81	61	0.28

August 1977 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	80	54	0.00
August 2	76	61	0.29
August 3	82	60	0.00
August 4	80	67	0.10
August 5	79	67	0.60
August 6	76	66	0.04
August 7	84	68	0.00
August 8	77	65	1.56
August 9	77	67	0.18
August 10	84	67	0.00
August 11	71	56	0.24
August 12	78	50	0.00
August 13	83	56	0.05
August 14	74	58	0.00
August 15	79	54	0.03
August 16	78	60	0.55
August 17	75	56	0.00
August 18	70	49	0.00
August 19	67	50	0.07
August 20	73	59	0.09
August 21	73	57	0.21
August 22	78	49	0.00
August 23	72	58	0.08
August 24	72	52	0.00
August 25	76	47	0.00
August 26	85	62	0.00
August 27	90	74	0.00
August 28	81	65	1.15
August 29	76	57	0.00
August 30	82	57	0.00
August 31	87	69	0.07

September 1977 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	73	63	0.15
September 2	81	63	0.04
September 3	75	60	0.01
September 4	86	64	0.05
September 5	77	58	0.00
September 6	79	54	0.00
September 7	80	57	0.00
September 8	83	53	0.00
September 9	75	56	0.00
September 10	72	49	0.00
September 11	78	44	0.00
September 12	63	55	0.41
September 13	68	55	0.05
September 14	73	49	0.00
September 15	64	54	0.15
September 16	70	59	0.00
September 17	76	58	1.10
September 18	81	64	0.27
September 19	69	58	0.00
September 20	63	44	0.00
September 21	68	40	0.00
September 22	67	51	0.06
September 23	68	52	0.35
September 24	74	59	0.27
September 25	78	52	0.08
September 26	73	52	0.00
September 27	64	47	0.00
September 28	71	44	0.00
September 29	73	51	0.00
September 30	64	53	0.92

October 1977 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	58	49	0.00
October 2	60	42	0.00
October 3	64	36	0.00
October 4	68	34	0.01
October 5	63	41	0.01
October 6	58	35	0.00
October 7	50	36	0.92
October 8	56	42	0.01
October 9	54	38	0.00
October 10	67	38	0.30
October 11	47	35	0.00
October 12	52	31	0.00
October 13	59	27	0.00
October 14	69	32	0.00
October 15	59	37	0.00
October 16	53	29	0.00
October 17	64	30	0.00
October 18	58	43	0.00
October 19	60	36	0.00
October 20	64	31	0.00
October 21	73	42	0.00
October 22	57	44	0.16
October 23	50	45	0.05
October 24	63	44	0.19
October 25	62	42	0.36
October 26	55	42	0.00
October 27	66	39	0.00
October 28	62	40	0.00
October 29	64	38	0.00
October 30	57	38	0.00
October 31	61	50	0.25

November 1977 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	60	57	1.66	0.0
November 2	68	56	0.15	0.0
November 3	71	51	0.00	0.0
November 4	61	44	0.00	0.0
November 5	55	43	0.00	0.0
November 6	57	51	0.09	0.0
November 7	59	54	0.01	0.0
November 8	62	54	0.00	0.0
November 9	61	35	0.03	0.0
November 10	35	31	0.00	0.0
November 11	40	24	0.00	0.0
November 12	35	19	0.00	0.0
November 13	38	20	0.00	0.0
November 14	53	28	0.00	0.0
November 15	54	42	0.00	0.0
November 16	50	30	0.00	0.0
November 17	42	30	0.00	0.0
November 18	43	32	0.00	0.0
November 19	43	31	0.08	0.0
November 20	58	29	0.06	0.0
November 21	31	19	0.00	0.0
November 22	35	20	0.00	0.0
November 23	35	30	0.11	0.8
November 24	32	23	0.08	0.7
November 25	25	-2	0.19	3.3
November 26	16	-10	0.00	0.0
November 27	24	14	0.17	2.5
November 28	18	2	0.00	0.0
November 29	30	0	0.00	0.0
November 30	35	8	0.00	0.0

December 1977 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	35	26	0.26	3.4
December 2	32	19	0.00	0.0
December 3	22	1	0.00	0.0
December 4	28	8	0.00	0.0
December 5	32	21	0.22	3.0
December 6	21	-7	0.00	0.0
December 7	11	-11	0.00	0.0
December 8	19	8	0.40	6.0
December 9	8	-9	0.00	0.0
December 10	1	-12	0.00	0.0
December 11	22	-13	0.00	0.0
December 12	38	22	0.00	0.0
December 13	36	32	0.00	0.0
December 14	33	30	0.00	0.0
December 15	37	30	0.00	0.0
December 16	44	30	0.00	0.0
December 17	50	37	0.05	0.0
December 18	39	33	0.00	0.0
December 19	36	32	0.13	1.5
December 20	32	18	0.49	5.1
December 21	28	19	0.08	1.2
December 22	30	8	0.00	0.0
December 23	33	15	0.00	0.0
December 24	38	9	0.00	0.0
December 25	9	-6	0.00	0.0
December 26	9	-6	0.00	0.0
December 27	5	-7	0.00	0.0
December 28	23	5	0.02	0.2
December 29	32	15	0.00	0.0
December 30	30	13	0.00	0.0
December 31	31	26	0.22	2.9

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Weather Station Details

Years	Station	Coordinates
1951–2024	Greater Rockford Airport	location
1893–1950	Rockford	location