Rockford Weather in 1978

Historical record of Rockford, Illinois weather for the year 1978 based on NOAA data.

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1978 Rockford Weather Extremes
Highest temperature	95 °F	September 8
Lowest temperature	-13 °F	January 30
Highest daily low	73 °F	July 19
Lowest daily high	-2 °F	January 9
Most daily precipitation	2.6 inches	June 25
Most daily snow	8.5 inches	December 31
Total annual precipitation	35.4 inches	-
Total annual snow	50.8 inches	-

What was the hottest temperature in Rockford in 1978?

The highest temperature recorded in Rockford, Illinois in 1978 was 95 °F which happened on September 8.

Highest Temperatures: All-Time By Year

Highest Temperatures in Rockford in 1978

Rank	Temperature	Date
1	95 °F	Sep 8
2	93 °F	Sep 10
2	93 °F	Sep 9
2	93 °F	Jun 11
5	92 °F	Sep 7
5	92 °F	May 27
7	91 °F	Jun 26
7	91 °F	May 26
9	90 °F	Sep 19
9	90 °F	Sep 11
9	90 °F	Jul 6
9	90 °F	May 31

What was the coldest temperature in Rockford in 1978?

The lowest temperature recorded in Rockford, Illinois in 1978 was -13 °F which happened 2 different times.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Rockford in 1978

Rank	Temperature	Date
1	-13 °F	January 30
1	-13 °F	January 10
3	-12 °F	December 10
4	-11 °F	February 19
4	-11 °F	January 11
4	-11 °F	January 9
7	-10 °F	December 9
8	-9 °F	March 5
8	-9 °F	February 22
8	-9 °F	January 22

January 1978 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	29	-6	0.25	3.2
January 2	13	-8	0.00	0.0
January 3	17	-5	0.00	0.0
January 4	34	11	0.00	0.0
January 5	35	24	0.00	0.0
January 6	35	31	0.00	0.0
January 7	37	33	0.00	0.0
January 8	34	-3	0.00	0.0
January 9	-2	-11	0.00	0.0
January 10	2	-13	0.00	0.0
January 11	12	-11	0.00	0.0
January 12	19	-2	0.12	1.6
January 13	23	10	0.09	1.3
January 14	22	6	0.02	0.2
January 15	15	-5	0.00	0.0
January 16	12	2	0.00	0.0
January 17	24	5	0.00	0.0
January 18	22	-2	0.00	0.0
January 19	23	16	0.00	0.0
January 20	20	10	0.04	0.8
January 21	18	-2	0.00	0.0
January 22	20	-9	0.00	0.0
January 23	31	8	0.00	0.0
January 24	30	12	0.04	0.4
January 25	26	5	0.07	0.9
January 26	21	4	0.14	1.3
January 27	6	-1	0.00	0.0
January 28	11	-1	0.00	0.0
January 29	8	-5	0.00	0.0
January 30	12	-13	0.01	0.3
January 31	15	-3	0.00	0.0

February 1978 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	15	0	0.17	2.3
February 2	10	0	0.00	0.0
February 3	17	-2	0.05	0.8
February 4	20	-4	0.06	0.9
February 5	19	-3	0.00	0.0
February 6	14	-4	0.00	0.0
February 7	19	1	0.00	0.0
February 8	25	12	0.00	0.0
February 9	27	8	0.00	0.0
February 10	24	-8	0.00	0.0
February 11	25	-5	0.00	0.0
February 12	31	9	0.00	0.0
February 13	27	18	0.08	1.2
February 14	23	5	0.00	0.0
February 15	18	3	0.00	0.0
February 16	15	-5	0.00	0.0
February 17	15	-7	0.00	0.0
February 18	17	-8	0.00	0.0
February 19	17	-11	0.00	0.0
February 20	22	3	0.01	0.2
February 21	21	0	0.00	0.0
February 22	21	-9	0.02	0.4
February 23	27	18	0.07	0.9
February 24	37	21	0.00	0.0
February 25	30	14	0.00	0.0
February 26	24	6	0.00	0.0
February 27	27	2	0.00	0.0
February 28	28	18	0.01	0.2

March 1978 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	25	7	0.00	0.0
March 2	23	7	0.05	1.5
March 3	21	5	0.04	0.4
March 4	17	-6	0.00	0.0
March 5	22	-9	0.00	0.0
March 6	28	16	0.01	0.1
March 7	30	17	0.00	0.0
March 8	31	9	0.00	0.0
March 9	37	-1	0.00	0.0
March 10	40	14	0.03	0.0
March 11	37	30	0.22	0.5
March 12	34	25	0.00	0.0
March 13	34	30	0.07	0.0
March 14	37	33	0.08	0.3
March 15	35	26	0.00	0.0
March 16	33	20	0.00	0.0
March 17	31	15	0.00	0.0
March 18	39	14	0.00	0.0
March 19	43	28	0.00	0.0
March 20	48	25	0.00	0.0
March 21	45	33	0.00	0.0
March 22	50	34	0.00	0.0
March 23	51	26	0.00	0.0
March 24	32	25	0.00	0.0
March 25	30	27	0.36	1.4
March 26	34	30	0.00	0.0
March 27	47	22	0.00	0.0
March 28	57	35	0.00	0.0
March 29	50	31	0.00	0.0
March 30	58	32	0.00	0.0
March 31	78	36	0.00	0.0

April 1978 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
April 1	64	33	0.00
April 2	36	30	0.24
April 3	69	36	0.02
April 4	56	34	0.00
April 5	57	29	0.35
April 6	57	39	0.46
April 7	74	38	0.00
April 8	48	37	0.00
April 9	67	40	0.50
April 10	59	42	0.48
April 11	56	38	0.01
April 12	64	37	0.00
April 13	54	35	0.00
April 14	57	35	0.00
April 15	57	28	0.00
April 16	53	30	0.00
April 17	56	28	0.05
April 18	63	42	0.60
April 19	47	42	0.04
April 20	42	35	0.12
April 21	53	31	0.00
April 22	57	25	0.00
April 23	66	44	0.22
April 24	64	42	0.20
April 25	62	41	0.00
April 26	66	34	0.00
April 27	70	35	0.00
April 28	73	38	0.00
April 29	71	43	0.00
April 30	55	33	0.00

May 1978 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	55	27	0.00
May 2	60	30	0.00
May 3	66	32	0.00
May 4	52	39	0.08
May 5	47	33	0.04
May 6	63	30	0.00
May 7	51	44	0.66
May 8	71	49	0.03
May 9	57	45	0.00
May 10	75	37	0.00
May 11	68	60	0.28
May 12	78	52	1.13
May 13	52	42	1.50
May 14	48	44	0.01
May 15	64	47	0.00
May 16	61	46	0.00
May 17	72	43	0.00
May 18	78	46	0.00
May 19	80	51	0.00
May 20	77	49	0.00
May 21	67	42	0.00
May 22	72	40	0.00
May 23	66	57	0.00
May 24	76	58	0.00
May 25	87	56	0.00
May 26	91	66	0.00
May 27	92	68	0.00
May 28	89	66	0.10
May 29	88	65	0.01
May 30	80	58	0.00
May 31	90	54	0.00

June 1978 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	81	59	0.00
June 2	71	50	0.00
June 3	76	44	0.00
June 4	82	46	0.00
June 5	80	49	0.00
June 6	86	59	0.00
June 7	86	57	0.55
June 8	71	48	0.00
June 9	81	45	0.00
June 10	85	52	0.00
June 11	93	63	0.01
June 12	78	51	0.10
June 13	72	42	0.00
June 14	75	48	0.00
June 15	82	64	0.00
June 16	74	62	0.92
June 17	87	66	0.55
June 18	78	58	0.00
June 19	82	53	0.00
June 20	77	61	0.01
June 21	76	52	0.00
June 22	81	51	0.00
June 23	80	62	0.00
June 24	89	62	0.00
June 25	76	67	2.55
June 26	91	71	0.47
June 27	85	70	0.02
June 28	85	64	0.00
June 29	88	69	0.00
June 30	85	69	0.45

July 1978 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	84	68	1.42
July 2	76	67	1.70
July 3	76	65	0.00
July 4	81	67	0.00
July 5	85	64	0.00
July 6	90	70	0.75
July 7	84	70	0.01
July 8	80	65	0.00
July 9	83	64	0.25
July 10	75	58	0.00
July 11	75	55	0.00
July 12	75	56	0.48
July 13	83	63	0.00
July 14	79	59	0.00
July 15	87	62	0.00
July 16	83	63	0.04
July 17	85	64	0.00
July 18	85	72	0.00
July 19	85	73	0.03
July 20	89	70	0.91
July 21	84	70	0.15
July 22	88	65	1.10
July 23	77	60	0.00
July 24	80	57	0.00
July 25	83	58	0.00
July 26	83	68	0.41
July 27	80	63	0.00
July 28	79	59	0.00
July 29	79	58	0.02
July 30	68	57	0.00
July 31	80	51	0.14

August 1978 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	80	56	0.00
August 2	82	67	0.06
August 3	74	53	0.00
August 4	74	47	0.00
August 5	76	49	0.00
August 6	83	53	0.00
August 7	85	56	0.00
August 8	89	62	0.15
August 9	85	65	0.02
August 10	80	57	0.00
August 11	81	65	0.00
August 12	85	65	0.00
August 13	87	65	0.00
August 14	88	65	0.00
August 15	89	67	0.56
August 16	84	64	0.00
August 17	84	62	0.00
August 18	87	71	0.11
August 19	78	57	0.85
August 20	80	52	0.00
August 21	77	55	0.00
August 22	84	63	0.00
August 23	88	63	0.00
August 24	88	70	0.28
August 25	79	67	0.00
August 26	82	69	0.02
August 27	79	69	0.05
August 28	81	65	0.55
August 29	79	59	0.00
August 30	82	56	0.00
August 31	82	57	0.00

September 1978 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	84	59	0.00
September 2	86	59	0.00
September 3	85	58	0.00
September 4	82	53	0.00
September 5	87	55	0.00
September 6	88	58	0.00
September 7	92	58	0.00
September 8	95	65	0.00
September 9	93	64	0.00
September 10	93	65	0.00
September 11	90	66	0.03
September 12	83	64	0.27
September 13	85	64	2.41
September 14	78	58	0.22
September 15	84	54	0.00
September 16	77	62	0.17
September 17	72	61	0.89
September 18	84	64	0.02
September 19	90	71	0.00
September 20	77	59	0.26
September 21	68	49	0.00
September 22	69	45	0.00
September 23	72	42	0.00
September 24	79	46	0.00
September 25	70	48	0.00
September 26	76	45	0.00
September 27	68	44	0.00
September 28	68	38	0.00
September 29	75	45	0.04
September 30	64	53	0.02

October 1978 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	69	40	0.00
October 2	73	45	0.28
October 3	66	48	0.02
October 4	62	46	0.21
October 5	57	50	0.01
October 6	53	38	0.00
October 7	53	35	0.00
October 8	58	29	0.00
October 9	72	45	0.03
October 10	60	49	0.03
October 11	62	52	0.00
October 12	57	43	0.01
October 13	60	33	0.00
October 14	50	31	0.00
October 15	57	32	0.08
October 16	54	34	0.00
October 17	57	28	0.00
October 18	61	38	0.00
October 19	63	33	0.00
October 20	74	36	0.00
October 21	81	47	0.00
October 22	68	48	0.05
October 23	50	31	0.00
October 24	57	29	0.00
October 25	59	45	0.15
October 26	54	35	0.00
October 27	65	33	0.00
October 28	55	34	0.00
October 29	58	37	0.00
October 30	70	37	0.00
October 31	61	34	0.00

November 1978 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
November 1	59	26	0.00	0.0
November 2	71	34	0.00	0.0
November 3	75	36	0.00	0.0
November 4	74	44	0.00	0.0
November 5	74	45	0.13	0.0
November 6	47	32	0.02	0.0
November 7	51	26	0.00	0.0
November 8	58	30	0.00	0.0
November 9	63	36	0.00	0.0
November 10	63	40	0.00	0.0
November 11	48	39	0.00	0.0
November 12	44	39	0.08	0.0
November 13	63	35	0.63	0.0
November 14	38	26	0.00	0.0
November 15	40	26	0.00	0.0
November 16	41	25	0.10	0.0
November 17	50	35	0.76	0.0
November 18	50	31	0.00	0.0
November 19	35	23	0.00	0.0
November 20	29	23	0.03	0.3
November 21	29	23	0.00	0.0
November 22	35	25	0.31	0.7
November 23	38	29	0.10	0.0
November 24	36	23	0.00	0.0
November 25	36	20	0.00	0.0
November 26	36	29	0.13	1.6
November 27	33	29	0.09	1.1
November 28	29	15	0.02	0.4
November 29	37	15	0.06	0.5
November 30	24	8	0.00	0.0

December 1978 Rockford Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	27	20	0.39	5.7
December 2	31	16	0.22	0.8
December 3	34	10	0.33	0.0
December 4	31	6	0.00	0.0
December 5	34	28	0.08	0.9
December 6	28	12	0.00	0.0
December 7	17	11	0.26	2.9
December 8	15	2	0.00	0.0
December 9	10	-10	0.00	0.0
December 10	18	-12	0.00	0.0
December 11	32	18	0.00	0.0
December 12	38	26	0.00	0.0
December 13	33	19	0.00	0.0
December 14	33	11	0.00	0.0
December 15	37	24	0.00	0.0
December 16	36	19	0.00	0.0
December 17	32	15	0.00	0.0
December 18	39	27	0.00	0.0
December 19	33	31	0.00	0.0
December 20	33	25	0.08	0.0
December 21	25	13	0.00	0.0
December 22	33	20	0.00	0.0
December 23	37	17	0.06	0.0
December 24	35	19	0.08	0.0
December 25	24	10	0.03	0.9
December 26	21	5	0.01	0.2
December 27	18	-1	0.00	0.0
December 28	29	17	0.19	2.7
December 29	34	28	0.20	0.6
December 30	34	14	0.22	1.9
December 31	20	14	0.61	8.5

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Weather Station Details

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