Waterloo Weather in 2003

Historical record of Waterloo, Iowa weather for the year 2003 based on NOAA data.

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2003 Waterloo Weather Extremes
Highest temperature	98 °F	August 25
Lowest temperature	-13 °F	February 25
Highest daily low	74 °F	August 20
Lowest daily high	11 °F	February 24
Most daily precipitation	2.4 inches	November 3
Most daily snow	7.2 inches	April 7
Total annual precipitation	26.9 inches	-
Total annual snow	31.2 inches	-

What was the hottest temperature in Waterloo in 2003?

The highest temperature recorded in Waterloo, Iowa in 2003 was 98 °F which happened 2 different times.

Highest Temperatures: All-Time By Year

Highest Temperatures in Waterloo in 2003

Rank	Temperature	Date
1	98 °F	Aug 25
1	98 °F	Aug 20
3	97 °F	Aug 26
3	97 °F	Jun 24
5	96 °F	Aug 24
5	96 °F	Jul 3
7	95 °F	Aug 16
8	93 °F	Aug 28
8	93 °F	Aug 27
8	93 °F	Aug 19
8	93 °F	Aug 18
8	93 °F	Aug 15
8	93 °F	Jul 26

What was the coldest temperature in Waterloo in 2003?

The lowest temperature recorded in Waterloo, Iowa in 2003 was -13 °F which happened on Feb 25.

Lowest Temperatures: All-Time By Year

Lowest Temperatures in Waterloo in 2003

Rank	Temperature	Date
1	-13 °F	February 25
2	-9 °F	February 9
2	-9 °F	February 7
4	-8 °F	January 23
5	-7 °F	February 24
6	-6 °F	February 26
6	-6 °F	January 26
8	-4 °F	February 17
8	-4 °F	February 10
10	-3 °F	February 12
10	-3 °F	February 6

January 2003 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
January 1	31	19	0.00	0.0
January 2	31	13	0.00	0.0
January 3	37	7	0.00	0.0
January 4	36	20	0.00	0.0
January 5	35	30	0.00	0.0
January 6	36	19	0.00	0.0
January 7	59	24	0.00	0.0
January 8	60	29	0.00	0.0
January 9	41	20	0.00	0.0
January 10	22	10	0.00	0.0
January 11	24	4	0.00	0.0
January 12	44	0	0.00	0.0
January 13	20	9	0.00	0.0
January 14	21	3	0.01	0.5
January 15	21	1	0.00	0.0
January 16	30	10	0.00	0.0
January 17	23	1	0.00	0.0
January 18	22	5	0.00	0.4
January 19	36	2	0.00	0.0
January 20	21	8	0.00	0.0
January 21	19	-1	0.00	0.0
January 22	13	1	0.00	0.0
January 23	14	-8	0.00	0.0
January 24	24	-1	0.00	0.0
January 25	30	8	0.04	0.8
January 26	14	-6	0.00	0.0
January 27	28	1	0.03	0.6
January 28	35	24	0.10	0.5
January 29	25	8	0.00	0.0
January 30	36	16	0.04	0.0
January 31	36	33	0.15	0.5

February 2003 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
February 1	46	32	0.03	0.0
February 2	43	28	0.00	0.0
February 3	36	18	0.13	3.2
February 4	18	5	0.00	0.0
February 5	26	-1	0.00	0.0
February 6	26	-3	0.00	0.0
February 7	16	-9	0.00	0.0
February 8	26	2	0.00	0.0
February 9	24	-9	0.00	0.0
February 10	23	-4	0.02	0.7
February 11	38	-1	0.01	0.2
February 12	26	-3	0.00	0.0
February 13	40	1	0.00	0.0
February 14	36	17	0.33	3.3
February 15	26	6	0.00	0.0
February 16	26	0	0.00	0.0
February 17	28	-4	0.00	0.0
February 18	45	23	0.00	0.0
February 19	44	15	0.00	0.0
February 20	54	27	0.00	0.0
February 21	54	28	0.00	0.0
February 22	31	17	0.00	0.0
February 23	21	9	0.04	0.5
February 24	11	-7	0.00	0.1
February 25	15	-13	0.00	0.0
February 26	28	-6	0.00	0.0
February 27	38	2	0.00	0.0
February 28	42	10	0.00	0.0

March 2003 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
March 1	35	18	0.00	0.0
March 2	29	4	0.00	0.0
March 3	31	8	0.10	1.5
March 4	19	8	0.28	3.5
March 5	16	-2	0.00	0.0
March 6	31	2	0.00	0.0
March 7	32	10	0.00	0.0
March 8	24	1	0.01	0.2
March 9	13	-2	0.00	0.0
March 10	19	-1	0.00	0.0
March 11	47	15	0.00	0.0
March 12	48	25	0.00	0.0
March 13	46	31	0.00	0.0
March 14	56	30	0.00	0.0
March 15	64	34	0.00	0.0
March 16	73	41	0.00	0.0
March 17	78	36	0.00	0.0
March 18	59	45	0.00	0.0
March 19	45	37	0.32	0.0
March 20	48	35	0.01	0.0
March 21	44	33	0.00	0.0
March 22	60	31	0.00	0.0
March 23	73	27	0.00	0.0
March 24	66	47	0.00	0.0
March 25	60	31	0.00	0.0
March 26	56	33	0.06	0.0
March 27	60	42	0.38	0.0
March 28	45	32	0.10	0.0
March 29	44	22	0.00	0.0
March 30	50	20	0.00	0.0
March 31	61	23	0.00	0.0

April 2003 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
April 1	88	35	0.00	0.0
April 2	83	42	0.00	0.0
April 3	62	36	0.00	0.0
April 4	36	24	0.26	1.5
April 5	36	22	0.00	0.0
April 6	44	24	0.02	0.0
April 7	31	27	0.47	7.2
April 8	37	21	0.00	0.0
April 9	47	11	0.00	0.0
April 10	66	25	0.00	0.0
April 11	75	30	0.00	0.0
April 12	70	35	0.00	0.0
April 13	76	38	0.00	0.0
April 14	90	54	0.00	0.0
April 15	88	60	0.00	0.0
April 16	73	41	0.41	0.0
April 17	48	38	0.00	0.0
April 18	53	41	0.29	0.0
April 19	63	49	0.73	0.0
April 20	53	46	0.00	0.0
April 21	62	38	0.01	0.0
April 22	66	30	0.00	0.0
April 23	69	33	0.00	0.0
April 24	60	48	0.00	0.0
April 25	73	41	0.00	0.0
April 26	75	40	0.00	0.0
April 27	80	50	0.00	0.0
April 28	73	46	0.00	0.0
April 29	60	40	0.05	0.0
April 30	56	50	1.75	0.0

May 2003 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
May 1	69	49	0.01
May 2	65	49	0.00
May 3	69	45	0.00
May 4	55	47	1.63
May 5	59	45	0.01
May 6	72	39	0.65
May 7	63	47	0.25
May 8	57	40	1.20
May 9	71	52	0.22
May 10	71	44	0.27
May 11	53	45	0.00
May 12	68	45	0.00
May 13	70	39	0.41
May 14	73	53	0.30
May 15	67	47	0.00
May 16	72	43	0.00
May 17	73	48	0.00
May 18	81	51	0.00
May 19	78	54	0.00
May 20	64	45	0.00
May 21	66	39	0.00
May 22	68	40	0.01
May 23	69	45	0.00
May 24	71	46	0.00
May 25	78	43	0.00
May 26	81	44	0.00
May 27	85	45	0.00
May 28	82	54	0.01
May 29	81	49	0.00
May 30	90	57	0.09
May 31	74	51	0.00

June 2003 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
June 1	74	51	0.00
June 2	61	52	0.25
June 3	70	52	0.00
June 4	74	51	0.01
June 5	80	49	0.00
June 6	68	52	2.12
June 7	71	50	0.27
June 8	73	55	0.47
June 9	79	52	0.02
June 10	83	62	0.11
June 11	77	59	0.00
June 12	82	54	0.00
June 13	88	62	0.00
June 14	86	64	0.00
June 15	86	60	0.00
June 16	87	59	0.00
June 17	89	57	0.00
June 18	90	66	0.00
June 19	81	57	0.00
June 20	81	47	0.00
June 21	86	53	0.00
June 22	90	62	0.00
June 23	90	71	0.00
June 24	97	69	0.01
June 25	86	61	1.01
June 26	76	56	0.00
June 27	85	57	0.08
June 28	83	63	0.10
June 29	84	62	0.00
June 30	86	58	0.00

July 2003 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
July 1	87	58	0.00
July 2	90	64	0.00
July 3	96	74	0.00
July 4	90	70	0.03
July 5	87	65	1.45
July 6	86	69	0.09
July 7	90	68	0.07
July 8	76	62	0.56
July 9	78	67	0.45
July 10	74	63	0.00
July 11	82	60	0.10
July 12	82	59	0.00
July 13	84	59	0.00
July 14	86	67	0.37
July 15	84	64	0.00
July 16	85	58	0.00
July 17	91	67	0.00
July 18	82	62	0.00
July 19	84	56	0.00
July 20	85	70	0.96
July 21	80	64	n/a
July 22	77	58	0.00
July 23	79	53	0.00
July 24	81	52	0.00
July 25	90	64	0.00
July 26	93	73	0.00
July 27	86	70	0.00
July 28	82	63	0.00
July 29	84	58	0.00
July 30	85	65	0.00
July 31	89	64	0.04

August 2003 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
August 1	84	60	0.02
August 2	82	58	0.00
August 3	82	57	0.00
August 4	79	55	0.00
August 5	71	54	0.00
August 6	85	60	0.00
August 7	86	59	0.00
August 8	82	58	0.00
August 9	83	53	0.00
August 10	84	59	0.02
August 11	85	56	0.00
August 12	81	57	0.00
August 13	83	56	0.00
August 14	86	61	0.00
August 15	93	63	0.00
August 16	95	63	0.00
August 17	91	65	0.00
August 18	93	68	0.00
August 19	93	72	0.03
August 20	98	74	0.00
August 21	89	62	0.00
August 22	83	54	0.00
August 23	86	55	0.00
August 24	96	65	0.00
August 25	98	66	0.00
August 26	97	64	0.12
August 27	93	57	0.00
August 28	93	66	0.00
August 29	88	57	0.00
August 30	75	56	0.00
August 31	75	56	0.00

September 2003 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
September 1	79	49	0.00
September 2	84	47	0.00
September 3	78	51	0.00
September 4	79	44	0.00
September 5	84	42	0.00
September 6	91	58	0.00
September 7	92	55	0.00
September 8	88	55	0.00
September 9	87	53	0.00
September 10	87	63	0.00
September 11	89	68	0.00
September 12	75	60	0.55
September 13	66	58	0.14
September 14	75	49	0.00
September 15	78	45	0.00
September 16	85	58	0.00
September 17	84	61	0.00
September 18	82	48	0.82
September 19	66	40	0.00
September 20	73	37	0.00
September 21	57	43	0.34
September 22	69	44	0.00
September 23	75	36	0.00
September 24	68	46	0.00
September 25	62	37	0.00
September 26	63	44	0.13
September 27	60	44	0.00
September 28	55	35	0.00
September 29	61	30	0.00
September 30	60	28	0.00

October 2003 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
October 1	53	23	0.00
October 2	56	19	0.00
October 3	68	43	0.00
October 4	73	33	0.00
October 5	73	38	0.00
October 6	75	45	0.00
October 7	82	48	0.00
October 8	82	52	0.00
October 9	80	57	0.00
October 10	77	56	0.00
October 11	74	46	0.25
October 12	69	37	0.00
October 13	68	47	0.35
October 14	64	39	0.00
October 15	61	31	0.00
October 16	53	28	0.00
October 17	60	26	0.00
October 18	79	42	0.00
October 19	82	39	0.00
October 20	87	54	0.00
October 21	67	42	0.00
October 22	68	33	0.00
October 23	63	33	0.00
October 24	53	36	0.15
October 25	54	32	0.00
October 26	41	31	0.00
October 27	48	20	0.01
October 28	46	38	0.07
October 29	40	31	0.01
October 30	69	36	0.00
October 31	46	34	0.00

November 2003 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)
November 1	41	29	0.05
November 2	43	38	0.30
November 3	45	37	2.37
November 4	48	32	0.55
November 5	32	28	0.00
November 6	39	18	0.00
November 7	35	12	0.00
November 8	33	10	0.00
November 9	43	12	0.00
November 10	45	32	0.01
November 11	58	31	0.00
November 12	47	30	0.00
November 13	42	25	0.00
November 14	46	31	0.00
November 15	46	41	0.00
November 16	49	35	0.00
November 17	55	40	0.12
November 18	57	39	0.16
November 19	59	33	0.00
November 20	69	37	0.00
November 21	44	32	0.00
November 22	38	34	0.00
November 23	37	18	0.07
November 24	27	13	0.00
November 25	44	19	0.00
November 26	42	14	0.00
November 27	42	22	0.00
November 28	28	15	0.00
November 29	47	12	0.00
November 30	61	27	0.00

December 2003 Waterloo Weather

Day	High (°F)	Low (°F)	Precip. (inches)	Snow (inches)
December 1	43	19	0.00	0.0
December 2	33	19	0.00	0.0
December 3	38	25	0.02	0.1
December 4	36	23	0.12	0.0
December 5	36	22	0.06	3.0
December 6	31	25	0.00	0.0
December 7	37	28	0.02	0.0
December 8	47	27	0.00	0.0
December 9	39	30	0.13	1.0
December 10	30	12	0.02	0.2
December 11	13	4	0.00	0.0
December 12	20	-1	0.00	0.0
December 13	25	4	0.00	0.2
December 14	26	25	0.00	0.0
December 15	37	25	0.00	0.0
December 16	35	14	0.01	0.0
December 17	31	7	0.06	0.8
December 18	31	21	0.01	0.7
December 19	28	4	0.00	0.0
December 20	32	9	0.00	0.0
December 21	43	31	0.00	0.0
December 22	41	27	0.00	0.0
December 23	32	16	0.00	0.0
December 24	34	11	0.00	0.0
December 25	43	10	0.00	0.0
December 26	45	30	0.00	0.0
December 27	50	40	0.02	0.0
December 28	49	28	0.00	0.0
December 29	31	23	0.00	0.0
December 30	43	14	0.00	0.0
December 31	39	17	0.00	0.0

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Weather Station Details

Years	Station	Coordinates
1950–2024	Waterloo Municipal Airport	location
1895–1950	Waterloo	location