Waterloo, IA: March

31 March 2026: March 2026 averaged 41.9°F in Waterloo, IA, the warmest March since 2025, 9th warmest of 131.

March 2026

Mean temperature: 41.9°F; Warmest since 2025; 9th warmest of 131
Precipitation: 2.20 in; Wettest since 2025; 52nd wettest of 131

A normal March in Waterloo, IA (1991 to 2020): a mean temperature of 35.5°F, between 29.9°F and 40.8°F in eight years of ten and 1.64 in of precipitation, between 0.86 in and 3.41 in in eight years of ten.

The mean temperature of every March in Waterloo, IA since 1895: 41.9°F in 2026; the highest is 51.1°F, in 2012.

Normal range, 29.9 to 40.8°F

Every year, ranked, as a table

Every March in Waterloo, IA from 1895 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

Year	Mean, °F	Rank	High, °F	Rank	Low, °F	Rank	Precipitation, in	Rank	Days missing
2026	41.9	9	54.8	6	28.9	25	2.20	52	0
2025	44.1	5	57.2	4	31	9	2.38	44	0
2024	41.3	11	53.7	9	28.9	25	2.50	39	0
2023	34.9	65	44.9	63	24.9	64	1.70	71	0
2022	36.6	50	45.9	58	27.4	38	3.45	12	0
2021	40.9	13	51	14	30.8	11	2.00	56	0
2020	41.2	12	50	19	32.4	6	3.00	28	0
2019	31	98	40.1	94	21.8	99	1.85	61	0
2018	32.5	79	41.5	81	23.4	82	1.67	72	0
2017	35.1	64	44.3	67	25.9	55	2.05	55	0
2016	40.7	14	51	14	30.4	13	2.87	32	0
2015	35.5	60	48	37	22.9	89	0.60	123	0
2014	28.2	118	37.4	113	19.1	117	1.51	86	0
2013	26.6	123	35.3	124	18	123	2.57	37	0
2012	51.1	1	62.3	1	39.9	1	1.27	99	0
2011	34	70	43.6	70	24.3	72	1.78	67	0
2010	38.8	28	50	19	27.6	36	0.99	109	0
2009	36.7	47	47.5	42	25.9	55	3.08	23	0
2008	30	109	37.9	110	22.1	95	1.61	74	0
2007	40.2	16	49.2	26	31.2	8	1.61	74	0
2006	35.7	57	45.7	60	25.6	58	2.92	31	0
2005	35.4	63	46.1	57	24.7	66	1.14	104	0
2004	39.9	19	49.1	28	30.7	12	3.34	15	0
2003	34.6	68	46.2	56	23.1	86	1.26	100	0
2002	31.4	92	41.7	78	21	107	0.75	120	0
2001	28.5	114	35.8	121	21.3	104	1.40	90	0
2000	42.5	7	54.5	7	30.4	13	1.21	102	0
1999	35.8	56	46.9	51	24.7	66	0.87	117	0
1998	33.6	72	41	88	26.3	49	4.49	3	0
1997	35.5	60	45.1	62	26	52	1.56	81	0
1996	30.2	106	41.6	79	18.7	119	0.99	109	0
1995	37.6	39	47.5	42	27.6	36	2.68	36	0
1994	36.6	50	47.8	39	25.4	62	0.16	130	0
1993	30.5	103	37.2	115	23.8	79	4.00	7	0
1992	37.4	41	46.8	52	28	29	2.27	49	0
1991	37.9	36	47.9	38	28	29	4.00	7	0
1990	39.4	22	49.4	25	29.5	21	4.46	4	0
1989	32.2	83	41.2	86	23.2	84	0.93	114	0
1988	36.2	54	47.4	46	25	63	1.37	93	0
1987	39.2	24	48.4	32	30	16	2.48	40	0
1986	38.2	31	48.4	32	28	29	1.77	69	0
1985	39.1	26	48.3	35	30	16	2.86	33	0
1984	26.3	124	33.9	126	18.8	118	1.40	90	0
1983	36.3	53	43.2	72	29.4	22	3.80	10	0
1982	32.3	81	40.5	91	24.1	74	2.51	38	0
1981	38.5	30	50.8	17	26.1	51	0.25	129	0
1980	30.3	104	40	96	20.6	109	0.86	118	0
1979	31.7	90	39.4	101	24.1	74	3.06	25	0
1978	28.2	118	37.9	110	18.5	120	0.50	126	0
1977	40.1	17	49.9	22	30.3	15	3.04	26	0
1976	35.9	55	45.8	59	26	52	3.14	21	0
1975	24.9	127	33.3	128	16.4	126	2.35	46	0
1974	32.8	77	41.6	79	24.1	74	1.63	73	0
1973	41.8	10	50.7	18	32.9	5	3.22	19	0
1972	30.8	100	40	96	21.5	102	1.78	67	0
1971	29.5	110	36.9	116	22.2	93	1.36	94	0
1970	29.1	112	37.8	112	20.3	112	2.48	40	0
1969	26.1	125	36	119	16.2	127	0.99	109	0
1968	39.4	22	52.3	13	26.5	47	1.30	97	0
1967	36.5	52	47.1	49	26	52	2.47	42	0
1966	38.7	29	49.6	24	27.7	35	3.40	14	0
1965	21.9	130	28.6	132	15.2	130	3.44	13	0
1964	28.4	116	38.5	107	18.3	122	1.24	101	0
1963	37.1	46	47.4	46	26.7	43	3.27	17	0
1962	26	126	33.5	127	18.4	121	2.14	53	0
1961	34.8	67	41.4	83	28.2	28	5.43	1	0
1960	18.7	131	29.4	131	8	131	1.56	81	0
1959	32.3	81	40.6	90	24.1	74	4.21	5	0
1958	32.8	77	41	88	24.5	69	0.34	128	0
1957	33.7	71	43.5	71	23.8	79	0.86	118	0
1956	30.1	108	38.6	106	21.6	101	0.97	112	0
1955	32.2	83	42.6	76	21.9	96	0.90	116	0
1954	31.2	96	40.3	93	21.9	96	1.34	95	3
1953	35.7	57	44.8	64	26.7	43	3.10	22	0
1952	31.8	88	39	104	24.6	68	3.01	27	0
1951			34.2	125			3.72	11	6
1950	28.5	114	36.2	118	20.8	108			0
1949	32.4	80	39.9	98	24.9	64	1.85	61	0
1948	32	86	42.7	75	21.2	106	3.07	24	0
1947	31.2	96	39.3	102	23.2	84	1.10	106	0
1946	44.8	4	55.1	5	34.4	2	3.90	9	0
1945	46.6	3	59	3	34.1	3	2.98	29	0
1944	29.5	110	36.7	117	22.3	92	2.37	45	0
1943	30.7	102	41.5	81	19.8	115	1.56	81	0
1942	38	35	46.8	52	29.3	23	1.50	87	0
1941	32	86	40.5	91	23.6	81	1.39	92	0
1940	30.2	106	38.1	109	22.2	93	1.15	103	0
1939	35.5	60	46.8	52	24.3	72	1.06	108	0
1938	43.2	6	54.5	7	31.9	7	3.15	20	0
1937	31.8	88	40.1	94	23.4	82	1.71	70	0
1936	37.2	44	47.3	48	27.1	40	1.85	61	0
1935	39.2	24	49.2	26	29.2	24	1.60	77	0
1934	33.4	73	44.3	67	22.4	91	0.92	115	0
1933	35.7	57	45.5	61	25.9	55	5.40	2	0
1932	27	122	36	119	18	123	1.90	59	0
1931	34.9	65	44.2	69	25.5	61	1.80	66	0
1930	36.7	47	49.1	28	24.4	71	1.09	107	0
1929	37.2	44	47.6	41	26.9	42	1.92	58	0
1928	37.4	41	48.3	35	26.6	45	1.58	80	0
1927	40	18	50	19	30	16	1.30	97	0
1926	30.8	100	39.8	99	21.8	99	0.96	113	0
1925	39.6	21	53	12	26.2	50	0.73	121	0
1924	31.4	92	38.3	108	24.5	69	4.18	6	0
1923	28.3	117	39.3	102	17.2	125	3.24	18	0
1922	38.1	33	48.5	31	27.8	34	1.60	77	0
1921	42	8	53.1	10	30.9	10	1.42	89	0
1920	37.7	37	48.4	32	27	41	2.40	43	0
1919	36.7	47	47.8	39	25.6	58	2.30	47	0
1918	39.8	20	53.1	10	26.5	47	1.12	105	0
1917	31.6	91	41.3	85	21.9	96	1.85	61	0
1916	32.9	75	44.5	65	21.3	104	1.46	88	0
1915	28	120	35.6	122	20.4	110	0.57	124	0
1914	33	74	43.1	73	22.8	90	1.52	85	0
1913	31.4	92	41.4	83	21.5	102	3.30	16	0
1912	24.1	128	32.6	129	15.6	129	1.34	95	0
1911	38.1	33	49.7	23	26.6	45	0.71	122	0
1910	46.8	2	60	2	33.5	4	0.09	131	0
1909	31.3	95	39.6	100	23	87	1.81	65	0
1908	37.7	37	47.5	42	27.9	32	1.61	74	0
1907	40.5	15	50.9	16	30	16	2.26	50	0
1906	27.9	121	35.4	123	20.4	110	2.14	53	0
1905	39	27	49.1	28	28.9	25	1.96	57	0
1904	34.2	69	42.8	74	25.6	58	2.84	35	0
1903	38.2	31	46.8	52	29.7	20	1.60	77	0
1902	37.5	40	47	50	27.9	32	2.29	48	0
1901	32.9	75	41.8	77	23.9	78	2.95	30	0
1900	28.7	113	37.3	114	20.1	113	2.86	33	0
1899	23.4	129	30.9	130	15.8	128	2.23	51	0
1898	37.4	41	47.5	42	27.3	39	1.89	60	0
1897	31	98	39	104	23	87	1.54	84	0
1896	30.3	104	41.1	87	19.5	116	0.54	125	0
1895	32.2	83	44.5	65	19.9	114	0.41	127	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2012	51.1
1910	46.8
1945	46.6
1946	44.8
2025	44.1
1938	43.2
2000	42.5
1921	42
2026	41.9
1973	41.8

Coldest
Year	Mean, °F
1960	18.7
1965	21.9
1899	23.4
1912	24.1
1975	24.9
1962	26
1969	26.1
1984	26.3
2013	26.6
1932	27

Wettest
Year	Precipitation, in
1961	5.43
1933	5.40
1998	4.49
1990	4.46
1959	4.21
1924	4.18
1993	4.00
1991	4.00
1946	3.90
1983	3.80

Driest
Year	Precipitation, in
1910	0.09
1994	0.16
1981	0.25
1958	0.34
1895	0.41
1978	0.50
1896	0.54
1915	0.57
2015	0.60
1911	0.71

The hottest, coldest and wettest days

Hottest day: 87°F; 21 March 2026
Coldest night: 4°F; 17 March 2026
Wettest day: 1.61 in; 6 March 2026

Every month, season and year

Months

Seasons

Years

Waterloo, IA the day's answers

All-time records

Every answer in words

March 2026 brought 2.20 in of precipitation in Waterloo, IA, the wettest March since 2025, 52nd wettest of 131.
The hottest day of March 2026 in Waterloo, IA: 87°F on Saturday 21 March 2026.
The coldest night of March 2026 in Waterloo, IA: a low of 4°F on Tuesday 17 March 2026.
The wettest day of March 2026 in Waterloo, IA: 1.61 in on Friday 6 March 2026.