Marathon, FL: August

31 August 2026: August 2026 averaged 85.9°F in Marathon, FL, the warmest August since 2025, tied 14th warmest of 68 (with 2025 and 2010).

August 2026

Mean temperature: 85.9°F; Warmest since 2025; 14th warmest of 68
Precipitation: 0.51 in; Driest on record; Driest of 68, provisional

A normal August in Marathon, FL (1991 to 2020): a mean temperature of 85.5°F, between 84.1°F and 86.7°F in eight years of ten and 3.92 in of precipitation, between 2.16 in and 9.62 in in eight years of ten.

The mean temperature of every August in Marathon, FL since 1950: 85.9°F in 2026; the highest is 88.1°F, in 2023.

Normal range, 84.1 to 86.7°F

Every year, ranked, as a table

Every August in Marathon, FL from 1950 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	85.9	14	89.9	53	81.9	2	0.51	68	0
2025	85.9	14	90.6	37	81.2	4	3.48	40	0
2024	85.6	21	90.5	40	80.8	8	8.81	7	0
2023	88.1	1	93.7	1	82.6	1	7.29	15	0
2022	87.3	2	93.6	2	81	7	2.42	58	0
2021	84.7	34	90	52	79.5	28	4.64	29	0
2020	86.1	12	91.5	22	80.8	8	1.78	65	0
2019	86.5	7	92.2	13	80.7	10	4.20	33	0
2018	84.5	41	90.5	40	78.5	39	3.64	37	0
2017	86.8	3	92.4	8	81.2	4	2.43	57	0
2016	84.7	34	90.6	37	78.8	36	8.53	10	0
2015	86.8	3	92.9	3	80.6	11	3.37	42	0
2014	86.2	11	92	16	80.4	17	6.92	17	0
2013	85.7	19	91.1	30	80.3	19	2.18	59	0
2012	85.8	17	91.2	26	80.4	17	4.94	26	0
2011	86.3	10	92.5	6	80.1	21	3.09	46	0
2010	85.9	14	92.1	15	79.8	23	8.56	9	1
2009	86.4	8	92.2	13	80.6	11	5.94	19	0
2008	85.4	24	91.2	26	79.5	28	13.12	1	0
2007	84.1	49	89.8	54	78.5	39	2.70	52	0
2006	84.9	32	90.9	32	78.8	36	8.08	11	0
2005	86.4	8	92.4	8	80.5	15	12.17	2	0
2004	85.8	17	92.3	11	79.3	32	1.97	61	0
2003	84.6	37	90.7	36	78.5	39	9.51	6	0
2002	86.7	6	92.8	5	80.6	11	3.47	41	0
2001	85.5	22	90.8	34	80.3	19	4.83	27	0
2000	85.3	25	90.9	32	79.7	26	4.73	28	2
1999	84.7	34	90.4	45	79	34	7.64	14	0
1998	86.8	3	92.3	11	81.2	4	2.98	50	0
1997	85.2	27	90.6	37	79.8	23	3.62	38	1
1996	84	50	89.5	57	78.4	44	2.49	56	0
1995	83.6	58	89.2	60	78	49	10.58	4	0
1994	82.8	66	88.5	66	77.1	59	7.75	12	0
1993	85.2	27	91.5	22	79	34	1.93	63	0
1992	84.8	33	89.6	55	79.9	22	2.72	51	0
1991	85.2	27	91.9	18	78.6	38	3.11	45	2
1990	84.4	43	88.9	62	79.7	26	1.40	67	1
1989	84.5	41	90.5	40	78.5	39	5.07	25	0
1988	82.8	66	88.8	63	76.8	62	8.59	8	0
1987	86	13	90.5	40	81.5	3	1.67	66	0
1986	83.5	61	87.5	68	79.5	28	7.25	16	0
1985	85.1	30	89.6	55	80.5	15	3.89	36	0
1984	84.4	43	88.1	67	80.6	11	3.27	43	0
1983	84.4	43	89.5	57	79.3	32	7.71	13	0
1982	84	50	88.6	65	79.5	28	3.98	35	0
1975									7
1974	83.1	65	88.8	63	77.3	58	5.67	22	0
1972	84.4	43	90.8	34	78	49	2.56	54	0
1971	83.9	53	90.4	45	77.4	57	3.12	44	0
1970	85.5	22	92.5	6	78.5	39	1.87	64	0
1969	84.6	37	91.6	21	77.5	53	4.18	34	0
1968	85.3	25	92.4	8	78.2	47	3.05	48	0
1967	83.5	61	90.4	45	76.6	63	5.82	20	0
1966	84.6	37	91.2	26	77.9	51	5.43	23	0
1965	84.6	37	91.2	26	78.1	48	3.57	39	0
1964	85	31	91.7	19	78.3	45	2.51	55	0
1963	83.9	53	90.3	49	77.5	53	5.81	21	0
1962	83.9	53	90.3	49	77.5	53	11.62	3	0
1961	84.4	43	90.4	45	78.3	45	2.70	52	1
1960	83.4	63	89.1	61	77.7	52	9.75	5	0
1959	83.2	64	89.4	59	77.1	59	4.61	30	0
1958	83.8	56	90.1	51	77.5	53	6.48	18	0
1957	83.7	57	90.5	40	77.1	59	5.16	24	1
1956	84	50	92	16	76	64	2.18	59	0
1955	83.6	58	91.3	24	75.9	65	3.08	47	0
1954	83.6	58	91.3	24	75.9	65	4.38	32	0
1953	81.9	68	91	31	72.8	68	3.01	49	0
1952	84.2	48	92.9	3	75.5	67	1.97	61	0
1950	85.7	19	91.7	19	79.8	23	4.59	31	0

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2023	88.1
2022	87.3
2017	86.8
2015	86.8
1998	86.8
2002	86.7
2019	86.5
2009	86.4
2005	86.4
2011	86.3

Coldest
Year	Mean, °F
1953	81.9
1994	82.8
1988	82.8
1974	83.1
1959	83.2
1960	83.4
1986	83.5
1967	83.5
1995	83.6
1955	83.6
More years share the last value

Wettest
Year	Precipitation, in
2008	13.12
2005	12.17
1962	11.62
1995	10.58
1960	9.75
2003	9.51
2024	8.81
1988	8.59
2010	8.56
2016	8.53

Driest
Year	Precipitation, in
2026	0.51
1990	1.40
1987	1.67
2020	1.78
1970	1.87
1993	1.93
2004	1.97
1952	1.97
2013	2.18
1956	2.18

The hottest, coldest and wettest days

Hottest day: 91°F; 26 August 2026, 19 August 2026, 18 August 2026, 16 August 2026, 15 August 2026, 14 August 2026, 13 August 2026, 10 August 2026, 1 August 2026
Coldest night: 76°F; 12 August 2026
Wettest day: 0.21 in; 9 August 2026

Every month, season and year

Months

Seasons

Years

Marathon, FL the day's answers

All-time records

Every answer in words

August 2026 brought 0.51 in of precipitation in Marathon, FL, the driest August on record, in 68 years since 1950 (1951 excluded: 31 of 31 days missing; 1973 excluded: 31 of 31 days missing; 1975 excluded: 5 of 31 days missing; 6 more years excluded for missing days); provisional.
The hottest day of August 2026 in Marathon, FL: 91°F on Wednesday 26 August 2026, Wednesday 19 August 2026, Tuesday 18 August 2026 and 6 other days.
The coldest night of August 2026 in Marathon, FL: a low of 76°F on Wednesday 12 August 2026.
The wettest day of August 2026 in Marathon, FL: 0.21 in on Sunday 9 August 2026.