Sterling-Dulles Airport, VA: August

31 August 2026: August 2026 averaged 77.5°F in Sterling-Dulles Airport, VA, the warmest August since 2022, tied 11th warmest of 65 (with 2022 and 1995).

August 2026

Mean temperature: 77.5°F; Warmest since 2022; 11th warmest of 65
Precipitation: 4.85 in; Wettest since 2024; 18th wettest of 65

A normal August in Sterling-Dulles Airport, VA (1991 to 2020): a mean temperature of 76.3°F, between 72.7°F and 78.1°F in eight years of ten and 3.77 in of precipitation, between 1.08 in and 5.59 in in eight years of ten.

The mean temperature of every August in Sterling-Dulles Airport, VA since 1962: 77.5°F in 2026; the highest is 79.4°F, in 2016.

Normal range, 72.7 to 78.1°F

Every year, ranked, as a table

Every August in Sterling-Dulles Airport, VA from 1962 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
2026	77.5	11	86.7	28	68.2	4	4.85	18
2025	72.2	58	82.6	62	61.7	51	0.85	62
2024	76.9	21	87.9	16	65.9	20	5.13	14
2023	77.2	14	88.1	15	66.4	17	1.85	51
2022	77.5	11	88.4	14	66.7	15	2.30	47
2021	78.6	3	88.9	10	68.3	3	4.93	16
2020	77.7	9	86.6	30	68.8	1	7.64	3
2019	76.2	26	87.6	19	64.8	24	4.79	20
2018	77.2	14	86.6	30	67.7	9	7.23	4
2017	73.3	49	82.9	61	63.8	35	3.83	31
2016	79.4	1	90.3	1	68.6	2	0.96	60
2015	74.6	35	85.4	38	63.8	35	1.09	58
2014	71.8	62	82	63	61.7	51	5.15	13
2013	73.6	46	83.1	59	64.2	31	1.95	50
2012	77.1	17	87.4	22	66.8	14	3.02	40
2011	76.3	23	87.3	24	65.3	22	3.74	34
2010	77	19	86.8	25	67.2	11	4.42	26
2009	78.3	5	88.6	12	68.1	5	2.75	42
2008	73.8	42	85.2	42	62.3	47	2.48	45
2007	78.7	2	89.4	7	68	6	1.67	53
2006	78	7	89.1	9	67	13	1.24	57
2005	77.7	9	87.4	22	68	6	2.32	46
2004	73.6	46	83.5	53	63.7	38	3.79	32
2003	76.2	26	85.3	39	67.1	12	5.55	9
2002	78.1	6	89.7	6	66.5	16	2.91	41
2001	76.5	22	86.7	28	66.3	18	4.52	24
2000	72.7	54	81.7	64	63.8	35	5.92	6
1999	75.4	30	87.5	21	63.2	41	5.43	10
1998	76.2	26	89.2	8	63.2	41	0.44	64
1997	73.3	49	85.3	39	61.3	55	5.32	12
1996	72.7	54	83.2	58	62.2	48	4.16	29
1995	77.5	11	90	4	65.1	23	2.02	49
1994	73.7	45	84.2	51	63.3	40	4.62	23
1993	77.9	8	90	4	65.9	20	4.68	22
1992	70.4	65	81.5	65	59.3	63	1.33	56
1991	77	19	90.3	1	63.7	38	0.99	59
1990	73.8	42	83.4	54	64.1	32	5.56	8
1989	74.4	36	84.5	45	64.3	28	0.76	63
1988	78.4	4	88.8	11	67.9	8	3.92	30
1987	75.4	30	87.6	19	63.2	41	0.96	60
1986	72.5	56	83.3	56	61.7	51	5.72	7
1985	73.4	48	85.2	42	61.6	54	3.35	37
1984	74.1	40	84.3	48	64	33	10.71	1
1983	75.3	33	88.6	12	62	50	1.34	55
1982	72.3	57	84	52	60.6	59	3.36	36
1981	71.9	61	84.3	48	59.5	62	3.55	35
1980	77.1	17	90.1	3	64	33	1.67	53
1979	74.3	38	84.4	47	64.3	28	6.05	5
1978	77.2	14	86.8	25	67.5	10	4.29	27
1977	76.3	23	87.9	16	64.6	25	4.18	28
1976	71.4	64	84.5	45	58.4	65	3.13	39
1975	75.4	30	86.5	32	64.4	27	5.38	11
1974	74.4	36	84.3	48	64.5	26	4.84	19
1973	76.3	23	86.5	32	66.2	19	3.18	38
1972	73.3	49	85.5	37	61	58	2.09	48
1971	72.8	52	84.6	44	61.1	56	4.45	25
1970	72.1	60	85.3	39	59	64	2.65	43
1969	71.8	62	83.4	54	60.3	60	5.07	15
1968	75.5	29	86.8	25	64.3	28	4.90	17
1967	72.8	52	83	60	62.6	46	9.28	2
1966	74	41	85.8	35	62.1	49	1.79	52
1965	74.7	34	86.4	34	63.1	44	3.75	33
1964	72.2	58	83.3	56	61.1	56	2.49	44
1963	74.3	38	85.6	36	63	45	4.70	21
1962	73.8	42	87.7	18	59.9	61	0.23	65

Warmest, coldest, wettest and driest

Warmest
Year	Mean, °F
2016	79.4
2007	78.7
2021	78.6
1988	78.4
2009	78.3
2002	78.1
2006	78
1993	77.9
2020	77.7
2005	77.7

Coldest
Year	Mean, °F
1992	70.4
1976	71.4
2014	71.8
1969	71.8
1981	71.9
1970	72.1
2025	72.2
1964	72.2
1982	72.3
1986	72.5

Wettest
Year	Precipitation, in
1984	10.71
1967	9.28
2020	7.64
2018	7.23
1979	6.05
2000	5.92
1986	5.72
1990	5.56
2003	5.55
1999	5.43

Driest
Year	Precipitation, in
1962	0.23
1998	0.44
1989	0.76
2025	0.85
2016	0.96
1987	0.96
1991	0.99
2015	1.09
2006	1.24
1992	1.33

The hottest, coldest and wettest days

Hottest day: 92°F; 10 August 2026
Coldest night: 56°F; 25 August 2026
Wettest day: 1.35 in; 16 August 2026

Every month, season and year

Months

Seasons

Years

Sterling-Dulles Airport, VA the day's answers

All-time records

Every answer in words

August 2026 brought 4.85 in of precipitation in Sterling-Dulles Airport, VA, the wettest August since 2024, 18th wettest of 65.
The hottest day of August 2026 in Sterling-Dulles Airport, VA: 92°F on Monday 10 August 2026.
The coldest night of August 2026 in Sterling-Dulles Airport, VA: a low of 56°F on Tuesday 25 August 2026.
The wettest day of August 2026 in Sterling-Dulles Airport, VA: 1.35 in on Sunday 16 August 2026.