Washington Dulles International Airport

Tuesday 13 August

Detailed hour-by-hour forecast.

Time	Weather	Temp.	Feels like	Dew point	Precip. mm	Wind speed m/s	Pressure hPa	Humidity %	Cloud cover %	Fog %	Low %	Middle %	High %
22		21°	21°	14°	0	2 m/s from north east2	1018	65	4	0	0	4	0
23		19°	19°	15°	0	2 m/s from north east2	1018	77	11	0	0	11	0

Wednesday 14 August

Detailed hour-by-hour forecast.

Time	Weather	Temp.	Feels like	Dew point	Precip. mm	Wind speed m/s	Pressure hPa	Humidity %	Cloud cover %	Fog %	Low %	Middle %	High %
00		20°	20°	15°	0	2 m/s from north east2	1018	76	6	0	3	3	0
01		19°	19°	15°	0	2 m/s from north2	1018	76	1	0	0	1	0
02		18°	18°	15°	0	2 m/s from north west2	1018	83	0	0	0	0	0
03		17°	17°	15°	0	3 m/s from north west3	1018	86	0	0	0	0	0
04		17°	17°	15°	0	3 m/s from north west3	1018	86	0	0	0	0	0
05		17°	17°	15°	0	3 m/s from north3	1018	90	1	0	0	1	0
06		17°	17°	15°	0	3 m/s from north3	1019	90	0	0	0	0	0
07		17°	17°	15°	0	3 m/s from north3	1019	88	0	0	0	0	0
08		19°	19°	16°	0	3 m/s from north3	1019	84	0	0	0	0	0
09		21°	21°	16°	0	2 m/s from north2	1019	75	0	0	0	0	0
10		23°	23°	17°	0	2 m/s from north2	1019	66	0	0	0	0	0
11		25°	25°	16°	0	3 m/s from north3	1019	58	1	0	1	1	0
12		26°	27°	16°	0	3 m/s from north3	1019	52	2	0	0	2	0
13		27°	27°	15°	0	3 m/s from north3	1018	47	8	0	0	8	0
14		28°	28°	14°	0	3 m/s from north3	1018	44	14	0	0	14	0
15		28°	28°	14°	0	3 m/s from north3	1018	42	16	0	0	16	0
16		28°	28°	14°	0	2 m/s from north2	1017	43	13	0	0	13	0
17		28°	28°	14°	0	2 m/s from north2	1017	44	13	0	0	13	0
18		27°	28°	15°	0	2 m/s from north2	1017	49	12	0	0	12	0
19		25°	25°	18°	0	2 m/s from north west2	1017	63	9	0	0	9	0
20		23°	23°	15°	0	2 m/s from north west2	1018	60	7	0	2	6	0
21		23°	23°	14°	0	2 m/s from north2	1018	58	2	0	2	0	0
22		22°	22°	14°	0	3 m/s from north3	1018	62	0	0	0	0	0
23		20°	20°	15°	0	3 m/s from north3	1019	73	0	0	0	0	0

Thursday 15 August

Detailed hour-by-hour forecast.

Time	Weather	Temp.	Feels like	Dew point	Precip. mm	Wind speed m/s	Pressure hPa	Humidity %	Cloud cover %	Fog %	Low %	Middle %	High %
00		19°	19°	15°	0	2 m/s from north2	1019	78	0	0	0	0	0
01		18°	18°	15°	0	2 m/s from north2	1019	81	0	0	0	0	0
02		18°	18°	15°	0	2 m/s from north2	1018	84	0	0	0	0	0
03		18°	18°	15°	0	2 m/s from north2	1018	83	0	0	0	0	0
04		17°	17°	15°	0	2 m/s from north west2	1018	86	0	0	0	0	0
05		17°	17°	15°	0	3 m/s from north west3	1018	87	0	0	0	0	0
06		17°	17°	15°	0	3 m/s from north west3	1019	88	0	0	0	0	0
07		17°	17°	15°	0	3 m/s from north3	1019	87	0	0	0	0	0
08		19°	19°	16°	0	3 m/s from north3	1019	82	0	0	0	0	0
09		22°	22°	17°	0	2 m/s from north2	1019	73	0	0	0	0	0
10		24°	24°	17°	0	2 m/s from north2	1019	63	0	0	0	0	0
11		26°	27°	16°	0	2 m/s from north2	1019	54	0	0	0	0	0
12		28°	28°	16°	0	2 m/s from north2	1019	47	11	0	0	11	0
13		28°	28°	15°	0	2 m/s from north2	1018	44	22	0	0	22	0
14		29°	29°	15°	0	1 m/s from north1	1018	43	20	0	0	9	12
15		29°	29°	15°	0	1 m/s from north1	1017	41	88	0	0	10	87
16		29°	29°	14°	0	1 m/s from north1	1017	40	56	0	0	6	52
17		29°	29°	14°	0	1 m/s from north east1	1017	41	100	0	0	3	100
18		28°	29°	16°	0	1 m/s from east1	1016	48	100	0	0	4	100
19		26°	26°	21°	0	2 m/s from east2	1016	73	100	0	0	2	100
20		23°	23°	21°	0	2 m/s from south east2	1017	85	96	0	0	3	96
21		23°	23°	19°	0	2 m/s from south east2	1017	82	100	0	0	2	100
22		22°	22°	17°	0	2 m/s from south2	1017	71	92	0	0	1	92
23		22°	22°	16°	0	3 m/s from south3	1017	68	23	0	0	0	23

Friday 16 August

Detailed hour-by-hour forecast.

Time	Weather	Temp.	Feels like	Dew point	Precip. mm	Wind speed m/s	Pressure hPa	Humidity %	Cloud cover %	Fog %	Low %	Middle %	High %
00		21°	21°	16°	0	3 m/s from south3	1017	73	47	0	0	0	47
01		20°	20°	16°	0	3 m/s from south3	1017	77	16	0	0	0	16
02		20°	20°	16°	0	3 m/s from south3	1017	77	76	0	0	0	76
03		19°	19°	15°	0	3 m/s from south west3	1017	77	99	0	0	0	99
04		19°	19°	15°	0	3 m/s from south3	1017	78	98	0	0	0	98
05		19°	19°	15°	0	3 m/s from south3	1017	81	10	0	0	0	10
06		18°	18°	16°	0	2 m/s from south2	1017	85	1	0	0	0	1
07		18°	18°	16°	0	3 m/s from south3	1017	87	5	0	0	3	1
08–14		20°	20°	17°	0	2 m/s from south2	1018	85	56	0	0	16	47
14–20		31°	31°	15°	0	3 m/s from south3	1015	39	98	0	0	49	98
20–02		26°	27°	18°	0	2 m/s from south east2	1013	63	89	0	6	89	4

Saturday 17 August

Detailed hour-by-hour forecast.

Time	Weather	Temp.	Feels like	Dew point	Precip. mm	Wind speed m/s	Pressure hPa	Humidity %	Cloud cover %	Fog %	Low %	Middle %	High %
02–08		23°	23°	18°	0.1	2 m/s from south2	1014	73	84	0	15	40	72
08–14		23°	23°	21°	0.7	4 m/s from south4	1013	88	100	0	100	4	36
14–20		29°	32°	22°	0.3	2 m/s from south2	1011	69	98	0	98	10	5
20–02		26°	29°	22°	23	3 m/s from south east3	1009	78	98	0	4	9	97

Sunday 18 August

Detailed hour-by-hour forecast.

Time	Weather	Temp.	Feels like	Dew point	Precip. mm	Wind speed m/s	Pressure hPa	Humidity %	Cloud cover %	Fog %	Low %	Middle %	High %
02–08		22°	22°	22°	0.1	2 m/s from south east2	1009	99	100	0	52	77	100
08–14		22°	22°	22°	0.7	1 m/s from south1	1010	97	100	0	100	79	14
14–20		27°	30°	23°	7.3	2 m/s from south2	1008	79	46	0	19	2	34
20–02		23°	23°	22°	0.1	2 m/s from south west2	1008	98	44	0	4	27	27

Monday 19 August

Detailed hour-by-hour forecast.

Time	Weather	Temp.	Feels like	Dew point	Precip. mm	Wind speed m/s	Pressure hPa	Humidity %	Cloud cover %	Fog %	Low %	Middle %	High %
02–08		21°	21°	21°	0	2 m/s from south west2	1008	100	81	0	81	1	1
08–14		21°	21°	20°	0.2	2 m/s from north west2	1010	95	100	0	98	2	98
14–20		28°	30°	20°	1.3	2 m/s from south west2	1009	62	47	0	12	13	34
20–02		24°	24°	24°	0.2	1 m/s from south1	1010	96	78	0	6	43	63

Tuesday 20 August

Detailed hour-by-hour forecast.

Time	Weather	Temp.	Feels like	Dew point	Precip. mm	Wind speed m/s	Pressure hPa	Humidity %	Cloud cover %	Fog %	Low %	Middle %	High %
02–08		20°	20°	20°	0	2 m/s from north west2	1010	99	31	0	13	10	19
08–14		21°	21°	20°	1.4	3 m/s from north3	1013	92	58	0	40	3	30
14–20		26°	28°	20°	11	2 m/s from north2	1012	71	88	0	51	48	68
20–02		22°	22°	19°	0.1	3 m/s from north3	1014	84	70	0	6	30	56

Wednesday 21 August

Detailed hour-by-hour forecast.

Time	Weather	Temp.	Feels like	Dew point	Precip. mm	Wind speed m/s	Pressure hPa	Humidity %	Cloud cover %	Fog %	Low %	Middle %	High %
02–08		20°	20°	13°	0.5	4 m/s from north4	1016	65	100	0	100	68	2
08–14		18°	18°	14°	4.5	3 m/s from north3	1018	75	100	0	100	59	46
14–20		21°	21°	15°	0.1	3 m/s from north3	1018	66	93	0	53	84	24
20–02		21°	21°	16°	0.1	2 m/s from north2	1017	72	34	0	1	32	3

Thursday 22 August

Detailed hour-by-hour forecast.

Time	Weather	Temp.	Feels like	Dew point	Precip. mm	Wind speed m/s	Pressure hPa	Humidity %	Cloud cover %	Fog %	Low %	Middle %	High %
02–08		18°	18°	15°	0	2 m/s from north2	1018	82	100	0	0	100	22
08–14		17°	17°	14°	0	2 m/s from north2	1020	83	98	0	0	98	0
14–20		25°	25°	14°	0	3 m/s from north3	1019	50	71	0	62	48	22
20–02		21°	21°	13°	0	2 m/s from north2	1019	62	19	0	2	18	0