Point Forecast: 3 Miles SE Washington-Dulles International Airport VA  38.93N 77.42W (Elev. 308 ft)	Last Update: 2:23 pm EDT Jun 10, 2026

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Weather Elements Fire Weather Aviation Weather Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Trans. Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index Ceiling Height Visibility

48-Hour Period Starting: 3pm Wed, Jun 10 20264pm Wed, Jun 10 20265pm Wed, Jun 10 20266pm Wed, Jun 10 20267pm Wed, Jun 10 20268pm Wed, Jun 10 20269pm Wed, Jun 10 202610pm Wed, Jun 10 202611pm Wed, Jun 10 202612am Thu, Jun 11 20261am Thu, Jun 11 20262am Thu, Jun 11 20263am Thu, Jun 11 20264am Thu, Jun 11 20265am Thu, Jun 11 20266am Thu, Jun 11 20267am Thu, Jun 11 20268am Thu, Jun 11 20269am Thu, Jun 11 202610am Thu, Jun 11 202611am Thu, Jun 11 202612pm Thu, Jun 11 20261pm Thu, Jun 11 20262pm Thu, Jun 11 20263pm Thu, Jun 11 20264pm Thu, Jun 11 20265pm Thu, Jun 11 20266pm Thu, Jun 11 20267pm Thu, Jun 11 20268pm Thu, Jun 11 20269pm Thu, Jun 11 202610pm Thu, Jun 11 202611pm Thu, Jun 11 202612am Fri, Jun 12 20261am Fri, Jun 12 20262am Fri, Jun 12 20263am Fri, Jun 12 20264am Fri, Jun 12 20265am Fri, Jun 12 20266am Fri, Jun 12 20267am Fri, Jun 12 20268am Fri, Jun 12 20269am Fri, Jun 12 202610am Fri, Jun 12 202611am Fri, Jun 12 202612pm Fri, Jun 12 20261pm Fri, Jun 12 20262pm Fri, Jun 12 20263pm Fri, Jun 12 20264pm Fri, Jun 12 20265pm Fri, Jun 12 20266pm Fri, Jun 12 20267pm Fri, Jun 12 20268pm Fri, Jun 12 20269pm Fri, Jun 12 202610pm Fri, Jun 12 202611pm Fri, Jun 12 202612am Sat, Jun 13 20261am Sat, Jun 13 20262am Sat, Jun 13 20263am Sat, Jun 13 20264am Sat, Jun 13 20265am Sat, Jun 13 20266am Sat, Jun 13 20267am Sat, Jun 13 20268am Sat, Jun 13 20269am Sat, Jun 13 202610am Sat, Jun 13 202611am Sat, Jun 13 202612pm Sat, Jun 13 20261pm Sat, Jun 13 20262pm Sat, Jun 13 20263pm Sat, Jun 13 20264pm Sat, Jun 13 20265pm Sat, Jun 13 20266pm Sat, Jun 13 20267pm Sat, Jun 13 20268pm Sat, Jun 13 20269pm Sat, Jun 13 202610pm Sat, Jun 13 202611pm Sat, Jun 13 202612am Sun, Jun 14 20261am Sun, Jun 14 20262am Sun, Jun 14 20263am Sun, Jun 14 20264am Sun, Jun 14 20265am Sun, Jun 14 20266am Sun, Jun 14 20267am Sun, Jun 14 20268am Sun, Jun 14 20269am Sun, Jun 14 202610am Sun, Jun 14 202611am Sun, Jun 14 202612pm Sun, Jun 14 20261pm Sun, Jun 14 20262pm Sun, Jun 14 20263pm Sun, Jun 14 20264pm Sun, Jun 14 20265pm Sun, Jun 14 20266pm Sun, Jun 14 20267pm Sun, Jun 14 20268pm Sun, Jun 14 20269pm Sun, Jun 14 202610pm Sun, Jun 14 202611pm Sun, Jun 14 202612am Mon, Jun 15 20261am Mon, Jun 15 20262am Mon, Jun 15 2026

Date	06/10									06/11
Hour (EDT)	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14
Temperature (°F)	86	84	80	80	80	78	75	74	74	73	72	71	71	70	70	69	70	75	81	85	89	91	94	95
Dewpoint (°F)	72	73	73	73	73	75	74	73	72	72	71	71	71	70	70	69	70	73	73	73	73	73	72	72
Heat Index (°F)	92	90	84	84	84	78	75											75	86	92	97	100	102	104
Surface Wind (mph)	10	10	11	8	8	3	3	2	2	2	2	2	2	2	2	3	3	3	3	5	7	7	7	7
Wind Dir	SW	SW	SW	SW	SW	SW	S	SW	SW	SW	SW	SW	SW	SW	SW	W	SW	W	W	W	W	W	W	W
Gust	18	20
Sky Cover (%)	100	92	82	72	71	55	29	21	29	12	15	16	24	34	47	40	58	50	55	47	38	32	28	29
Precipitation Potential (%)	100	87	73	53	35	16	10	5	5	5	5	6	10	13	14	10	10	3	2	2	2	3	5	13
Relative Humidity (%)	63	70	79	79	79	91	97	97	93	97	97	100	100	100	100	100	100	94	77	67	59	56	49	48
Rain	Ocnl	Ocnl	Lkly	Chc	Chc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	Chc	Chc	Chc	Chc	Chc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date										06/12
Hour (EDT)	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14
Temperature (°F)	96	96	95	92	91	87	82	80	77	76	75	74	72	71	71	71	72	77	84	89	92	95	96	96
Dewpoint (°F)	71	71	70	71	71	72	72	73	72	72	71	71	71	70	70	70	71	73	73	72	72	72	71	71
Heat Index (°F)	104	104	102	99	98	94	87	84	77	76	75							77	90	96	100	104	104	104
Surface Wind (mph)	7	7	7	6	5	3	3	2	2	2	2	2	2	2	2	2	2	2	3	6	7	7	7	7
Wind Dir	W	W	W	W	W	SW	SW	W	W	W	W	W	W	W	W	W	SW	SW	W	W	W	W	W	W
Gust
Sky Cover (%)	22	38	47	53	63	67	46	31	60	46	54	63	34	45	49	35	21	29	23	31	38	53	68	83
Precipitation Potential (%)	14	20	18	30	44	19	16	7	12	20	1	0	0	7	4	3	3	2	2	2	2	2	2	74
Relative Humidity (%)	45	45	45	51	52	61	72	79	85	87	87	90	97	97	97	97	97	87	70	57	52	48	45	45
Rain	--	SChc	SChc	Chc	Chc	SChc	SChc	--	--	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	Lkly
Thunder	--	SChc	SChc	Chc	Chc	SChc	SChc	--	--	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc

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