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Point Forecast: 2 Miles S Washington-Dulles International Airport VA  38.93N 77.45W (Elev. 91 m)	Last Update: 7:33 am EDT Mar 28, 2020

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Weather Elements Weather/Precipitation Fire Weather Temperature (°C) Dewpoint (°C) Wind Chill (°C) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Mixing Height  x100ftx100m Haines Index Lightning Activity Level Trans. Wind  ktmphkm/hm/s Vent Rate (x1000 mph-m) Atmospheric Dispersion Index Low Visibility Occurrence Risk Index

48-Hour Period Starting: 8am Sat, Mar 28 20209am Sat, Mar 28 202010am Sat, Mar 28 202011am Sat, Mar 28 202012pm Sat, Mar 28 20201pm Sat, Mar 28 20202pm Sat, Mar 28 20203pm Sat, Mar 28 20204pm Sat, Mar 28 20205pm Sat, Mar 28 20206pm Sat, Mar 28 20207pm Sat, Mar 28 20208pm Sat, Mar 28 20209pm Sat, Mar 28 202010pm Sat, Mar 28 202011pm Sat, Mar 28 202012am Sun, Mar 29 20201am Sun, Mar 29 20202am Sun, Mar 29 20203am Sun, Mar 29 20204am Sun, Mar 29 20205am Sun, Mar 29 20206am Sun, Mar 29 20207am Sun, Mar 29 20208am Sun, Mar 29 20209am Sun, Mar 29 202010am Sun, Mar 29 202011am Sun, Mar 29 202012pm Sun, Mar 29 20201pm Sun, Mar 29 20202pm Sun, Mar 29 20203pm Sun, Mar 29 20204pm Sun, Mar 29 20205pm Sun, Mar 29 20206pm Sun, Mar 29 20207pm Sun, Mar 29 20208pm Sun, Mar 29 20209pm Sun, Mar 29 202010pm Sun, Mar 29 202011pm Sun, Mar 29 202012am Mon, Mar 30 20201am Mon, Mar 30 20202am Mon, Mar 30 20203am Mon, Mar 30 20204am Mon, Mar 30 20205am Mon, Mar 30 20206am Mon, Mar 30 20207am Mon, Mar 30 20208am Mon, Mar 30 20209am Mon, Mar 30 202010am Mon, Mar 30 202011am Mon, Mar 30 202012pm Mon, Mar 30 20201pm Mon, Mar 30 20202pm Mon, Mar 30 20203pm Mon, Mar 30 20204pm Mon, Mar 30 20205pm Mon, Mar 30 20206pm Mon, Mar 30 20207pm Mon, Mar 30 20208pm Mon, Mar 30 20209pm Mon, Mar 30 202010pm Mon, Mar 30 202011pm Mon, Mar 30 202012am Tue, Mar 31 20201am Tue, Mar 31 20202am Tue, Mar 31 20203am Tue, Mar 31 20204am Tue, Mar 31 20205am Tue, Mar 31 20206am Tue, Mar 31 20207am Tue, Mar 31 20208am Tue, Mar 31 20209am Tue, Mar 31 202010am Tue, Mar 31 202011am Tue, Mar 31 202012pm Tue, Mar 31 20201pm Tue, Mar 31 20202pm Tue, Mar 31 20203pm Tue, Mar 31 20204pm Tue, Mar 31 20205pm Tue, Mar 31 20206pm Tue, Mar 31 20207pm Tue, Mar 31 20208pm Tue, Mar 31 20209pm Tue, Mar 31 202010pm Tue, Mar 31 202011pm Tue, Mar 31 202012am Wed, Apr 1 20201am Wed, Apr 1 20202am Wed, Apr 1 20203am Wed, Apr 1 20204am Wed, Apr 1 20205am Wed, Apr 1 20206am Wed, Apr 1 20207am Wed, Apr 1 20208am Wed, Apr 1 20209am Wed, Apr 1 202010am Wed, Apr 1 202011am Wed, Apr 1 202012pm Wed, Apr 1 20201pm Wed, Apr 1 20202pm Wed, Apr 1 20203pm Wed, Apr 1 20204pm Wed, Apr 1 20205pm Wed, Apr 1 20206pm Wed, Apr 1 20207pm Wed, Apr 1 2020

Date	03/28																03/29
Hour (EDT)	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07
Temperature (°C)	12	12	12	13	13	13	14	14	14	14	14	14	13	13	13	13	12	12	12	11	11	11	11	11
Dewpoint (°C)	11	11	11	11	11	11	11	12	11	11	12	12	12	12	11	11	11	11	12	11	11	11	11	11
Wind Chill (°C)
Surface Wind (mph)	8	8	8	8	8	8	8	8	7	7	7	6	6	6	5	5	5	3	3	3	5	5	5	3
Wind Dir	E	E	E	SE	SE	SE	SE	SE	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E	E
Gust
Sky Cover (%)	97	96	94	93	93	92	92	92	91	91	91	92	92	92	93	93	93	92	91	91	90	90	90	90
Precipitation Potential (%)	71	71	71	35	35	35	35	35	35	20	20	20	10	10	10	10	10	10	21	21	21	21	21	21
Relative Humidity (%)	93	90	90	86	83	83	83	83	80	80	86	86	90	93	90	90	93	96	100	100	100	100	100	100
Rain	Lkly	Lkly	Lkly	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Chc	Chc	Chc	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc
Thunder	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																	03/30
Hour (EDT)	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07
Temperature (°C)	11	12	14	16	18	19	21	23	24	24	23	22	20	19	18	17	16	16	14	14	13	13	12	12
Dewpoint (°C)	11	12	13	14	15	16	16	16	16	16	16	16	14	13	12	11	9	8	8	7	7	7	7	6
Wind Chill (°C)
Surface Wind (mph)	3	3	5	6	6	7	7	8	9	9	9	8	7	7	7	7	7	7	7	7	8	8	7	7
Wind Dir	E	E	SE	S	S	S	S	S	SW	SW	SW	W	W	W	W	W	W	W	W	W	W	W	W	W
Gust
Sky Cover (%)	90	91	92	92	90	86	84	81	74	71	61	41	31	29	25	23	23	22	22	25	30	33	30	23
Precipitation Potential (%)	17	17	17	20	20	20	33	33	33	38	38	38	4	4	4	4	4	4	2	2	2	2	2	2
Relative Humidity (%)	100	100	96	90	84	78	71	66	60	60	64	68	70	70	65	65	65	62	64	64	64	66	69	69
Rain	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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