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Point Forecast: Chevy Chase MD  38.98N 77.09W (Elev. 105 m)	Last Update: 1:50 am EDT Sep 25, 2020

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Weather Elements Weather/Precipitation Fire Weather Temperature (°C) Dewpoint (°C) Heat Index (°C) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder 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: 3am Fri, Sep 25 20204am Fri, Sep 25 20205am Fri, Sep 25 20206am Fri, Sep 25 20207am Fri, Sep 25 20208am Fri, Sep 25 20209am Fri, Sep 25 202010am Fri, Sep 25 202011am Fri, Sep 25 202012pm Fri, Sep 25 20201pm Fri, Sep 25 20202pm Fri, Sep 25 20203pm Fri, Sep 25 20204pm Fri, Sep 25 20205pm Fri, Sep 25 20206pm Fri, Sep 25 20207pm Fri, Sep 25 20208pm Fri, Sep 25 20209pm Fri, Sep 25 202010pm Fri, Sep 25 202011pm Fri, Sep 25 202012am Sat, Sep 26 20201am Sat, Sep 26 20202am Sat, Sep 26 20203am Sat, Sep 26 20204am Sat, Sep 26 20205am Sat, Sep 26 20206am Sat, Sep 26 20207am Sat, Sep 26 20208am Sat, Sep 26 20209am Sat, Sep 26 202010am Sat, Sep 26 202011am Sat, Sep 26 202012pm Sat, Sep 26 20201pm Sat, Sep 26 20202pm Sat, Sep 26 20203pm Sat, Sep 26 20204pm Sat, Sep 26 20205pm Sat, Sep 26 20206pm Sat, Sep 26 20207pm Sat, Sep 26 20208pm Sat, Sep 26 20209pm Sat, Sep 26 202010pm Sat, Sep 26 202011pm Sat, Sep 26 202012am Sun, Sep 27 20201am Sun, Sep 27 20202am Sun, Sep 27 20203am Sun, Sep 27 20204am Sun, Sep 27 20205am Sun, Sep 27 20206am Sun, Sep 27 20207am Sun, Sep 27 20208am Sun, Sep 27 20209am Sun, Sep 27 202010am Sun, Sep 27 202011am Sun, Sep 27 202012pm Sun, Sep 27 20201pm Sun, Sep 27 20202pm Sun, Sep 27 20203pm Sun, Sep 27 20204pm Sun, Sep 27 20205pm Sun, Sep 27 20206pm Sun, Sep 27 20207pm Sun, Sep 27 20208pm Sun, Sep 27 20209pm Sun, Sep 27 202010pm Sun, Sep 27 202011pm Sun, Sep 27 202012am Mon, Sep 28 20201am Mon, Sep 28 20202am Mon, Sep 28 20203am Mon, Sep 28 20204am Mon, Sep 28 20205am Mon, Sep 28 20206am Mon, Sep 28 20207am Mon, Sep 28 20208am Mon, Sep 28 20209am Mon, Sep 28 202010am Mon, Sep 28 202011am Mon, Sep 28 202012pm Mon, Sep 28 20201pm Mon, Sep 28 20202pm Mon, Sep 28 20203pm Mon, Sep 28 20204pm Mon, Sep 28 20205pm Mon, Sep 28 20206pm Mon, Sep 28 20207pm Mon, Sep 28 20208pm Mon, Sep 28 20209pm Mon, Sep 28 202010pm Mon, Sep 28 202011pm Mon, Sep 28 202012am Tue, Sep 29 20201am Tue, Sep 29 20202am Tue, Sep 29 20203am Tue, Sep 29 20204am Tue, Sep 29 20205am Tue, Sep 29 20206am Tue, Sep 29 20207am Tue, Sep 29 20208am Tue, Sep 29 20209am Tue, Sep 29 202010am Tue, Sep 29 202011am Tue, Sep 29 202012pm Tue, Sep 29 20201pm Tue, Sep 29 20202pm Tue, Sep 29 2020

Date	09/25																					09/26
Hour (EDT)	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02
Temperature (°C)	16	16	16	16	15	15	17	18	21	22	23	23	23	23	23	22	21	19	19	18	18	18	18	17
Dewpoint (°C)	14	14	14	14	14	14	14	15	15	14	14	14	15	16	16	16	16	17	17	17	17	17	17	17
Heat Index (°C)
Surface Wind (mph)	5	3	3	3	3	3	5	5	6	6	7	7	7	7	7	7	6	6	6	6	6	6	5	5
Wind Dir	SW	SW	SW	SW	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	S	SE	SE
Gust
Sky Cover (%)	72	74	76	77	77	66	68	72	74	74	75	75	78	83	86	85	84	83	84	85	85	85	86	86
Precipitation Potential (%)	6	6	6	0	0	3	3	3	10	10	10	28	28	28	28	28	28	29	29	29	29	29	29	33
Relative Humidity (%)	87	87	87	90	93	96	87	81	70	63	59	57	59	62	64	66	71	84	87	90	90	93	93	97
Rain	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																						09/27
Hour (EDT)	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02
Temperature (°C)	17	17	17	17	17	18	18	19	21	22	22	23	23	23	23	23	22	21	21	20	20	20	19	19
Dewpoint (°C)	17	17	17	17	17	18	18	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19	19
Heat Index (°C)
Surface Wind (mph)	5	5	5	5	5	5	5	6	6	6	5	5	5	6	6	6	5	5	5	6	6	5	2	1
Wind Dir	SE	SE	SE	SE	SE	E	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	S	S	SE	SE
Gust
Sky Cover (%)	88	92	94	93	92	91	91	91	91	88	82	79	77	72	69	67	63	61	62	65	66	63	56	53
Precipitation Potential (%)	33	33	33	33	33	32	32	32	32	32	32	20	20	20	20	20	20	3	3	3	3	3	3	3
Relative Humidity (%)	100	97	100	100	100	100	100	97	90	84	81	79	76	79	79	81	84	87	90	97	97	97	100	100
Rain	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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