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Point Forecast: Arlington MA  42.42N 71.18W (Elev. 249 ft)	Last Update: 4:01 pm EDT Oct 1, 2020

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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 Haines Index Lightning Activity Level Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Dispersion Index Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 5pm Thu, Oct 1 20206pm Thu, Oct 1 20207pm Thu, Oct 1 20208pm Thu, Oct 1 20209pm Thu, Oct 1 202010pm Thu, Oct 1 202011pm Thu, Oct 1 202012am Fri, Oct 2 20201am Fri, Oct 2 20202am Fri, Oct 2 20203am Fri, Oct 2 20204am Fri, Oct 2 20205am Fri, Oct 2 20206am Fri, Oct 2 20207am Fri, Oct 2 20208am Fri, Oct 2 20209am Fri, Oct 2 202010am Fri, Oct 2 202011am Fri, Oct 2 202012pm Fri, Oct 2 20201pm Fri, Oct 2 20202pm Fri, Oct 2 20203pm Fri, Oct 2 20204pm Fri, Oct 2 20205pm Fri, Oct 2 20206pm Fri, Oct 2 20207pm Fri, Oct 2 20208pm Fri, Oct 2 20209pm Fri, Oct 2 202010pm Fri, Oct 2 202011pm Fri, Oct 2 202012am Sat, Oct 3 20201am Sat, Oct 3 20202am Sat, Oct 3 20203am Sat, Oct 3 20204am Sat, Oct 3 20205am Sat, Oct 3 20206am Sat, Oct 3 20207am Sat, Oct 3 20208am Sat, Oct 3 20209am Sat, Oct 3 202010am Sat, Oct 3 202011am Sat, Oct 3 202012pm Sat, Oct 3 20201pm Sat, Oct 3 20202pm Sat, Oct 3 20203pm Sat, Oct 3 20204pm Sat, Oct 3 20205pm Sat, Oct 3 20206pm Sat, Oct 3 20207pm Sat, Oct 3 20208pm Sat, Oct 3 20209pm Sat, Oct 3 202010pm Sat, Oct 3 202011pm Sat, Oct 3 202012am Sun, Oct 4 20201am Sun, Oct 4 20202am Sun, Oct 4 20203am Sun, Oct 4 20204am Sun, Oct 4 20205am Sun, Oct 4 20206am Sun, Oct 4 20207am Sun, Oct 4 20208am Sun, Oct 4 20209am Sun, Oct 4 202010am Sun, Oct 4 202011am Sun, Oct 4 202012pm Sun, Oct 4 20201pm Sun, Oct 4 20202pm Sun, Oct 4 20203pm Sun, Oct 4 20204pm Sun, Oct 4 20205pm Sun, Oct 4 20206pm Sun, Oct 4 20207pm Sun, Oct 4 20208pm Sun, Oct 4 20209pm Sun, Oct 4 202010pm Sun, Oct 4 202011pm Sun, Oct 4 202012am Mon, Oct 5 20201am Mon, Oct 5 20202am Mon, Oct 5 20203am Mon, Oct 5 20204am Mon, Oct 5 20205am Mon, Oct 5 20206am Mon, Oct 5 20207am Mon, Oct 5 20208am Mon, Oct 5 20209am Mon, Oct 5 202010am Mon, Oct 5 202011am Mon, Oct 5 202012pm Mon, Oct 5 20201pm Mon, Oct 5 20202pm Mon, Oct 5 20203pm Mon, Oct 5 20204pm Mon, Oct 5 20205pm Mon, Oct 5 20206pm Mon, Oct 5 20207pm Mon, Oct 5 20208pm Mon, Oct 5 20209pm Mon, Oct 5 202010pm Mon, Oct 5 202011pm Mon, Oct 5 202012am Tue, Oct 6 20201am Tue, Oct 6 20202am Tue, Oct 6 20203am Tue, Oct 6 20204am Tue, Oct 6 2020

Date	10/01							10/02
Hour (EDT)	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16
Temperature (°F)	72	70	67	65	63	61	59	58	57	56	56	55	55	54	55	56	58	59	61	62	63	62	60	59
Dewpoint (°F)	54	53	53	53	53	52	52	51	51	50	50	49	49	49	49	49	49	50	50	50	51	51	51	50
Heat Index (°F)
Surface Wind (mph)	7	6	5	5	5	3	3	3	2	2	3	2	3	3	3	2	3	3	5	5	7	8	8	8
Wind Dir	SW	SW	SW	SW	SW	SW	W	W	W	W	NW	NW	NW	N	N	N	N	N	N	NW	NW	NW	NW	NW
Gust
Sky Cover (%)	40	39	41	36	30	17	15	24	61	74	72	72	77	81	88	86	88	87	88	88	87	87	88	89
Precipitation Potential (%)	0	0	0	0	1	1	1	1	1	2	1	1	3	4	5	6	6	7	10	17	33	50	52	49
Relative Humidity (%)	53	55	61	65	70	72	78	77	80	80	80	80	80	83	80	77	72	72	67	65	65	67	72	72
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date								10/03
Hour (EDT)	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16
Temperature (°F)	56	56	54	53	51	50	50	48	48	48	48	47	45	45	46	47	50	54	58	61	62	63	63	63
Dewpoint (°F)	50	50	49	49	48	48	47	47	46	46	46	45	45	45	45	45	45	46	46	46	45	45	45	45
Heat Index (°F)
Surface Wind (mph)	8	7	6	5	5	6	6	6	6	6	6	6	6	6	5	5	5	3	3	3	3	3	3	3
Wind Dir	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	N	NW	NW	W	W	S
Gust
Sky Cover (%)	89	70	50	30	26	23	20	20	20	20	21	22	23	23	24	24	27	30	33	33	33	33	37	41
Precipitation Potential (%)	29	24	16	8	6	3	1	0	0	0	0	1	1	0	0	0	0	0	0	1	3	4	5	5
Relative Humidity (%)	80	80	83	86	89	93	89	96	93	93	93	93	100	100	96	93	83	74	64	58	54	52	52	52
Rain	Chc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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