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Point Forecast: Boston MA  42.36N 71.07W (Elev. 4 m)	Last Update: 6:28 pm EST Feb 20, 2020

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Weather Elements Fire Weather Aviation 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 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-m) Dispersion Index Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 7pm Thu, Feb 20 20208pm Thu, Feb 20 20209pm Thu, Feb 20 202010pm Thu, Feb 20 202011pm Thu, Feb 20 202012am Fri, Feb 21 20201am Fri, Feb 21 20202am Fri, Feb 21 20203am Fri, Feb 21 20204am Fri, Feb 21 20205am Fri, Feb 21 20206am Fri, Feb 21 20207am Fri, Feb 21 20208am Fri, Feb 21 20209am Fri, Feb 21 202010am Fri, Feb 21 202011am Fri, Feb 21 202012pm Fri, Feb 21 20201pm Fri, Feb 21 20202pm Fri, Feb 21 20203pm Fri, Feb 21 20204pm Fri, Feb 21 20205pm Fri, Feb 21 20206pm Fri, Feb 21 20207pm Fri, Feb 21 20208pm Fri, Feb 21 20209pm Fri, Feb 21 202010pm Fri, Feb 21 202011pm Fri, Feb 21 202012am Sat, Feb 22 20201am Sat, Feb 22 20202am Sat, Feb 22 20203am Sat, Feb 22 20204am Sat, Feb 22 20205am Sat, Feb 22 20206am Sat, Feb 22 20207am Sat, Feb 22 20208am Sat, Feb 22 20209am Sat, Feb 22 202010am Sat, Feb 22 202011am Sat, Feb 22 202012pm Sat, Feb 22 20201pm Sat, Feb 22 20202pm Sat, Feb 22 20203pm Sat, Feb 22 20204pm Sat, Feb 22 20205pm Sat, Feb 22 20206pm Sat, Feb 22 20207pm Sat, Feb 22 20208pm Sat, Feb 22 20209pm Sat, Feb 22 202010pm Sat, Feb 22 202011pm Sat, Feb 22 202012am Sun, Feb 23 20201am Sun, Feb 23 20202am Sun, Feb 23 20203am Sun, Feb 23 20204am Sun, Feb 23 20205am Sun, Feb 23 20206am Sun, Feb 23 20207am Sun, Feb 23 20208am Sun, Feb 23 20209am Sun, Feb 23 202010am Sun, Feb 23 202011am Sun, Feb 23 202012pm Sun, Feb 23 20201pm Sun, Feb 23 20202pm Sun, Feb 23 20203pm Sun, Feb 23 20204pm Sun, Feb 23 20205pm Sun, Feb 23 20206pm Sun, Feb 23 20207pm Sun, Feb 23 20208pm Sun, Feb 23 20209pm Sun, Feb 23 202010pm Sun, Feb 23 202011pm Sun, Feb 23 202012am Mon, Feb 24 20201am Mon, Feb 24 20202am Mon, Feb 24 20203am Mon, Feb 24 20204am Mon, Feb 24 20205am Mon, Feb 24 20206am Mon, Feb 24 20207am Mon, Feb 24 20208am Mon, Feb 24 20209am Mon, Feb 24 202010am Mon, Feb 24 202011am Mon, Feb 24 202012pm Mon, Feb 24 20201pm Mon, Feb 24 20202pm Mon, Feb 24 20203pm Mon, Feb 24 20204pm Mon, Feb 24 20205pm Mon, Feb 24 20206pm Mon, Feb 24 20207pm Mon, Feb 24 20208pm Mon, Feb 24 20209pm Mon, Feb 24 202010pm Mon, Feb 24 202011pm Mon, Feb 24 202012am Tue, Feb 25 20201am Tue, Feb 25 20202am Tue, Feb 25 20203am Tue, Feb 25 20204am Tue, Feb 25 20205am Tue, Feb 25 20206am Tue, Feb 25 2020

Date	02/20					02/21
Hour (EST)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°C)	-2	-3	-4	-5	-6	-7	-8	-8	-9	-9	-10	-10	-10	-9	-7	-5	-3	-2	-1	0	0	-1	-1	-2
Dewpoint (°C)	-14	-14	-15	-16	-16	-17	-17	-17	-17	-17	-17	-16	-16	-16	-16	-16	-16	-16	-17	-17	-16	-16	-15	-14
Wind Chill (°C)	-7	-8	-9	-11	-11	-13	-14	-14	-15	-16	-16	-16	-14	-13	-11	-8	-6	-4	-1	-2	-2	-3	-4	-4
Surface Wind (mph)	9	9	9	9	9	9	9	8	8	8	8	8	5	5	5	3	3	3	2	3	3	5	5	5
Wind Dir	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	NW	N	NW	NW	NW	W	W	W	SW	SW	SW
Gust
Sky Cover (%)	43	30	16	16	15	14	12	11	8	6	7	8	9	8	6	4	4	4	4	4	3	3	3	4
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	1	0	0	0	0	0	0	0	0
Relative Humidity (%)	39	40	42	43	43	45	49	49	51	53	58	61	64	58	49	43	36	32	28	27	28	30	34	39
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date						02/22
Hour (EST)	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18
Temperature (°C)	-2	-2	-2	-2	-2	-3	-3	-3	-3	-3	-4	-4	-4	-3	-1	1	3	4	5	6	6	6	5	4
Dewpoint (°C)	-13	-13	-13	-13	-13	-13	-12	-12	-12	-11	-11	-11	-11	-11	-11	-11	-10	-9	-9	-8	-8	-8	-7	-7
Wind Chill (°C)	-5	-5	-6	-6	-6	-7	-7	-7	-8	-8	-8	-8	-8	-7	-6	-3	-1	1	2	2	3	3	2	1
Surface Wind (mph)	5	5	6	6	7	7	7	7	7	7	7	7	7	8	9	10	10	9	9	9	8	8	8	7
Wind Dir	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	W	W	W	W	W	W	W	W	W	W
Gust
Sky Cover (%)	4	3	1	0	0	0	0	0	0	0	1	1	2	2	2	2	9	15	22	19	17	14	11	9
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	44	42	42	42	44	46	48	50	52	55	57	57	57	53	46	41	38	37	36	36	35	37	41	46
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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