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Point Forecast: Arlington MA  42.42N 71.15W (Elev. 33 ft)	Last Update: 3:57 am EDT Jul 16, 2018

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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: 5am Mon, Jul 16 20186am Mon, Jul 16 20187am Mon, Jul 16 20188am Mon, Jul 16 20189am Mon, Jul 16 201810am Mon, Jul 16 201811am Mon, Jul 16 201812pm Mon, Jul 16 20181pm Mon, Jul 16 20182pm Mon, Jul 16 20183pm Mon, Jul 16 20184pm Mon, Jul 16 20185pm Mon, Jul 16 20186pm Mon, Jul 16 20187pm Mon, Jul 16 20188pm Mon, Jul 16 20189pm Mon, Jul 16 201810pm Mon, Jul 16 201811pm Mon, Jul 16 201812am Tue, Jul 17 20181am Tue, Jul 17 20182am Tue, Jul 17 20183am Tue, Jul 17 20184am Tue, Jul 17 20185am Tue, Jul 17 20186am Tue, Jul 17 20187am Tue, Jul 17 20188am Tue, Jul 17 20189am Tue, Jul 17 201810am Tue, Jul 17 201811am Tue, Jul 17 201812pm Tue, Jul 17 20181pm Tue, Jul 17 20182pm Tue, Jul 17 20183pm Tue, Jul 17 20184pm Tue, Jul 17 20185pm Tue, Jul 17 20186pm Tue, Jul 17 20187pm Tue, Jul 17 20188pm Tue, Jul 17 20189pm Tue, Jul 17 201810pm Tue, Jul 17 201811pm Tue, Jul 17 201812am Wed, Jul 18 20181am Wed, Jul 18 20182am Wed, Jul 18 20183am Wed, Jul 18 20184am Wed, Jul 18 20185am Wed, Jul 18 20186am Wed, Jul 18 20187am Wed, Jul 18 20188am Wed, Jul 18 20189am Wed, Jul 18 201810am Wed, Jul 18 201811am Wed, Jul 18 201812pm Wed, Jul 18 20181pm Wed, Jul 18 20182pm Wed, Jul 18 20183pm Wed, Jul 18 20184pm Wed, Jul 18 20185pm Wed, Jul 18 20186pm Wed, Jul 18 20187pm Wed, Jul 18 20188pm Wed, Jul 18 20189pm Wed, Jul 18 201810pm Wed, Jul 18 201811pm Wed, Jul 18 201812am Thu, Jul 19 20181am Thu, Jul 19 20182am Thu, Jul 19 20183am Thu, Jul 19 20184am Thu, Jul 19 20185am Thu, Jul 19 20186am Thu, Jul 19 20187am Thu, Jul 19 20188am Thu, Jul 19 20189am Thu, Jul 19 201810am Thu, Jul 19 201811am Thu, Jul 19 201812pm Thu, Jul 19 20181pm Thu, Jul 19 20182pm Thu, Jul 19 20183pm Thu, Jul 19 20184pm Thu, Jul 19 20185pm Thu, Jul 19 20186pm Thu, Jul 19 20187pm Thu, Jul 19 20188pm Thu, Jul 19 20189pm Thu, Jul 19 201810pm Thu, Jul 19 201811pm Thu, Jul 19 201812am Fri, Jul 20 20181am Fri, Jul 20 20182am Fri, Jul 20 20183am Fri, Jul 20 20184am Fri, Jul 20 20185am Fri, Jul 20 20186am Fri, Jul 20 20187am Fri, Jul 20 20188am Fri, Jul 20 20189am Fri, Jul 20 201810am Fri, Jul 20 201811am Fri, Jul 20 201812pm Fri, Jul 20 20181pm Fri, Jul 20 20182pm Fri, Jul 20 20183pm Fri, Jul 20 20184pm Fri, Jul 20 2018

Date	07/16																			07/17
Hour (EDT)	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04
Temperature (°F)	66	66	70	72	74	78	81	82	84	85	85	85	84	82	80	79	78	77	76	75	74	73	72	72
Dewpoint (°F)	65	66	68	69	69	70	70	70	69	69	69	69	69	70	70	71	71	71	71	71	70	70	70	70
Heat Index (°F)						78	85	86	88	89	89	88	87	86	83	79	78	77	76	75
Surface Wind (mph)	2	2	1	1	2	3	6	7	8	9	9	9	8	9	9	8	7	7	7	6	8	8	8	8
Wind Dir	NE	NE	E	E	E	SE	SE	SE	SE	E	SE	SE	SE	SE	S	S	S	S	S	S	S	S	S	SW
Gust
Sky Cover (%)	51	54	57	60	52	44	35	35	35	36	43	51	59	59	59	59	49	39	29	37	46	55	61	68
Precipitation Potential (%)	2	3	4	5	5	5	5	8	10	13	16	19	22	17	11	6	6	6	6	7	8	9	9	10
Relative Humidity (%)	97	100	93	90	84	76	69	67	60	58	58	60	62	67	72	77	79	82	85	87	87	90	93	93
Rain	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																				07/18
Hour (EDT)	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04
Temperature (°F)	72	73	74	76	78	81	83	85	86	86	86	85	83	81	79	78	76	75	74	73	72	71	70	69
Dewpoint (°F)	70	70	71	71	71	72	72	72	72	72	72	71	71	71	72	72	71	70	70	69	69	69	67	66
Heat Index (°F)				76	78	85	88	91	92	92	92	90	88	85	79	78	76	75
Surface Wind (mph)	8	8	9	9	10	10	11	13	13	14	13	13	11	11	10	10	9	7	6	6	5	5	5	5
Wind Dir	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	SW	W	W	W	NW
Gust						20	22	23	23	24					20	20
Sky Cover (%)	75	76	78	79	74	69	63	67	72	76	78	81	83	87	91	94	95	97	98	96	93	91	86	81
Precipitation Potential (%)	10	11	11	12	18	25	32	35	38	41	47	52	58	65	72	82	76	65	60	55	45	41	39	35
Relative Humidity (%)	93	90	90	85	79	74	70	65	63	63	63	63	67	72	79	82	84	85	89	88	90	92	90	91
Rain	--	--	--	--	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Ocnl	Ocnl	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Ocnl	Ocnl	Lkly	Lkly	Lkly	Chc	Chc	Chc	--

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