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Point Forecast: Waltham MA  42.38N 71.24W (Elev. 98 ft)	Last Update: 10:30 pm EDT Jun 23, 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: 11pm Sat, Jun 23 201812am Sun, Jun 24 20181am Sun, Jun 24 20182am Sun, Jun 24 20183am Sun, Jun 24 20184am Sun, Jun 24 20185am Sun, Jun 24 20186am Sun, Jun 24 20187am Sun, Jun 24 20188am Sun, Jun 24 20189am Sun, Jun 24 201810am Sun, Jun 24 201811am Sun, Jun 24 201812pm Sun, Jun 24 20181pm Sun, Jun 24 20182pm Sun, Jun 24 20183pm Sun, Jun 24 20184pm Sun, Jun 24 20185pm Sun, Jun 24 20186pm Sun, Jun 24 20187pm Sun, Jun 24 20188pm Sun, Jun 24 20189pm Sun, Jun 24 201810pm Sun, Jun 24 201811pm Sun, Jun 24 201812am Mon, Jun 25 20181am Mon, Jun 25 20182am Mon, Jun 25 20183am Mon, Jun 25 20184am Mon, Jun 25 20185am Mon, Jun 25 20186am Mon, Jun 25 20187am Mon, Jun 25 20188am Mon, Jun 25 20189am Mon, Jun 25 201810am Mon, Jun 25 201811am Mon, Jun 25 201812pm Mon, Jun 25 20181pm Mon, Jun 25 20182pm Mon, Jun 25 20183pm Mon, Jun 25 20184pm Mon, Jun 25 20185pm Mon, Jun 25 20186pm Mon, Jun 25 20187pm Mon, Jun 25 20188pm Mon, Jun 25 20189pm Mon, Jun 25 201810pm Mon, Jun 25 201811pm Mon, Jun 25 201812am Tue, Jun 26 20181am Tue, Jun 26 20182am Tue, Jun 26 20183am Tue, Jun 26 20184am Tue, Jun 26 20185am Tue, Jun 26 20186am Tue, Jun 26 20187am Tue, Jun 26 20188am Tue, Jun 26 20189am Tue, Jun 26 201810am Tue, Jun 26 201811am Tue, Jun 26 201812pm Tue, Jun 26 20181pm Tue, Jun 26 20182pm Tue, Jun 26 20183pm Tue, Jun 26 20184pm Tue, Jun 26 20185pm Tue, Jun 26 20186pm Tue, Jun 26 20187pm Tue, Jun 26 20188pm Tue, Jun 26 20189pm Tue, Jun 26 201810pm Tue, Jun 26 201811pm Tue, Jun 26 201812am Wed, Jun 27 20181am Wed, Jun 27 20182am Wed, Jun 27 20183am Wed, Jun 27 20184am Wed, Jun 27 20185am Wed, Jun 27 20186am Wed, Jun 27 20187am Wed, Jun 27 20188am Wed, Jun 27 20189am Wed, Jun 27 201810am Wed, Jun 27 201811am Wed, Jun 27 201812pm Wed, Jun 27 20181pm Wed, Jun 27 20182pm Wed, Jun 27 20183pm Wed, Jun 27 20184pm Wed, Jun 27 20185pm Wed, Jun 27 20186pm Wed, Jun 27 20187pm Wed, Jun 27 20188pm Wed, Jun 27 20189pm Wed, Jun 27 201810pm Wed, Jun 27 201811pm Wed, Jun 27 201812am Thu, Jun 28 20181am Thu, Jun 28 20182am Thu, Jun 28 20183am Thu, Jun 28 20184am Thu, Jun 28 20185am Thu, Jun 28 20186am Thu, Jun 28 20187am Thu, Jun 28 20188am Thu, Jun 28 20189am Thu, Jun 28 201810am Thu, Jun 28 2018

Date	06/23	06/24
Hour (EDT)	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22
Temperature (°F)	57	58	57	56	57	58	58	59	61	64	67	70	73	75	76	77	78	78	77	76	75	73	71	69
Dewpoint (°F)	55	54	54	54	55	55	55	55	57	58	59	60	62	63	63	64	64	65	65	65	64	64	64	65
Heat Index (°F)														75	76	77	78	78	77	76	75
Surface Wind (mph)	2	2	2	2	2	2	2	2	2	2	2	2	2	3	3	5	5	6	6	6	5	5	5	3
Wind Dir	NE	N	N	N	N	N	N	NW	W	W	W	SW	SW	SW	SW	SW	S	S	S	S	SW	W	W	W
Gust
Sky Cover (%)	100	100	100	100	99	99	98	92	86	81	79	76	74	76	78	80	82	84	85	85	86	86	86	87
Precipitation Potential (%)	20	20	20	21	19	17	15	14	13	11	16	21	26	36	45	55	55	56	56	55	55	54	48	41
Relative Humidity (%)	93	86	90	93	93	90	90	87	87	81	75	70	68	67	63	63	62	65	65	69	70	75	80	87
Rain	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc
Thunder	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	SChc	SChc	SChc
Date		06/25
Hour (EDT)	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22
Temperature (°F)	68	67	66	65	64	64	63	66	67	68	68	68	69	70	70	71	71	70	69	67	66	64	64	63
Dewpoint (°F)	65	64	64	63	62	61	60	60	59	59	59	58	58	58	57	57	57	56	56	55	53	52	52	52
Heat Index (°F)
Surface Wind (mph)	3	3	3	3	3	5	5	5	6	6	6	6	6	6	7	7	7	6	6	6	7	7	6	5
Wind Dir	NW	NW	NW	NW	NW	NW	N	N	N	N	N	N	N	N	N	N	N	NE	NE	NE	NE	NE	NE	N
Gust
Sky Cover (%)	87	85	83	81	82	82	82	77	72	72	73	75	76	72	67	63	62	60	59	56	54	51	46	41
Precipitation Potential (%)	35	29	23	16	15	13	12	11	9	17	23	30	36	34	32	30	29	29	28	21	14	7	6	4
Relative Humidity (%)	91	91	94	94	93	91	91	81	76	73	73	70	68	66	63	61	61	61	63	65	63	65	65	67
Rain	Chc	Chc	SChc	SChc	SChc	--	--	--	--	--	SChc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	SChc	--	--	--	--
Thunder	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	SChc	--	--	--	--

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