Point Forecast: Merrimac MA  42.84N 70.99W (Elev. 30 m)	Last Update: 2:34 pm EDT May 5, 2024

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

48-Hour Period Starting: 6pm Sun, May 5 20247pm Sun, May 5 20248pm Sun, May 5 20249pm Sun, May 5 202410pm Sun, May 5 202411pm Sun, May 5 202412am Mon, May 6 20241am Mon, May 6 20242am Mon, May 6 20243am Mon, May 6 20244am Mon, May 6 20245am Mon, May 6 20246am Mon, May 6 20247am Mon, May 6 20248am Mon, May 6 20249am Mon, May 6 202410am Mon, May 6 202411am Mon, May 6 202412pm Mon, May 6 20241pm Mon, May 6 20242pm Mon, May 6 20243pm Mon, May 6 20244pm Mon, May 6 20245pm Mon, May 6 20246pm Mon, May 6 20247pm Mon, May 6 20248pm Mon, May 6 20249pm Mon, May 6 202410pm Mon, May 6 202411pm Mon, May 6 202412am Tue, May 7 20241am Tue, May 7 20242am Tue, May 7 20243am Tue, May 7 20244am Tue, May 7 20245am Tue, May 7 20246am Tue, May 7 20247am Tue, May 7 20248am Tue, May 7 20249am Tue, May 7 202410am Tue, May 7 202411am Tue, May 7 202412pm Tue, May 7 20241pm Tue, May 7 20242pm Tue, May 7 20243pm Tue, May 7 20244pm Tue, May 7 20245pm Tue, May 7 20246pm Tue, May 7 20247pm Tue, May 7 20248pm Tue, May 7 20249pm Tue, May 7 202410pm Tue, May 7 202411pm Tue, May 7 202412am Wed, May 8 20241am Wed, May 8 20242am Wed, May 8 20243am Wed, May 8 20244am Wed, May 8 20245am Wed, May 8 20246am Wed, May 8 20247am Wed, May 8 20248am Wed, May 8 20249am Wed, May 8 202410am Wed, May 8 202411am Wed, May 8 202412pm Wed, May 8 20241pm Wed, May 8 20242pm Wed, May 8 20243pm Wed, May 8 20244pm Wed, May 8 20245pm Wed, May 8 20246pm Wed, May 8 20247pm Wed, May 8 20248pm Wed, May 8 20249pm Wed, May 8 202410pm Wed, May 8 202411pm Wed, May 8 202412am Thu, May 9 20241am Thu, May 9 20242am Thu, May 9 20243am Thu, May 9 20244am Thu, May 9 20245am Thu, May 9 20246am Thu, May 9 20247am Thu, May 9 20248am Thu, May 9 20249am Thu, May 9 202410am Thu, May 9 202411am Thu, May 9 202412pm Thu, May 9 20241pm Thu, May 9 20242pm Thu, May 9 20243pm Thu, May 9 20244pm Thu, May 9 20245pm Thu, May 9 20246pm Thu, May 9 20247pm Thu, May 9 20248pm Thu, May 9 20249pm Thu, May 9 202410pm Thu, May 9 202411pm Thu, May 9 202412am Fri, May 10 20241am Fri, May 10 20242am Fri, May 10 20243am Fri, May 10 20244am Fri, May 10 20245am Fri, May 10 2024

Date	05/05						05/06
Hour (EDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°C)	9	9	9	9	9	10	9	9	9	9	9	9	10	11	12	14	16	17	18	20	21	22	22	22
Dewpoint (°C)	8	8	8	8	8	8	9	9	9	9	9	9	9	9	11	12	12	13	13	14	15	15	14	14
Heat Index (°C)
Surface Wind (mph)	6	6	6	6	5	5	5	6	6	5	5	3	3	3	3	3	5	5	5	6	6	6	6	6
Wind Dir	SE	SE	S	S	S	S	S	S	S	S	S	S	S	SW	SW	SW	W	W	W	SW	SW	SW	SW	SW
Gust
Sky Cover (%)	100	100	100	100	100	100	99	99	98	95	93	92	85	77	70	67	64	61	62	59	57	57	57	57
Precipitation Potential (%)	100	100	100	100	100	100	79	57	36	27	19	10	10	9	9	8	6	5	9	12	16	23	29	29
Relative Humidity (%)	89	89	93	93	93	89	96	96	96	96	96	96	93	93	96	83	81	75	73	70	68	64	61	61
Rain	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Lkly	Chc	Chc	SChc	--	--	--	--	--	--	--	--	--	SChc	SChc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date							05/07
Hour (EDT)	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17
Temperature (°C)	21	19	18	16	16	14	14	13	12	11	10	10	11	12	14	16	18	19	21	21	22	22	22	22
Dewpoint (°C)	14	14	13	13	12	12	11	11	10	9	9	8	9	9	10	9	9	9	9	8	8	8	8	8
Heat Index (°C)
Surface Wind (mph)	5	3	2	2	1	1	1	2	2	2	3	3	3	5	5	5	6	6	7	7	8	8	7	7
Wind Dir	SW	SW	SW	SW	SW	SW	W	NW	NW	N	N	N	N	N	N	N	NW	NW	NW	W	SW	SW	SW	S
Gust
Sky Cover (%)	57	57	57	57	53	49	52	53	55	44	34	23	21	19	17	14	12	9	9	8	8	22	37	51
Precipitation Potential (%)	22	14	6	5	4	3	2	1	0	0	1	1	1	1	1	1	0	0	5	9	14	18	23	27
Relative Humidity (%)	63	70	75	81	81	83	83	86	89	89	93	89	89	83	72	64	57	50	47	44	42	41	41	42
Rain	SChc	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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