Point Forecast: North Chelmsford MA  42.62N 71.37W (Elev. 148 ft)	Last Update: 2:53 am EDT May 5, 2024

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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: 4am Sun, May 5 20245am Sun, May 5 20246am Sun, May 5 20247am Sun, May 5 20248am Sun, May 5 20249am Sun, May 5 202410am Sun, May 5 202411am Sun, May 5 202412pm Sun, May 5 20241pm Sun, May 5 20242pm Sun, May 5 20243pm Sun, May 5 20244pm Sun, May 5 20245pm Sun, May 5 20246pm 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 2024

Date	05/05																				05/06
Hour (EDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	45	45	45	46	48	49	51	52	52	52	53	53	52	52	52	51	50	49	49	49	49	49	49	49
Dewpoint (°F)	42	42	42	42	44	44	44	44	44	45	45	46	46	46	46	46	46	47	47	47	47	48	48	49
Heat Index (°F)
Surface Wind (mph)	2	2	2	3	5	5	6	7	7	6	6	6	6	6	6	6	6	5	5	5	3	5	5	5
Wind Dir	E	E	E	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	SE	S	S	S	S	S	S	S	S	S
Gust
Sky Cover (%)	95	96	94	91	90	87	89	95	96	100	100	99	100	100	100	100	100	100	100	100	100	100	100	96
Precipitation Potential (%)	0	0	0	0	1	4	16	25	43	52	55	59	64	62	70	73	79	79	90	84	86	82	54	30
Relative Humidity (%)	89	89	89	86	86	83	77	74	74	77	74	77	80	80	80	83	86	93	93	93	93	96	96	100
Rain	--	--	--	--	--	--	SChc	Chc	Chc	Chc	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Ocnl	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																					05/07
Hour (EDT)	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03
Temperature (°F)	49	50	50	51	54	56	60	63	65	67	69	70	71	71	70	68	66	63	61	59	57	56	55	54
Dewpoint (°F)	49	50	50	51	53	54	55	57	58	58	59	59	58	58	58	57	57	56	55	54	53	53	52	51
Heat Index (°F)
Surface Wind (mph)	5	5	3	5	3	3	2	2	2	1	1	1	2	2	2	2	2	3	5	6	6	6	6	6
Wind Dir	S	S	S	SW	SW	SW	W	W	W	NW	NW	NW	W	W	W	W	W	W	NW	NW	NW	NW	NW	NW
Gust
Sky Cover (%)	92	88	82	77	72	67	61	56	56	55	54	53	52	51	52	51	51	51	53	55	54	52	51	38
Precipitation Potential (%)	30	21	12	15	25	28	27	14	14	9	11	11	17	16	27	32	27	22	17	11	6	1	1	1
Relative Humidity (%)	100	100	100	100	96	93	84	81	78	73	70	68	63	63	66	68	73	77	81	83	85	89	90	91
Rain	Chc	SChc	--	SChc	Chc	Chc	Chc	--	--	--	--	--	SChc	SChc	Chc	Chc	Chc	SChc	SChc	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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