Point Forecast: Tyngsboro MA  42.7N 71.44W (Elev. 167 ft)	Last Update: 10:05 am EDT May 14, 2024

[hide menu]

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: 1pm Tue, May 14 20242pm Tue, May 14 20243pm Tue, May 14 20244pm Tue, May 14 20245pm Tue, May 14 20246pm Tue, May 14 20247pm Tue, May 14 20248pm Tue, May 14 20249pm Tue, May 14 202410pm Tue, May 14 202411pm Tue, May 14 202412am Wed, May 15 20241am Wed, May 15 20242am Wed, May 15 20243am Wed, May 15 20244am Wed, May 15 20245am Wed, May 15 20246am Wed, May 15 20247am Wed, May 15 20248am Wed, May 15 20249am Wed, May 15 202410am Wed, May 15 202411am Wed, May 15 202412pm Wed, May 15 20241pm Wed, May 15 20242pm Wed, May 15 20243pm Wed, May 15 20244pm Wed, May 15 20245pm Wed, May 15 20246pm Wed, May 15 20247pm Wed, May 15 20248pm Wed, May 15 20249pm Wed, May 15 202410pm Wed, May 15 202411pm Wed, May 15 202412am Thu, May 16 20241am Thu, May 16 20242am Thu, May 16 20243am Thu, May 16 20244am Thu, May 16 20245am Thu, May 16 20246am Thu, May 16 20247am Thu, May 16 20248am Thu, May 16 20249am Thu, May 16 202410am Thu, May 16 202411am Thu, May 16 202412pm Thu, May 16 20241pm Thu, May 16 20242pm Thu, May 16 20243pm Thu, May 16 20244pm Thu, May 16 20245pm Thu, May 16 20246pm Thu, May 16 20247pm Thu, May 16 20248pm Thu, May 16 20249pm Thu, May 16 202410pm Thu, May 16 202411pm Thu, May 16 202412am Fri, May 17 20241am Fri, May 17 20242am Fri, May 17 20243am Fri, May 17 20244am Fri, May 17 20245am Fri, May 17 20246am Fri, May 17 20247am Fri, May 17 20248am Fri, May 17 20249am Fri, May 17 202410am Fri, May 17 202411am Fri, May 17 202412pm Fri, May 17 20241pm Fri, May 17 20242pm Fri, May 17 20243pm Fri, May 17 20244pm Fri, May 17 20245pm Fri, May 17 20246pm Fri, May 17 20247pm Fri, May 17 20248pm Fri, May 17 20249pm Fri, May 17 202410pm Fri, May 17 202411pm Fri, May 17 202412am Sat, May 18 20241am Sat, May 18 20242am Sat, May 18 20243am Sat, May 18 20244am Sat, May 18 20245am Sat, May 18 20246am Sat, May 18 20247am Sat, May 18 20248am Sat, May 18 20249am Sat, May 18 202410am Sat, May 18 202411am Sat, May 18 202412pm Sat, May 18 20241pm Sat, May 18 20242pm Sat, May 18 20243pm Sat, May 18 20244pm Sat, May 18 20245pm Sat, May 18 20246pm Sat, May 18 20247pm Sat, May 18 20248pm Sat, May 18 20249pm Sat, May 18 202410pm Sat, May 18 202411pm Sat, May 18 202412am Sun, May 19 2024

Date	05/14											05/15
Hour (EDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	75	77	79	79	78	76	74	69	67	65	64	62	61	60	59	58	58	58	59	63	67	69	70	72
Dewpoint (°F)	51	52	52	53	53	53	54	54	55	55	55	56	56	55	56	56	56	57	57	58	57	57	57	56
Heat Index (°F)	75	77	79	79	78	76
Surface Wind (mph)	10	11	11	11	11	10	9	8	7	7	7	6	7	6	6	5	5	5	5	5	6	6	7	7
Wind Dir	S	SW	SW	SW	SW	SW	SW	S	SW	SW	SW	SW	SW	SW	SW	S	S	S	S	S	S	S	S	S
Gust	20		21	21	21	20	20
Sky Cover (%)	28	27	23	22	19	23	30	42	50	43	36	39	42	45	49	52	56	64	72	80	82	83	84	82
Precipitation Potential (%)	4	6	5	4	3	3	3	3	3	4	4	6	9	11	11	10	10	14	19	23	21	18	16	16
Relative Humidity (%)	43	42	39	41	42	45	50	61	65	70	73	81	84	84	90	93	93	96	93	84	70	66	63	57
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date												05/16
Hour (EDT)	13	14	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12
Temperature (°F)	73	73	74	74	74	72	69	66	64	62	61	59	58	57	56	55	55	55	56	58	59	61	62	64
Dewpoint (°F)	56	56	56	55	56	56	55	56	56	56	56	56	56	56	56	55	55	55	56	56	56	56	57	56
Heat Index (°F)
Surface Wind (mph)	7	8	8	7	7	6	6	5	6	6	6	6	5	5	5	5	5	5	6	6	7	7	8	9
Wind Dir	S	S	S	S	S	S	S	SE	SE	S	S	S	SE	SE	SE	E	E	E	E	E	E	E	E	E
Gust
Sky Cover (%)	81	80	81	82	83	86	90	88	87	85	84	83	82	82	81	80	80	81	83	84	83	82	80	79
Precipitation Potential (%)	17	17	14	10	7	9	11	24	24	24	24	26	28	30	28	27	25	27	29	30	30	29	29	30
Relative Humidity (%)	55	55	53	51	53	57	61	70	75	81	84	90	93	96	100	100	100	100	100	93	90	84	84	75
Rain	SChc	SChc	--	--	--	--	--	--	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc	Chc
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

International System of Units Forecast Discussion 7-Day Forecast Hourly Weather Graph Hazardous Weather Regional Weather Conditions Past Weather Information Interactive Forecast Map Regional Weather Story Home