Point Forecast: Williamstown MA  42.72N 73.2W (Elev. 627 ft)	Last Update: 8:36 pm EDT Jun 7, 2026

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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 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: 1am Mon, Jun 8 20262am Mon, Jun 8 20263am Mon, Jun 8 20264am Mon, Jun 8 20265am Mon, Jun 8 20266am Mon, Jun 8 20267am Mon, Jun 8 20268am Mon, Jun 8 20269am Mon, Jun 8 202610am Mon, Jun 8 202611am Mon, Jun 8 202612pm Mon, Jun 8 20261pm Mon, Jun 8 20262pm Mon, Jun 8 20263pm Mon, Jun 8 20264pm Mon, Jun 8 20265pm Mon, Jun 8 20266pm Mon, Jun 8 20267pm Mon, Jun 8 20268pm Mon, Jun 8 20269pm Mon, Jun 8 202610pm Mon, Jun 8 202611pm Mon, Jun 8 202612am Tue, Jun 9 20261am Tue, Jun 9 20262am Tue, Jun 9 20263am Tue, Jun 9 20264am Tue, Jun 9 20265am Tue, Jun 9 20266am Tue, Jun 9 20267am Tue, Jun 9 20268am Tue, Jun 9 20269am Tue, Jun 9 202610am Tue, Jun 9 202611am Tue, Jun 9 202612pm Tue, Jun 9 20261pm Tue, Jun 9 20262pm Tue, Jun 9 20263pm Tue, Jun 9 20264pm Tue, Jun 9 20265pm Tue, Jun 9 20266pm Tue, Jun 9 20267pm Tue, Jun 9 20268pm Tue, Jun 9 20269pm Tue, Jun 9 202610pm Tue, Jun 9 202611pm Tue, Jun 9 202612am Wed, Jun 10 20261am Wed, Jun 10 20262am Wed, Jun 10 20263am Wed, Jun 10 20264am Wed, Jun 10 20265am Wed, Jun 10 20266am Wed, Jun 10 20267am Wed, Jun 10 20268am Wed, Jun 10 20269am Wed, Jun 10 202610am Wed, Jun 10 202611am Wed, Jun 10 202612pm Wed, Jun 10 20261pm Wed, Jun 10 20262pm Wed, Jun 10 20263pm Wed, Jun 10 20264pm Wed, Jun 10 20265pm Wed, Jun 10 20266pm Wed, Jun 10 20267pm Wed, Jun 10 20268pm Wed, Jun 10 20269pm Wed, Jun 10 202610pm Wed, Jun 10 202611pm Wed, Jun 10 202612am Thu, Jun 11 20261am Thu, Jun 11 20262am Thu, Jun 11 20263am Thu, Jun 11 20264am Thu, Jun 11 20265am Thu, Jun 11 20266am Thu, Jun 11 20267am Thu, Jun 11 20268am Thu, Jun 11 20269am Thu, Jun 11 202610am Thu, Jun 11 202611am Thu, Jun 11 202612pm Thu, Jun 11 20261pm Thu, Jun 11 20262pm Thu, Jun 11 20263pm Thu, Jun 11 20264pm Thu, Jun 11 20265pm Thu, Jun 11 20266pm Thu, Jun 11 20267pm Thu, Jun 11 20268pm Thu, Jun 11 20269pm Thu, Jun 11 202610pm Thu, Jun 11 202611pm Thu, Jun 11 202612am Fri, Jun 12 20261am Fri, Jun 12 20262am Fri, Jun 12 20263am Fri, Jun 12 20264am Fri, Jun 12 20265am Fri, Jun 12 20266am Fri, Jun 12 20267am Fri, Jun 12 20268am Fri, Jun 12 20269am Fri, Jun 12 202610am Fri, Jun 12 202611am Fri, Jun 12 202612pm Fri, Jun 12 2026

Date	06/08																							06/09
Hour (EDT)	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00
Temperature (°F)	53	51	49	48	49	51	54	58	63	68	72	75	77	77	78	78	77	75	74	71	68	64	61	58
Dewpoint (°F)	53	51	49	48	47	47	48	49	48	47	46	46	46	46	47	48	49	50	52	54	52	51	50	50
Heat Index (°F)												75	77	77	78	78	77	75
Surface Wind (mph)	2	1	0	0	0	0	0	0	0	1	1	2	2	2	2	3	3	2	0	0	0	0	0	0
Wind Dir	NW	NW	N	N	N	N	N	N	NE	NE	NE	NE	N	NW	NW	NW	NW	NW	NW	N	N	N	N	SE
Gust
Sky Cover (%)	17	9	19	27	21	24	5	11	5	3	5	11	6	16	14	22	14	7	10	3	6	2	4	3
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	100	100	100	100	93	86	80	72	58	47	39	36	33	33	34	35	37	41	46	55	57	63	67	75
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date																								06/10
Hour (EDT)	01	02	03	04	05	06	07	08	09	10	11	12	13	14	15	16	17	18	19	20	21	22	23	00
Temperature (°F)	55	52	51	51	51	51	54	59	66	72	77	80	82	82	82	86	85	82	80	79	78	73	69	66
Dewpoint (°F)	49	48	48	47	46	47	49	51	52	53	54	55	55	55	55	56	56	57	58	59	58	57	56	55
Heat Index (°F)											77	80	81	81	81	85	84	82	81	79	78
Surface Wind (mph)	0	0	1	1	1	1	1	0	1	2	3	5	5	5	5	5	3	2	1	0	0	0	0	0
Wind Dir	S	S	S	S	S	S	S	SW	W	W	W	W	W	W	W	W	W	SW	SW	SW	SW	S	S	S
Gust
Sky Cover (%)	3	5	6	8	2	5	3	2	0	1	2	7	11	16	15	14	13	14	14	15	18	21	24	31
Precipitation Potential (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Relative Humidity (%)	80	86	89	86	83	86	83	75	61	51	45	42	40	40	40	36	37	43	47	50	50	57	63	68
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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