Point Forecast: Williamstown MA  42.69N 73.18W (Elev. 210 m)	Last Update: 12:53 pm EST Jan 14, 2026

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Weather Elements Fire Weather Aviation Weather Temperature (°C) Dewpoint (°C) Wind Chill (°C) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Snow Freezing Rain Sleet Fog Mixing Height  x100ftx100m 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: 3pm Wed, Jan 14 20264pm Wed, Jan 14 20265pm Wed, Jan 14 20266pm Wed, Jan 14 20267pm Wed, Jan 14 20268pm Wed, Jan 14 20269pm Wed, Jan 14 202610pm Wed, Jan 14 202611pm Wed, Jan 14 202612am Thu, Jan 15 20261am Thu, Jan 15 20262am Thu, Jan 15 20263am Thu, Jan 15 20264am Thu, Jan 15 20265am Thu, Jan 15 20266am Thu, Jan 15 20267am Thu, Jan 15 20268am Thu, Jan 15 20269am Thu, Jan 15 202610am Thu, Jan 15 202611am Thu, Jan 15 202612pm Thu, Jan 15 20261pm Thu, Jan 15 20262pm Thu, Jan 15 20263pm Thu, Jan 15 20264pm Thu, Jan 15 20265pm Thu, Jan 15 20266pm Thu, Jan 15 20267pm Thu, Jan 15 20268pm Thu, Jan 15 20269pm Thu, Jan 15 202610pm Thu, Jan 15 202611pm Thu, Jan 15 202612am Fri, Jan 16 20261am Fri, Jan 16 20262am Fri, Jan 16 20263am Fri, Jan 16 20264am Fri, Jan 16 20265am Fri, Jan 16 20266am Fri, Jan 16 20267am Fri, Jan 16 20268am Fri, Jan 16 20269am Fri, Jan 16 202610am Fri, Jan 16 202611am Fri, Jan 16 202612pm Fri, Jan 16 20261pm Fri, Jan 16 20262pm Fri, Jan 16 20263pm Fri, Jan 16 20264pm Fri, Jan 16 20265pm Fri, Jan 16 20266pm Fri, Jan 16 20267pm Fri, Jan 16 20268pm Fri, Jan 16 20269pm Fri, Jan 16 202610pm Fri, Jan 16 202611pm Fri, Jan 16 202612am Sat, Jan 17 20261am Sat, Jan 17 20262am Sat, Jan 17 20263am Sat, Jan 17 20264am Sat, Jan 17 20265am Sat, Jan 17 20266am Sat, Jan 17 20267am Sat, Jan 17 20268am Sat, Jan 17 20269am Sat, Jan 17 202610am Sat, Jan 17 202611am Sat, Jan 17 202612pm Sat, Jan 17 20261pm Sat, Jan 17 20262pm Sat, Jan 17 20263pm Sat, Jan 17 20264pm Sat, Jan 17 20265pm Sat, Jan 17 20266pm Sat, Jan 17 20267pm Sat, Jan 17 20268pm Sat, Jan 17 20269pm Sat, Jan 17 202610pm Sat, Jan 17 202611pm Sat, Jan 17 202612am Sun, Jan 18 20261am Sun, Jan 18 20262am Sun, Jan 18 20263am Sun, Jan 18 20264am Sun, Jan 18 20265am Sun, Jan 18 20266am Sun, Jan 18 20267am Sun, Jan 18 20268am Sun, Jan 18 20269am Sun, Jan 18 202610am Sun, Jan 18 202611am Sun, Jan 18 202612pm Sun, Jan 18 20261pm Sun, Jan 18 20262pm Sun, Jan 18 20263pm Sun, Jan 18 20264pm Sun, Jan 18 20265pm Sun, Jan 18 20266pm Sun, Jan 18 20267pm Sun, Jan 18 20268pm Sun, Jan 18 20269pm Sun, Jan 18 202610pm Sun, Jan 18 202611pm Sun, Jan 18 202612am Mon, Jan 19 20261am Mon, Jan 19 20262am Mon, Jan 19 2026

Date	01/14									01/15
Hour (EST)	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14
Temperature (°C)	8	7	6	6	5	4	4	4	4	4	4	4	4	4	3	3	2	1	3	2	3	2	1	1
Dewpoint (°C)	2	2	3	3	3	3	3	2	2	2	2	2	2	1	1	2	1	1	1	0	-2	-3	-4	-6
Wind Chill (°C)	6	6	6	6	5	4	4	4	4	4	4	4	3	4	3	1	0	-2	0	-1	-1	-2	-3	-4
Surface Wind (mph)	6	5	2	2	2	1	1	1	1	2	2	2	3	2	2	3	5	5	6	7	8	9	10	10
Wind Dir	S	S	SE	SE	E	E	E	E	E	E	E	E	W	S	SE	SE	SE	SE	SW	SW	W	W	W	W
Gust
Sky Cover (%)	83	88	86	90	92	94	92	93	94	92	93	91	91	92	93	93	88	85	80	84	81	80	79	83
Precipitation Potential (%)	35	46	58	69	79	90	82	74	67	69	70	72	65	60	51	46	41	36	30	25	20	20	20	21
Relative Humidity (%)	68	70	79	86	89	89	92	89	89	89	89	89	85	82	85	92	92	100	85	85	72	72	66	63
Rain	Chc	Chc	Lkly	Lkly	Ocnl	Ocnl	Ocnl	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Lkly	Chc	Chc	Chc	Chc	Chc	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	Chc	Chc	SChc	SChc	SChc	SChc
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Date										01/16
Hour (EST)	15	16	17	18	19	20	21	22	23	00	01	02	03	04	05	06	07	08	09	10	11	12	13	14
Temperature (°C)	-1	-2	-3	-4	-4	-6	-7	-7	-8	-8	-8	-9	-10	-11	-11	-11	-10	-9	-9	-8	-7	-6	-5	-4
Dewpoint (°C)	-7	-8	-9	-11	-11	-12	-12	-13	-14	-14	-15	-15	-16	-16	-16	-16	-16	-16	-16	-16	-16	-15	-15	-15
Wind Chill (°C)	-6	-7	-8	-10	-11	-12	-13	-14	-15	-15	-16	-17	-18	-19	-19	-19	-18	-18	-17	-16	-14	-12	-11	-9
Surface Wind (mph)	10	10	10	11	11	11	10	11	11	13	14	14	14	14	14	14	14	14	13	13	11	10	9	8
Wind Dir	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W	W
Gust
Sky Cover (%)	78	82	78	80	68	60	69	77	78	80	81	80	79	78	75	73	70	57	44	31	26	21	16	29
Precipitation Potential (%)	16	12	8	13	18	18	18	18	18	18	15	15	15	15	15	15	0	0	0	0	0	0	3	3
Relative Humidity (%)	66	63	60	60	60	62	64	62	61	59	58	61	64	67	67	64	61	58	58	56	51	49	45	43
Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Thunder	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Snow	SChc	--	--	--	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	SChc	--	--	--	--	--	--	--	--
Freezing Rain	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--
Sleet	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--	--

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