Weather Mount Greylock – South Williamstown (ski weather/mountain weather)

Weather forecast (ski/mountain weather)

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Tuesday, 06. January 2026

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Friday, 09. January 2026

Saturday, 10. January 2026

Sunday, 11. January 2026

Monday, 12. January 2026

Weather Weather Weather Weather Weather Weather Weather	Mtn. 481m Temperature	Base 387 Temperature
1 AM ​	-5°C	-4°C
4 AM ​	-9°C	-8°C
7 AM ​	-9°C	-8°C
10 AM ​	-1°C	0°C
1 PM ​	0°C	1°C
4 PM ​	-2°C	-1°C
7 PM ​	-2°C	-1°C
10 PM ​	-3°C	-2°C
Period of sunshine	2 hours
1 AM ​	-2°C	-1°C
4 AM ​	0°C	1°C
7 AM ​	-1°C	0°C
10 AM ​	1°C	2°C
1 PM ​	0°C	1°C
4 PM ​	0°C	1°C
7 PM ​	-2°C	-1°C
10 PM ​	-2°C	-1°C
Period of sunshine	1.5 hours
1 AM ​	-2°C	-1°C
4 AM ​	-1°C	0°C
7 AM ​	0°C	1°C
10 AM ​	1°C	2°C
1 PM ​	2°C	3°C
4 PM ​	0°C	1°C
7 PM ​	-4°C	-3°C
10 PM ​	-4°C	-3°C
Period of sunshine	3 hours
1 AM ​	-1°C	0°C
4 AM ​	-1°C	0°C
7 AM ​	3°C	4°C
10 AM ​	4°C	5°C
1 PM ​	5°C	6°C
4 PM ​	7°C	8°C
7 PM ​	9°C	10°C
10 PM ​	8°C	9°C
Period of sunshine	2 hours
1 AM ​	3°C	4°C
4 AM ​	0°C	1°C
7 AM ​	-1°C	0°C
10 AM ​	3°C	4°C
1 PM ​	2°C	3°C
4 PM ​	0°C	1°C
7 PM ​	0°C	1°C
10 PM ​	0°C	1°C
Period of sunshine	1.5 hours
1 AM ​	0°C	1°C
4 AM ​	1°C	2°C
7 AM ​	0°C	1°C
10 AM ​	1°C	2°C
1 PM ​	1°C	2°C
4 PM ​	2°C	3°C
7 PM ​	4°C	5°C
10 PM ​	2°C	3°C
Period of sunshine	1 hours
1 AM ​	-2°C	-1°C
4 AM ​	-2°C	-1°C
7 AM ​	-3°C	-2°C
10 AM ​	-2°C	-1°C
1 PM ​	-2°C	-1°C
4 PM ​	-3°C	-2°C
7 PM ​	-5°C	-4°C
10 PM ​	-5°C	-4°C
Period of sunshine	3 hours

Weather Weather Weather Weather Weather Weather Weather	1 AM ​	4 AM ​	7 AM ​	10 AM ​	1 PM ​	4 PM ​	7 PM ​	10 PM ​
Mtn. 481m
Temperature	-5°C	-9°C	-9°C	-1°C	0°C	-2°C	-2°C	-3°C
Base 387m
Temperature	-4°C	-8°C	-8°C	0°C	1°C	-1°C	-1°C	-2°C
Period of sunshine		2 hours
Mtn. 481m
Temperature	-2°C	0°C	-1°C	1°C	0°C	0°C	-2°C	-2°C
Base 387m
Temperature	-1°C	1°C	0°C	2°C	1°C	1°C	-1°C	-1°C
Period of sunshine		1.5 hours
Mtn. 481m
Temperature	-2°C	-1°C	0°C	1°C	2°C	0°C	-4°C	-4°C
Base 387m
Temperature	-1°C	0°C	1°C	2°C	3°C	1°C	-3°C	-3°C
Period of sunshine		3 hours
Mtn. 481m
Temperature	-1°C	-1°C	3°C	4°C	5°C	7°C	9°C	8°C
Base 387m
Temperature	0°C	0°C	4°C	5°C	6°C	8°C	10°C	9°C
Period of sunshine		2 hours
Mtn. 481m
Temperature	3°C	0°C	-1°C	3°C	2°C	0°C	0°C	0°C
Base 387m
Temperature	4°C	1°C	0°C	4°C	3°C	1°C	1°C	1°C
Period of sunshine		1.5 hours
Mtn. 481m
Temperature	0°C	1°C	0°C	1°C	1°C	2°C	4°C	2°C
Base 387m
Temperature	1°C	2°C	1°C	2°C	2°C	3°C	5°C	3°C
Period of sunshine		1 hours
Mtn. 481m
Temperature	-2°C	-2°C	-3°C	-2°C	-2°C	-3°C	-5°C	-5°C
Base 387m
Temperature	-1°C	-1°C	-2°C	-1°C	-1°C	-2°C	-4°C	-4°C
Period of sunshine		3 hours

Precipitation	1 AM ​	4 AM ​	7 AM ​	10 AM ​	1 PM ​	4 PM ​	7 PM ​	10 PM ​
Chance of precipitation	85 %	15 %	15 %	20 %	20 %	20 %	85 %	85 %
Precipitation quantity	<1 l /m²	-	-	-	-	-	<1 l /m²	<1 l /m²
Snow line	0 m	0 m	0 m	45 m	145 m	0 m	507 m	507 m
New snow Mtn. 481m Base 387m	<1 cm <1 cm	- -	- -	- -	- -	- -	<1 cm <1 cm	<1 cm <1 cm
Humidity	99 %	99 %	98 %	89 %	92 %	96 %	98 %	99 %
Pressure in hPa	1016	1017	1017	1016	1013	1012	1011	1009
Chance of precipitation	85 %	85 %	85 %	85 %	20 %	20 %	20 %	20 %
Precipitation quantity	<1 l /m²	3  l /m²	1  l /m²	<1 l /m²	-	-	-	-
Snow line	505 m	661 m	506 m	258 m	291 m	160 m	0 m	0 m
New snow Mtn. 481m Base 387m	<1 cm <1 cm	- -	1 cm 1 cm	<1 cm <1 cm	- -	- -	- -	- -
Humidity	99 %	99 %	99 %	99 %	98 %	95 %	95 %	95 %
Pressure in hPa	1006	1003	1003	1005	1005	1008	1011	1014
Chance of precipitation	20 %	20 %	20 %	15 %	20 %	15 %	10 %	10 %
Precipitation quantity	-	-	-	-	-	-	-	-
Snow line	0 m	146 m	166 m	361 m	389 m	324 m	0 m	0 m
New snow Mtn. 481m Base 387m	- -	- -	- -	- -	- -	- -	- -	- -
Humidity	97 %	95 %	93 %	95 %	97 %	98 %	99 %	96 %
Pressure in hPa	1015	1016	1019	1021	1022	1023	1026	1026
Chance of precipitation	20 %	15 %	20 %	15 %	85 %	85 %	85 %	20 %
Precipitation quantity	-	-	-	-	<1 l /m²	3  l /m²	2  l /m²	-
Snow line	0 m	66 m	2545 m	2782 m	2591 m	2684 m	2708 m	2904 m
New snow Mtn. 481m Base 387m	- -	- -	- -	- -	- -	- -	- -	- -
Humidity	95 %	95 %	87 %	88 %	97 %	98 %	98 %	98 %
Pressure in hPa	1025	1024	1022	1021	1018	1016	1016	1017
Chance of precipitation	20 %	20 %	20 %	20 %	20 %	85 %	85 %	85 %
Precipitation quantity	-	-	-	-	-	<1 l /m²	2  l /m²	<1 l /m²
Snow line	3205 m	286 m	70 m	2406 m	2356 m	1785 m	1591 m	1828 m
New snow Mtn. 481m Base 387m	- -	- -	- -	- -	- -	- -	- -	- -
Humidity	87 %	97 %	98 %	84 %	94 %	91 %	98 %	98 %
Pressure in hPa	1020	1024	1025	1025	1024	1024	1024	1022
Chance of precipitation	60 %	85 %	85 %	85 %	85 %	85 %	85 %	85 %
Precipitation quantity	<1 l /m²	2  l /m²	3  l /m²	4  l /m²	4  l /m²	3  l /m²	5  l /m²	<1 l /m²
Snow line	2176 m	2344 m	2528 m	2465 m	2864 m	2622 m	2035 m	543 m
New snow Mtn. 481m Base 387m	- -	- -	- -	- -	- -	- -	- -	- -
Humidity	98 %	99 %	99 %	99 %	100 %	100 %	97 %	96 %
Pressure in hPa	1020	1018	1015	1014	1009	1008	1008	1008
Chance of precipitation	85 %	10 %	15 %	20 %	15 %	20 %	20 %	20 %
Precipitation quantity	<1 l /m²	-	-	-	-	-	-	-
Snow line	192 m	32 m	0 m	0 m	0 m	0 m	0 m	0 m
New snow Mtn. 481m Base 387m	<1 cm <1 cm	- -	- -	- -	- -	- -	- -	- -
Humidity	85 %	82 %	93 %	85 %	84 %	86 %	85 %	86 %
Pressure in hPa	1009	1009	1011	1013	1014	1019	1022	1022

Wind	1 AM ​	4 AM ​	7 AM ​	10 AM ​	1 PM ​	4 PM ​	7 PM ​	10 PM ​
Mtn. 481m Ø in km/h Max in km/h	W-S-W 4 4	W 7 7	N-N-W 4 4	SE 4 4	SE 7 11	S-S-E 18 18	SE 22 22	SE 22 29
Base 387m Ø in km/h Max in km/h	W-S-W 4 4	W 7 7	N-N-W 4 4	SE 4 4	SE 7 11	S-S-E 18 18	SE 22 22	SE 22 29
Mtn. 481m Ø in km/h Max in km/h	SE 11 14	SE 11 14	S-S-E 4 4	W 18 18	W-N-W 36 40	W-N-W 40 47	W-N-W 36 43	W-N-W 22 36
Base 387m Ø in km/h Max in km/h	SE 11 14	SE 11 14	S-S-E 4 4	W 18 18	W-N-W 36 40	W-N-W 40 47	W-N-W 36 43	W-N-W 22 36
Mtn. 481m Ø in km/h Max in km/h	W-N-W 22 32	W-N-W 29 43	NW 29 36	W-N-W 18 25	W-N-W 14 18	W-N-W 7 7	W-S-W 7 11	SW 11 11
Base 387m Ø in km/h Max in km/h	W-N-W 22 32	W-N-W 29 43	NW 29 36	W-N-W 18 25	W-N-W 14 18	W-N-W 7 7	W-S-W 7 11	SW 11 11
Mtn. 481m Ø in km/h Max in km/h	S-S-W 14 14	S-S-W 25 25	S-S-W 29 43	S-S-W 40 58	S-S-W 40 58	SW 40 61	SW 40 58	W 36 50
Base 387m Ø in km/h Max in km/h	S-S-W 14 14	S-S-W 25 25	S-S-W 29 43	S-S-W 40 58	S-S-W 40 58	SW 40 61	SW 40 58	W 36 50
Mtn. 481m Ø in km/h Max in km/h	W-N-W 36 47	NW 22 22	N-N-W 14 14	NE 7 7	E-N-E 7 7	E-N-E 25 29	E-N-E 22 29	E-N-E 25 29
Base 387m Ø in km/h Max in km/h	W-N-W 36 47	NW 22 22	N-N-W 14 14	NE 7 7	E-N-E 7 7	E-N-E 25 29	E-N-E 22 29	E-N-E 25 29
Mtn. 481m Ø in km/h Max in km/h	E 18 22	E-S-E 7 22	E 7 7	E-S-E 4 7	S 29 29	W-S-W 29 29	W-N-W 47 50	W-N-W 40 40
Base 387m Ø in km/h Max in km/h	E 18 22	E-S-E 7 22	E 7 7	E-S-E 4 7	S 29 29	W-S-W 29 29	W-N-W 47 50	W-N-W 40 40
Mtn. 481m Ø in km/h Max in km/h	W-N-W 36 43	W 50 54	W 54 58	W-N-W 68 72	W-N-W 36 47	W-N-W 32 40	W-N-W 32 43	W-N-W 32 43
Base 387m Ø in km/h Max in km/h	W-N-W 36 43	W 50 54	W 54 58	W-N-W 68 72	W-N-W 36 47	W-N-W 32 40	W-N-W 32 43	W-N-W 32 43

Wind	Mtn. 481m Ø in km/h Max in km/h	Base 387m Ø in km/h Max in km/h
1 AM ​	W-S-W 4 4	W-S-W 4 4
4 AM ​	W 7 7	W 7 7
7 AM ​	N-N-W 4 4	N-N-W 4 4
10 AM ​	SE 4 4	SE 4 4
1 PM ​	SE 7 11	SE 7 11
4 PM ​	S-S-E 18 18	S-S-E 18 18
7 PM ​	SE 22 22	SE 22 22
10 PM ​	SE 22 29	SE 22 29
1 AM ​	SE 11 14	SE 11 14
4 AM ​	SE 11 14	SE 11 14
7 AM ​	S-S-E 4 4	S-S-E 4 4
10 AM ​	W 18 18	W 18 18
1 PM ​	W-N-W 36 40	W-N-W 36 40
4 PM ​	W-N-W 40 47	W-N-W 40 47
7 PM ​	W-N-W 36 43	W-N-W 36 43
10 PM ​	W-N-W 22 36	W-N-W 22 36
1 AM ​	W-N-W 22 32	W-N-W 22 32
4 AM ​	W-N-W 29 43	W-N-W 29 43
7 AM ​	NW 29 36	NW 29 36
10 AM ​	W-N-W 18 25	W-N-W 18 25
1 PM ​	W-N-W 14 18	W-N-W 14 18
4 PM ​	W-N-W 7 7	W-N-W 7 7
7 PM ​	W-S-W 7 11	W-S-W 7 11
10 PM ​	SW 11 11	SW 11 11
1 AM ​	S-S-W 14 14	S-S-W 14 14
4 AM ​	S-S-W 25 25	S-S-W 25 25
7 AM ​	S-S-W 29 43	S-S-W 29 43
10 AM ​	S-S-W 40 58	S-S-W 40 58
1 PM ​	S-S-W 40 58	S-S-W 40 58
4 PM ​	SW 40 61	SW 40 61
7 PM ​	SW 40 58	SW 40 58
10 PM ​	W 36 50	W 36 50
1 AM ​	W-N-W 36 47	W-N-W 36 47
4 AM ​	NW 22 22	NW 22 22
7 AM ​	N-N-W 14 14	N-N-W 14 14
10 AM ​	NE 7 7	NE 7 7
1 PM ​	E-N-E 7 7	E-N-E 7 7
4 PM ​	E-N-E 25 29	E-N-E 25 29
7 PM ​	E-N-E 22 29	E-N-E 22 29
10 PM ​	E-N-E 25 29	E-N-E 25 29
1 AM ​	E 18 22	E 18 22
4 AM ​	E-S-E 7 22	E-S-E 7 22
7 AM ​	E 7 7	E 7 7
10 AM ​	E-S-E 4 7	E-S-E 4 7
1 PM ​	S 29 29	S 29 29
4 PM ​	W-S-W 29 29	W-S-W 29 29
7 PM ​	W-N-W 47 50	W-N-W 47 50
10 PM ​	W-N-W 40 40	W-N-W 40 40
1 AM ​	W-N-W 36 43	W-N-W 36 43
4 AM ​	W 50 54	W 50 54
7 AM ​	W 54 58	W 54 58
10 AM ​	W-N-W 68 72	W-N-W 68 72
1 PM ​	W-N-W 36 47	W-N-W 36 47
4 PM ​	W-N-W 32 40	W-N-W 32 40
7 PM ​	W-N-W 32 43	W-N-W 32 43
10 PM ​	W-N-W 32 43	W-N-W 32 43

Astronomical data
Twilight begin: Sunrise: Sunset: Twilight end:	06:50 07:22 16:34 17:06
Moonrise: Moonset:	20:36 09:40
Twilight begin: Sunrise: Sunset: Twilight end:	06:50 07:22 16:35 17:07
Moonrise: Moonset:	21:46 10:02
Twilight begin: Sunrise: Sunset: Twilight end:	06:50 07:22 16:36 17:08
Moonrise: Moonset:	22:51 10:22
Twilight begin: Sunrise: Sunset: Twilight end:	06:50 07:22 16:38 17:09
Moonrise: Moonset:	23:56 10:40
Twilight begin: Sunrise: Sunset: Twilight end:	06:49 07:21 16:39 17:10
Moonrise: Moonset:	- 11:00
Twilight begin: Sunrise: Sunset: Twilight end:	06:49 07:21 16:40 17:11
Moonrise: Moonset:	01:00 11:21
Twilight begin: Sunrise: Sunset: Twilight end:	06:49 07:21 16:41 17:13
Moonrise: Moonset:	02:04 11:45

Tue 6 Jan Details »	Wed 7 Jan Details »	Thu 8 Jan Details »	Fri 9 Jan Details »	Sat 10 Jan Details »	Sun 11 Jan Details »	Mon 12 Jan Details »

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Weather Mount Greylock – South Williamstown / ski weather & mountain weather Mount Greylock – South Williamstown

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Source www.wetter.net

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