Williamstown, MA Weather

01:28 Thursday Artboard
Mist
Mist
21° Feels like 21°
Last Quarter Last Quarter Illuminated: 68%
  • Today 14 Aug. Light rain 40% 0.8 mm 29° / 19° Calm 12 - 33 km/h
  • Tomorrow 15 Aug. Scattered clouds 29° / 17° Calm 7 - 22 km/h
  • Saturday 16 Aug. Light rain 30% 0.1 mm 31° / 17° Calm 8 - 23 km/h
  • Sunday 17 Aug. Scattered clouds 31° / 18° Calm 14 - 39 km/h
  • Monday 18 Aug. Light rain 50% 0.3 mm 26° / 16° Calm 12 - 32 km/h
  • Tuesday 19 Aug. Scattered clouds 28° / 13° Calm 10 - 33 km/h
  • Wednesday 20 Aug. Light rain 60% 0.5 mm 28° / 16° Calm 15 - 49 km/h

Weather Forecast for Williamstown, MA Today

, 14 August

Tomorrow

, 15 August
01:00 Mist 21° Mist
Feels Like 21°
Calm Southwest 2 - 9 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 100%
  • Dew Point Dew Point 21 °C
  • Clouds Clouds 92%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 900 m
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog Yes
  • Wind - Gusts Wind - Gusts 9 km/h
  • Snowline Snowline 14764 ft
02:00 Fog 21° Fog
Feels Like 21°
Calm Southwest 2 - 9 km/h
UV Index 0 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 100%
  • Dew Point Dew Point 21 °C
  • Clouds Clouds 97%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 500 m
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog Yes
  • Wind - Gusts Wind - Gusts 9 km/h
  • Snowline Snowline 14764 ft
03:00 Fog 21° Fog
Feels Like 21°
Calm Southwest 2 - 9 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 100%
  • Dew Point Dew Point 21 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 250 m
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog Yes
  • Wind - Gusts Wind - Gusts 9 km/h
  • Snowline Snowline 14764 ft
04:00 Fog 21° Fog
Feels Like 21°
Calm West 1 - 9 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 100%
  • Dew Point Dew Point 21 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 200 m
  • Wind Wind - Average 1 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog Yes
  • Wind - Gusts Wind - Gusts 9 km/h
  • Snowline Snowline 14764 ft
Fog 05:00 Fog 21° Fog
Feels Like 21°
Calm Southwest 2 - 9 km/h
UV Index 0 Low SPF: no
Fog 05:00 Fog 21° Fog
Feels Like 21°
Calm Southwest 2 - 9 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 100%
  • Dew Point Dew Point 21 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 150 m
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog Yes
  • Wind - Gusts Wind - Gusts 9 km/h
  • Snowline Snowline 14764 ft
06:00 Fog 21° Fog
Feels Like 21°
Calm West 1 - 8 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 99%
  • Dew Point Dew Point 21 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 150 m
  • Wind Wind - Average 1 km/h
  • Pressure Pressure 1012 hPa
  • Fog Fog Yes
  • Wind - Gusts Wind - Gusts 8 km/h
  • Snowline Snowline 14764 ft
07:00 Overcast 21° Overcast
Feels Like 21°
Calm West 3 - 9 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 99%
  • Dew Point Dew Point 21 °C
  • Clouds Clouds 100%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 2 km
  • Wind Wind - Average 3 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 9 km/h
  • Snowline Snowline 14764 ft
Overcast 08:00 Overcast 22° Overcast
Feels Like 21°
Calm Northwest 5 - 15 km/h
UV Index 1 Low SPF: no
Overcast 08:00 Overcast 22° Overcast
Feels Like 21°
Calm Northwest 5 - 15 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 92%
  • Dew Point Dew Point 21 °C
  • Clouds Clouds 97%
  • Feels Like Feels Like 21 °C
  • Visibility Visibility 18 km
  • Wind Wind - Average 5 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 15 km/h
  • Snowline Snowline 14764 ft
09:00 Overcast 24° Overcast
Feels Like 24°
Calm Northwest 8 - 21 km/h
UV Index 1 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 81%
  • Dew Point Dew Point 21 °C
  • Clouds Clouds 97%
  • Feels Like Feels Like 24 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 8 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 21 km/h
  • Snowline Snowline 14764 ft
10:00 Scattered clouds 25° Scattered clouds
Feels Like 26°
Calm Northwest 10 - 27 km/h
UV Index 3 Moderate SPF: 6-10
  • Rain Rain 0% 0 mm
  • Humidity Humidity 74%
  • Dew Point Dew Point 20 °C
  • Clouds Clouds 54%
  • Feels Like Feels Like 26 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 27 km/h
  • Snowline Snowline 14764 ft
Scattered clouds 11:00 Scattered clouds 26° Scattered clouds
Feels Like 27°
Calm Northwest 10 - 28 km/h
UV Index 5 Moderate SPF: 6-10
Scattered clouds 11:00 Scattered clouds 26° Scattered clouds
Feels Like 27°
Calm Northwest 10 - 28 km/h
UV Index 5 Moderate SPF: 6-10
  • Rain Rain 10% 0 mm
  • Humidity Humidity 71%
  • Dew Point Dew Point 20 °C
  • Clouds Clouds 25%
  • Feels Like Feels Like 27 °C
  • Visibility Visibility 18 km
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 28 km/h
  • Snowline Snowline 15092 ft
12:00 Scattered clouds 27° Scattered clouds
Feels Like 29°
Calm Northwest 11 - 30 km/h
UV Index 7 High SPF: 15-25
  • Rain Rain 10% 0 mm
  • Humidity Humidity 68%
  • Dew Point Dew Point 21 °C
  • Clouds Clouds 34%
  • Feels Like Feels Like 29 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 30 km/h
  • Snowline Snowline 14764 ft
13:00 Scattered clouds 28° Scattered clouds
Feels Like 30°
Calm Northwest 10 - 30 km/h
UV Index 7 High SPF: 15-25
  • Rain Rain 10% 0 mm
  • Humidity Humidity 66%
  • Dew Point Dew Point 21 °C
  • Clouds Clouds 24%
  • Feels Like Feels Like 30 °C
  • Visibility Visibility 25 km
  • Wind Wind - Average 10 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 30 km/h
  • Snowline Snowline 15092 ft
Scattered clouds 14:00 Scattered clouds 28° Scattered clouds
Feels Like 30°
Calm Northwest 9 - 30 km/h
UV Index 7 High SPF: 15-25
Scattered clouds 14:00 Scattered clouds 30% 0.6 mm 28° Light rain
Feels Like 30°
Calm Northwest 9 - 30 km/h
UV Index 7 High SPF: 15-25
  • Rain Rain 10% 0 mm
  • Humidity Humidity 65%
  • Dew Point Dew Point 21 °C
  • Clouds Clouds 29%
  • Feels Like Feels Like 30 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 30 km/h
  • Snowline Snowline 15092 ft
15:00 Light rain 30% 0.6 mm 28° Light rain
Feels Like 29°
Calm Northwest 12 - 31 km/h
UV Index 5 Moderate SPF: 6-10
  • Rain Rain 30% 0.6 mm
  • Humidity Humidity 62%
  • Dew Point Dew Point 20 °C
  • Clouds Clouds 59%
  • Feels Like Feels Like 29 °C
  • Visibility Visibility 20 km
  • Wind Wind - Average 12 km/h
  • Pressure Pressure 1013 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 31 km/h
  • Snowline Snowline 15420 ft
16:00 Scattered clouds 28° Scattered clouds
Feels Like 29°
Calm North 11 - 32 km/h
UV Index 4 Moderate SPF: 6-10
  • Rain Rain 10% 0 mm
  • Humidity Humidity 62%
  • Dew Point Dew Point 20 °C
  • Clouds Clouds 36%
  • Feels Like Feels Like 29 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 32 km/h
  • Snowline Snowline 15092 ft
Light rain 17:00 Light rain 30% 0.2 mm 27° Light rain
Feels Like 29°
Calm North 11 - 33 km/h
UV Index 2 Low SPF: no
Light rain 17:00 Light rain 30% 0.2 mm 27° Light rain
Feels Like 29°
Calm North 11 - 33 km/h
UV Index 2 Low SPF: no
  • Rain Rain 30% 0.2 mm
  • Humidity Humidity 61%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 28%
  • Feels Like Feels Like 29 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 11 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 33 km/h
  • Snowline Snowline 15092 ft
18:00 Sunny 27° Sunny
Feels Like 28°
Calm North 9 - 27 km/h
UV Index 1 Low SPF: no
  • Rain Rain 10% 0 mm
  • Humidity Humidity 60%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 5%
  • Feels Like Feels Like 28 °C
  • Visibility Visibility 40 km
  • Wind Wind - Average 9 km/h
  • Pressure Pressure 1014 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 27 km/h
  • Snowline Snowline 15092 ft
19:00 Sunny 26° Sunny
Feels Like 27°
Calm Northwest 7 - 22 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 68%
  • Dew Point Dew Point 20 °C
  • Clouds Clouds 8%
  • Feels Like Feels Like 27 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 22 km/h
  • Snowline Snowline 15420 ft
Sunny 20:00 Sunny 24° Sunny
Feels Like 24°
Calm Northwest 7 - 27 km/h
UV Index 0 Low SPF: no
Sunny 20:00 Sunny 24° Sunny
Feels Like 24°
Calm Northwest 7 - 27 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 75%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 4%
  • Feels Like Feels Like 24 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 7 km/h
  • Pressure Pressure 1015 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 27 km/h
  • Snowline Snowline 15420 ft
21:00 Clear 22° Clear
Feels Like 22°
Calm Northwest 4 - 18 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 86%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 1%
  • Feels Like Feels Like 22 °C
  • Visibility Visibility 35 km
  • Wind Wind - Average 4 km/h
  • Pressure Pressure 1016 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 18 km/h
  • Snowline Snowline 15092 ft
22:00 Clear 20° Clear
Feels Like 20°
Calm North 3 - 13 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 94%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 3%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 3 km/h
  • Pressure Pressure 1017 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 13 km/h
  • Snowline Snowline 15092 ft
Scattered clouds 23:00 Scattered clouds 20° Scattered clouds
Feels Like 20°
Calm North 2 - 18 km/h
UV Index 0 Low SPF: no
Scattered clouds 23:00 Scattered clouds 20° Scattered clouds
Feels Like 20°
Calm North 2 - 18 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 97%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 18%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1017 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 18 km/h
  • Snowline Snowline 15092 ft
24:00 Clear 20° Clear
Feels Like 20°
Calm North 2 - 11 km/h
UV Index 0 Low SPF: no
  • Rain Rain 0% 0 mm
  • Humidity Humidity 97%
  • Dew Point Dew Point 19 °C
  • Clouds Clouds 3%
  • Feels Like Feels Like 20 °C
  • Visibility Visibility 30 km
  • Wind Wind - Average 2 km/h
  • Pressure Pressure 1018 hPa
  • Fog Fog No
  • Wind - Gusts Wind - Gusts 11 km/h
  • Snowline Snowline 15092 ft

Sunrise and Sunset

Sunrise 05:58 Sunset 19:55
First light 05:27 Midday 12:57 Last light 20:26
Day length 13h 57m

Time remaining until sunrise 4h

Lunar calendar

Mon Tue Wed Thu Fri Sat Sun
14
Last Quarter 		15
Last Quarter 		16
Last Quarter 		17
Last Quarter
18
Last Quarter 		19
Last Quarter 		20
Last Quarter 		21
Last Quarter 		22
New Moon 		23
New Moon 		24
New Moon
25
First Quarter 		26
First Quarter 		27
First Quarter

Air quality in Williamstown today

Detail
45
Moderate O₃ (114 µg/m³)
  • Possible health risk.
  • Enjoy your usual outdoor activities if you do not experience symptoms.
  • Sensitive people should limit prolonged or intense outdoor activities.

Weather graphs
Maximum Minimum Rainfall

Videos

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