What is the weather in Williamstown right now?

Current weather in Williamstown is clear sky.

Where can I find the hourly weather forecast for Williamstown?

This page shows hourly weather forecast for Williamstown, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for Williamstown updated regularly?

Weather data for Williamstown is updated regularly with the latest available observations and forecasts.

Now · 1:56 PM

Williamstown Weather & Hourly Forecast

United States · Massachusetts · 01267

71°F

Sunny

Feels like: 70°F

💧 Humidity 52% 🌡 Pressure 30.21 inHg 💨 Wind 7 mph 👁 Visibility 6.2 mi ☁ Clouds 0% ☀️ UV index 7.2 · High 🌅 Sunrise 6:14 AM 🌇 Sunset 7:33 PM

Hourly Forecast for Williamstown

Today

2:00 PM

Sunny

71° 💧 None 💨 7 mph H 52%30.21 inHg

5:00 PM

Sunny

73° 💧 None 💨 8 mph H 47%30.18 inHg

8:00 PM

Partly cloudy night

65° 💧 None 💨 2 mph H 73%30.18 inHg

11:00 PM

Partly cloudy night

64° 💧 None 💨 3 mph H 80%30.18 inHg

Tomorrow

2:00 AM

Mostly cloudy night

61° 💧 None 💨 3 mph H 79%30.18 inHg

5:00 AM

Overcast night

61° 💧 None 💨 4 mph H 74%30.15 inHg

8:00 AM

Overcast

64° 💧 None 💨 4 mph H 70%30.15 inHg

11:00 AM

Mostly cloudy

74° 💧 0.00 in 💨 5 mph H 44%30.12 inHg

2:00 PM

Mostly cloudy

72° 💧 0.01 in 💨 4 mph H 76%30.06 inHg

5:00 PM

Overcast

69° 💧 0.05 in 💨 4 mph H 84%30.03 inHg

8:00 PM

Moderate rain

66° 💧 0.05 in 💨 7 mph H 98%30.06 inHg

11:00 PM

Overcast night

67° 💧 None 💨 3 mph H 99%30.06 inHg

Monday

2:00 AM

Overcast night

63° 💧 None 💨 3 mph H 99%30.06 inHg

5:00 AM

Overcast night

61° 💧 None 💨 2 mph H 99%30.09 inHg

8:00 AM

Overcast

62° 💧 None 💨 2 mph H 98%30.12 inHg

11:00 AM

Partly cloudy

72° 💧 None 💨 3 mph H 66%30.12 inHg

Today

2:00 PM

Sunny

71° 💧 None 💨 7 mph H 52%30.21 inHg

3:00 PM

Sunny

72° 💧 None 💨 6 mph H 51%30.21 inHg

4:00 PM

Sunny

73° 💧 None 💨 7 mph H 49%30.18 inHg

5:00 PM

Sunny

73° 💧 None 💨 8 mph H 47%30.18 inHg

6:00 PM

Mostly sunny

72° 💧 None 💨 4 mph H 57%30.15 inHg

7:00 PM

Partly cloudy

68° 💧 None 💨 2 mph H 70%30.15 inHg

8:00 PM

Partly cloudy night

65° 💧 None 💨 2 mph H 73%30.18 inHg

9:00 PM

Clear night

64° 💧 None 💨 3 mph H 75%30.21 inHg

10:00 PM

Partly cloudy night

64° 💧 None 💨 3 mph H 77%30.21 inHg

11:00 PM

Partly cloudy night

64° 💧 None 💨 3 mph H 80%30.18 inHg

Tomorrow

12:00 AM

Mostly cloudy night

64° 💧 None 💨 3 mph H 79%30.18 inHg

1:00 AM

Mostly cloudy night

63° 💧 None 💨 4 mph H 81%30.18 inHg

2:00 AM

Mostly cloudy night

61° 💧 None 💨 3 mph H 79%30.18 inHg

3:00 AM

Overcast night

61° 💧 None 💨 4 mph H 77%30.15 inHg

4:00 AM

Overcast night

60° 💧 None 💨 3 mph H 77%30.15 inHg

5:00 AM

Overcast night

61° 💧 None 💨 4 mph H 74%30.15 inHg

6:00 AM

Overcast night

61° 💧 None 💨 4 mph H 77%30.15 inHg

7:00 AM

Mostly cloudy

61° 💧 None 💨 4 mph H 77%30.18 inHg

8:00 AM

Overcast

64° 💧 None 💨 4 mph H 70%30.15 inHg

9:00 AM

Overcast

68° 💧 None 💨 5 mph H 60%30.15 inHg

10:00 AM

Overcast

71° 💧 None 💨 5 mph H 50%30.12 inHg

11:00 AM

Mostly cloudy

74° 💧 None 💨 5 mph H 44%30.12 inHg

12:00 PM

Light rain

74° 💧 0.00 in 💨 9 mph H 49%30.09 inHg

1:00 PM

Mostly cloudy

72° 💧 None 💨 6 mph H 65%30.09 inHg

2:00 PM

Mostly cloudy

72° 💧 None 💨 4 mph H 76%30.06 inHg

3:00 PM

Light rain

73° 💧 0.01 in 💨 2 mph H 79%30.06 inHg

4:00 PM

Overcast

69° 💧 None 💨 2 mph H 86%30.03 inHg

5:00 PM

Overcast

69° 💧 None 💨 4 mph H 84%30.03 inHg

6:00 PM

Light rain

68° 💧 0.00 in 💨 7 mph H 78%30.06 inHg

7:00 PM

Moderate rain

66° 💧 0.05 in 💨 10 mph H 97%30.09 inHg

8:00 PM

Moderate rain

66° 💧 0.05 in 💨 7 mph H 98%30.06 inHg

9:00 PM

Overcast night

66° 💧 None 💨 6 mph H 98%30.09 inHg

10:00 PM

Overcast night

66° 💧 None 💨 5 mph H 99%30.09 inHg

11:00 PM

Overcast night

67° 💧 None 💨 3 mph H 99%30.06 inHg

Monday

12:00 AM

Overcast night

67° 💧 None 💨 4 mph H 99%30.06 inHg

1:00 AM

Overcast night

66° 💧 None 💨 4 mph H 99%30.09 inHg

2:00 AM

Overcast night

63° 💧 None 💨 3 mph H 99%30.06 inHg

3:00 AM

Overcast night

60° 💧 None 💨 3 mph H 99%30.06 inHg

4:00 AM

Overcast night

60° 💧 None 💨 2 mph H 99%30.09 inHg

5:00 AM

Overcast night

61° 💧 None 💨 2 mph H 99%30.09 inHg

6:00 AM

Overcast night

61° 💧 None 💨 2 mph H 99%30.09 inHg

7:00 AM

Overcast

60° 💧 None 💨 2 mph H 99%30.12 inHg

8:00 AM

Overcast

62° 💧 None 💨 2 mph H 98%30.12 inHg

9:00 AM

Partly cloudy

65° 💧 None 💨 2 mph H 93%30.12 inHg

10:00 AM

Mostly cloudy

68° 💧 None 💨 2 mph H 80%30.12 inHg

11:00 AM

Partly cloudy

72° 💧 None 💨 3 mph H 66%30.12 inHg

12:00 PM

Mostly cloudy

76° 💧 None 💨 3 mph H 57%30.12 inHg

1:00 PM

Mostly cloudy

78° 💧 None 💨 3 mph H 52%30.09 inHg

2:00 PM

Mostly cloudy

79° 💧 None 💨 4 mph H 49%30.06 inHg

3:00 PM

Mostly sunny

79° 💧 None 💨 6 mph H 49%30.06 inHg

4:00 PM

Sunny

78° 💧 None 💨 7 mph H 52%30.03 inHg

5:00 PM

Sunny

77° 💧 None 💨 6 mph H 56%30.03 inHg

6:00 PM

Sunny

74° 💧 None 💨 4 mph H 68%30.03 inHg

7:00 PM

Sunny

69° 💧 None 💨 1 mph H 81%30.06 inHg

8:00 PM

Mostly clear night

65° 💧 None 💨 1 mph H 87%30.06 inHg

9:00 PM

Mostly clear night

64° 💧 None 💨 2 mph H 88%30.06 inHg

10:00 PM

Partly cloudy night

65° 💧 None 💨 2 mph H 85%30.06 inHg

11:00 PM

Mostly cloudy night

65° 💧 None 💨 2 mph H 87%30.06 inHg

Tuesday

12:00 AM

Mostly cloudy night

66° 💧 None 💨 2 mph H 83%30.06 inHg

1:00 AM

Mostly cloudy night

66° 💧 None 💨 2 mph H 84%30.06 inHg

2:00 AM

Mostly cloudy night

65° 💧 None 💨 2 mph H 88%30.06 inHg

3:00 AM

Overcast night

66° 💧 None 💨 2 mph H 87%30.03 inHg

4:00 AM

Overcast night

65° 💧 None 💨 2 mph H 90%30.03 inHg

5:00 AM

Overcast night

65° 💧 None 💨 2 mph H 90%30.03 inHg

6:00 AM

Overcast night

65° 💧 None 💨 3 mph H 91%30.00 inHg

7:00 AM

Moderate rain

64° 💧 0.05 in 💨 4 mph H 98%30.00 inHg

8:00 AM

Light rain

64° 💧 0.01 in 💨 4 mph H 99%29.97 inHg

9:00 AM

Moderate rain

65° 💧 0.05 in 💨 3 mph H 99%29.97 inHg

10:00 AM

Overcast

66° 💧 None 💨 3 mph H 99%29.97 inHg

11:00 AM

Heavy rain

66° 💧 0.22 in 💨 2 mph H 100%29.97 inHg

12:00 PM

Moderate rain

67° 💧 0.07 in 💨 1 mph H 100%29.94 inHg

1:00 PM

Light rain

67° 💧 0.02 in 💨 1 mph H 100%29.94 inHg

2:00 PM

Light rain

68° 💧 0.03 in 💨 1 mph H 100%29.94 inHg

3:00 PM

Moderate rain

68° 💧 0.04 in 💨 2 mph H 100%29.94 inHg

4:00 PM

Light rain

68° 💧 0.03 in 💨 2 mph H 100%29.94 inHg

5:00 PM

Light rain

68° 💧 0.01 in 💨 2 mph H 100%29.94 inHg

6:00 PM

Overcast

67° 💧 None 💨 3 mph H 100%29.94 inHg

7:00 PM

Overcast

66° 💧 None 💨 3 mph H 99%29.97 inHg

8:00 PM

Overcast night

64° 💧 None 💨 4 mph H 99%30.00 inHg

9:00 PM

Overcast night

63° 💧 None 💨 4 mph H 99%30.03 inHg

10:00 PM

Overcast night

62° 💧 None 💨 4 mph H 99%30.03 inHg

11:00 PM

Overcast night

61° 💧 None 💨 4 mph H 99%30.03 inHg

Wednesday

12:00 AM

Overcast night

61° 💧 None 💨 4 mph H 99%30.03 inHg

1:00 AM

Overcast night

61° 💧 None 💨 5 mph H 99%30.03 inHg

2:00 AM

Overcast night

60° 💧 None 💨 4 mph H 99%30.03 inHg

3:00 AM

Overcast night

60° 💧 None 💨 4 mph H 99%30.03 inHg

4:00 AM

Overcast night

60° 💧 None 💨 5 mph H 99%30.06 inHg

5:00 AM

Overcast night

59° 💧 None 💨 5 mph H 99%30.06 inHg

6:00 AM

Overcast night

59° 💧 None 💨 5 mph H 99%30.06 inHg

7:00 AM

Overcast

59° 💧 None 💨 5 mph H 98%30.09 inHg

8:00 AM

Overcast

60° 💧 None 💨 5 mph H 97%30.09 inHg

9:00 AM

Overcast

61° 💧 None 💨 5 mph H 93%30.09 inHg

10:00 AM

Overcast

62° 💧 None 💨 6 mph H 90%30.09 inHg

11:00 AM

Overcast

65° 💧 None 💨 4 mph H 81%30.09 inHg

12:00 PM

Overcast

64° 💧 None 💨 4 mph H 82%30.09 inHg

1:00 PM

Overcast

65° 💧 None 💨 5 mph H 82%30.09 inHg

In Williamstown and, more broadly, across the state of Massachusetts: The rest of the day will feature clear skies with mild to warm temperatures ranging from 67 to 80 degrees Fahrenheit. Light northwest winds at around 7 mph will occasionally gust up to 8 mph, contributing to a comfortable and stable atmosphere. No precipitation is expected, making for a dry and pleasant afternoon. Overall, conditions will remain calm and clear, ideal for outdoor activities. Temperatures will gradually ease into the evening, remaining mild without significant change.

15-Day Weather Outlook for Williamstown

TomorrowTomorrow

Moderate rain 74°/60° 💧 0.11 in 💨 10 mph

Monday, Aug 31Mon Aug 31

Mostly cloudy 79°/60° 💧 None 💨 7 mph

Tuesday, Sep 1Tue Sep 1

Heavy rain 68°/61° 💧 0.53 in 💨 4 mph

Wednesday, Sep 2Wed Sep 2

Light rain 66°/59° 💧 0.05 in 💨 5 mph

Thursday, Sep 3Thu Sep 3

Light rain 64°/60° 💧 0.36 in 💨 5 mph

Friday, Sep 4Fri Sep 4

Light rain 69°/60° 💧 0.05 in 💨 5 mph

Saturday, Sep 5Sat Sep 5

Light rain 78°/59° 💧 0.03 in 💨 9 mph

Sunday, Sep 6Sun Sep 6

Mostly cloudy 78°/54° 💧 None 💨 5 mph

Monday, Sep 7Mon Sep 7

Overcast 66°/58° 💧 None 💨 5 mph

Tuesday, Sep 8Tue Sep 8

Light rain 82°/63° 💧 0.14 in 💨 6 mph

Wednesday, Sep 9Wed Sep 9

Light rain 92°/72° 💧 0.05 in 💨 10 mph

Thursday, Sep 10Thu Sep 10

Light rain 81°/61° 💧 0.02 in 💨 16 mph

Friday, Sep 11Fri Sep 11

Mostly sunny 68°/52° 💧 None 💨 11 mph

Saturday, Sep 12Sat Sep 12

Sunny 74°/50° 💧 None 💨 6 mph

Sunday, Sep 13Sun Sep 13

Overcast 66°/47° 💧 None 💨 12 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Williamstown

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Williamstown

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 1,1µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 1,2µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Fair 76,5µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,7µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in Williamstown

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.

0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme

Today UV 7,2High 🙂Fair

Tomorrow UV 6,1High 🙂Fair

Monday UV 6,8High 😐Moderate

Tuesday UV 3,2Moderate 😐Moderate

Wednesday UV 5,0Moderate 🙂Fair

Thursday UV 5,0Moderate —Unavailable

Friday UV 6,0High —Unavailable

Hourly UV index today

2:00 PMUV 6,5 3:00 PMUV 5,0 4:00 PMUV 3,2 5:00 PMUV 1,6 6:00 PMUV 0,5 7:00 PMUV 0,0

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for Williamstown

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.82 Population: 5,070

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Forecast data for Williamstown were last refreshed today at 1:56 PM. The current forecast period extends through 31/08/2026 at 11:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.