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Current weather in Williamstown is overcast clouds.

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 · 2:12 PM

Williamstown Weather & Hourly Forecast

United States · Vermont · 05679

72°F

Overcast

Feels like: 72°F

💧 Humidity 81% 🌡 Pressure 29.88 inHg 💨 Wind 3 mph 👁 Visibility 6.2 mi ☁ Clouds 98% ☀️ UV index 3.5 · Moderate 🌅 Sunrise 6:15 AM 🌇 Sunset 7:23 PM

Hourly Forecast for Williamstown

Today

3:00 PM

Overcast

71° 💧 None 💨 4 mph H 78%29.88 inHg

6:00 PM

Partly cloudy

71° 💧 None 💨 9 mph H 61%29.85 inHg

9:00 PM

Mostly clear night

64° 💧 None 💨 2 mph H 78%29.88 inHg

Tomorrow

12:00 AM

Mostly clear night

61° 💧 None 💨 1 mph H 93%29.88 inHg

3:00 AM

Overcast night

61° 💧 None 💨 0 mph H 84%29.85 inHg

6:00 AM

Mostly cloudy night

57° 💧 None 💨 2 mph H 94%29.85 inHg

9:00 AM

Sunny

68° 💧 None 💨 3 mph H 71%29.85 inHg

12:00 PM

Sunny

72° 💧 None 💨 8 mph H 43%29.83 inHg

3:00 PM

Overcast

70° 💧 None 💨 8 mph H 56%29.80 inHg

6:00 PM

Overcast

66° 💧 None 💨 7 mph H 73%29.80 inHg

9:00 PM

Clear night

57° 💧 None 💨 3 mph H 96%29.85 inHg

Saturday

12:00 AM

Clear night

56° 💧 None 💨 2 mph H 97%29.83 inHg

3:00 AM

Clear night

53° 💧 None 💨 3 mph H 98%29.83 inHg

6:00 AM

Clear night

52° 💧 None 💨 3 mph H 99%29.85 inHg

9:00 AM

Overcast

56° 💧 None 💨 5 mph H 98%29.88 inHg

12:00 PM

Overcast

61° 💧 0.02 in 💨 6 mph H 78%29.88 inHg

Today

3:00 PM

Overcast

71° 💧 None 💨 4 mph H 78%29.88 inHg

4:00 PM

Mostly cloudy

71° 💧 None 💨 8 mph H 71%29.88 inHg

5:00 PM

Mostly cloudy

72° 💧 None 💨 9 mph H 64%29.85 inHg

6:00 PM

Partly cloudy

71° 💧 None 💨 9 mph H 61%29.85 inHg

7:00 PM

Partly cloudy

67° 💧 None 💨 6 mph H 58%29.85 inHg

8:00 PM

Partly cloudy night

65° 💧 None 💨 4 mph H 69%29.85 inHg

9:00 PM

Mostly clear night

64° 💧 None 💨 2 mph H 78%29.88 inHg

10:00 PM

Partly cloudy night

62° 💧 None 💨 1 mph H 84%29.88 inHg

11:00 PM

Mostly clear night

61° 💧 None 💨 1 mph H 92%29.88 inHg

Tomorrow

12:00 AM

Mostly clear night

61° 💧 None 💨 1 mph H 93%29.88 inHg

1:00 AM

Partly cloudy night

62° 💧 None 💨 2 mph H 89%29.88 inHg

2:00 AM

Partly cloudy night

61° 💧 None 💨 2 mph H 87%29.88 inHg

3:00 AM

Overcast night

61° 💧 None 💨 0 mph H 84%29.85 inHg

4:00 AM

Mostly cloudy night

60° 💧 None 💨 1 mph H 84%29.85 inHg

5:00 AM

Mostly cloudy night

58° 💧 None 💨 2 mph H 90%29.85 inHg

6:00 AM

Mostly cloudy night

57° 💧 None 💨 2 mph H 94%29.85 inHg

7:00 AM

Partly cloudy

58° 💧 None 💨 2 mph H 92%29.85 inHg

8:00 AM

Partly cloudy

63° 💧 None 💨 1 mph H 81%29.85 inHg

9:00 AM

Sunny

68° 💧 None 💨 3 mph H 71%29.85 inHg

10:00 AM

Sunny

71° 💧 None 💨 5 mph H 54%29.85 inHg

11:00 AM

Sunny

72° 💧 None 💨 6 mph H 46%29.85 inHg

12:00 PM

Sunny

72° 💧 None 💨 8 mph H 43%29.83 inHg

1:00 PM

Mostly sunny

73° 💧 None 💨 9 mph H 42%29.83 inHg

2:00 PM

Mostly sunny

72° 💧 None 💨 9 mph H 43%29.80 inHg

3:00 PM

Overcast

70° 💧 None 💨 8 mph H 56%29.80 inHg

4:00 PM

Overcast

70° 💧 None 💨 7 mph H 52%29.80 inHg

5:00 PM

Overcast

68° 💧 None 💨 9 mph H 59%29.80 inHg

6:00 PM

Overcast

66° 💧 None 💨 7 mph H 73%29.80 inHg

7:00 PM

Overcast

62° 💧 None 💨 6 mph H 74%29.83 inHg

8:00 PM

Mostly cloudy night

59° 💧 None 💨 4 mph H 87%29.85 inHg

9:00 PM

Clear night

57° 💧 None 💨 3 mph H 96%29.85 inHg

10:00 PM

Clear night

56° 💧 None 💨 3 mph H 97%29.85 inHg

11:00 PM

Clear night

56° 💧 None 💨 2 mph H 97%29.85 inHg

Saturday

12:00 AM

Clear night

56° 💧 None 💨 2 mph H 97%29.83 inHg

1:00 AM

Clear night

56° 💧 None 💨 2 mph H 97%29.83 inHg

2:00 AM

Clear night

54° 💧 None 💨 3 mph H 97%29.83 inHg

3:00 AM

Clear night

53° 💧 None 💨 3 mph H 98%29.83 inHg

4:00 AM

Clear night

52° 💧 None 💨 3 mph H 98%29.83 inHg

5:00 AM

Clear night

52° 💧 None 💨 3 mph H 99%29.85 inHg

6:00 AM

Clear night

52° 💧 None 💨 3 mph H 99%29.85 inHg

7:00 AM

Mostly sunny

53° 💧 None 💨 2 mph H 99%29.85 inHg

8:00 AM

Partly cloudy

56° 💧 None 💨 3 mph H 96%29.85 inHg

9:00 AM

Overcast

56° 💧 None 💨 5 mph H 98%29.88 inHg

10:00 AM

Overcast

57° 💧 None 💨 6 mph H 95%29.88 inHg

11:00 AM

Overcast

59° 💧 None 💨 6 mph H 87%29.88 inHg

12:00 PM

Overcast

61° 💧 None 💨 6 mph H 78%29.88 inHg

1:00 PM

Light rain

67° 💧 0.00 in 💨 8 mph H 63%29.85 inHg

2:00 PM

Light rain

63° 💧 0.01 in 💨 8 mph H 79%29.88 inHg

3:00 PM

Light rain

61° 💧 0.02 in 💨 8 mph H 86%29.88 inHg

4:00 PM

Light rain

61° 💧 0.01 in 💨 7 mph H 85%29.88 inHg

5:00 PM

Light rain

63° 💧 0.01 in 💨 8 mph H 81%29.88 inHg

6:00 PM

Light rain

59° 💧 0.02 in 💨 7 mph H 93%29.91 inHg

7:00 PM

Light rain

57° 💧 0.01 in 💨 7 mph H 96%29.94 inHg

8:00 PM

Mostly cloudy night

54° 💧 None 💨 7 mph H 98%29.97 inHg

9:00 PM

Mostly cloudy night

52° 💧 None 💨 7 mph H 97%29.97 inHg

10:00 PM

Mostly cloudy night

51° 💧 None 💨 6 mph H 98%30.00 inHg

11:00 PM

Mostly cloudy night

51° 💧 None 💨 6 mph H 97%30.00 inHg

Sunday

12:00 AM

Overcast night

52° 💧 None 💨 6 mph H 97%30.00 inHg

1:00 AM

Overcast night

52° 💧 None 💨 5 mph H 97%30.00 inHg

2:00 AM

Overcast night

52° 💧 None 💨 4 mph H 97%30.00 inHg

3:00 AM

Overcast night

52° 💧 None 💨 5 mph H 98%30.03 inHg

4:00 AM

Overcast night

52° 💧 None 💨 5 mph H 97%30.03 inHg

5:00 AM

Overcast night

52° 💧 None 💨 6 mph H 93%30.06 inHg

6:00 AM

Overcast night

52° 💧 None 💨 7 mph H 89%30.06 inHg

7:00 AM

Overcast

52° 💧 None 💨 7 mph H 87%30.06 inHg

8:00 AM

Overcast

53° 💧 None 💨 7 mph H 83%30.09 inHg

9:00 AM

Partly cloudy

56° 💧 None 💨 8 mph H 67%30.09 inHg

10:00 AM

Mostly sunny

61° 💧 None 💨 9 mph H 54%30.09 inHg

11:00 AM

Mostly sunny

63° 💧 None 💨 10 mph H 46%30.09 inHg

12:00 PM

Sunny

65° 💧 None 💨 11 mph H 42%30.06 inHg

1:00 PM

Mostly sunny

67° 💧 None 💨 11 mph H 40%30.06 inHg

2:00 PM

Mostly sunny

68° 💧 None 💨 11 mph H 37%30.06 inHg

3:00 PM

Overcast

69° 💧 None 💨 11 mph H 37%30.03 inHg

4:00 PM

Overcast

67° 💧 None 💨 11 mph H 40%30.03 inHg

5:00 PM

Overcast

67° 💧 None 💨 9 mph H 43%30.06 inHg

6:00 PM

Mostly cloudy

64° 💧 None 💨 7 mph H 51%30.06 inHg

7:00 PM

Mostly cloudy

58° 💧 None 💨 6 mph H 65%30.09 inHg

8:00 PM

Mostly cloudy night

56° 💧 None 💨 5 mph H 70%30.12 inHg

9:00 PM

Mostly clear night

52° 💧 None 💨 3 mph H 82%30.15 inHg

10:00 PM

Mostly clear night

50° 💧 None 💨 3 mph H 87%30.15 inHg

11:00 PM

Clear night

49° 💧 None 💨 2 mph H 89%30.15 inHg

Monday

12:00 AM

Clear night

48° 💧 None 💨 3 mph H 89%30.15 inHg

1:00 AM

Clear night

48° 💧 None 💨 2 mph H 88%30.15 inHg

2:00 AM

Clear night

47° 💧 None 💨 2 mph H 88%30.15 inHg

3:00 AM

Clear night

47° 💧 None 💨 2 mph H 91%30.15 inHg

4:00 AM

Clear night

47° 💧 None 💨 2 mph H 93%30.15 inHg

5:00 AM

Clear night

47° 💧 None 💨 2 mph H 94%30.18 inHg

6:00 AM

Clear night

46° 💧 None 💨 1 mph H 94%30.18 inHg

7:00 AM

Sunny

48° 💧 None 💨 1 mph H 92%30.18 inHg

8:00 AM

Mostly sunny

54° 💧 None 💨 1 mph H 78%30.18 inHg

9:00 AM

Mostly sunny

61° 💧 None 💨 2 mph H 63%30.18 inHg

10:00 AM

Mostly sunny

66° 💧 None 💨 4 mph H 52%30.18 inHg

11:00 AM

Mostly sunny

70° 💧 None 💨 7 mph H 44%30.15 inHg

12:00 PM

Sunny

72° 💧 None 💨 9 mph H 39%30.15 inHg

1:00 PM

Sunny

73° 💧 None 💨 11 mph H 38%30.12 inHg

In Williamstown and, more broadly, across the state of Vermont: The rest of the day will feature a mix of sun and clouds, with mild temperatures ranging from 60 to 68 degrees Fahrenheit. There is a slight chance of light rain, with total accumulation around 0.01 inches, and the probability of precipitation reaching 20 percent. Winds will generally be light from the northwest, maximum sustained speeds around 8 mph, with gusts reaching up to 19 mph. Overall, expect a mild afternoon with occasional cloud cover and gentle breezes.

15-Day Weather Outlook for Williamstown

TomorrowTomorrow

Sunny 73°/56° 💧 None 💨 9 mph

Saturday, Sep 5Sat Sep 5

Light rain 67°/51° 💧 0.08 in 💨 8 mph

Sunday, Sep 6Sun Sep 6

Mostly sunny 68°/49° 💧 None 💨 11 mph

Monday, Sep 7Mon Sep 7

Mostly sunny 73°/47° 💧 None 💨 11 mph

Tuesday, Sep 8Tue Sep 8

Sunny 72°/51° 💧 None 💨 6 mph

Wednesday, Sep 9Wed Sep 9

Light rain 65°/49° 💧 0.04 in 💨 5 mph

Thursday, Sep 10Thu Sep 10

Moderate rain 75°/57° 💧 0.42 in 💨 16 mph

Friday, Sep 11Fri Sep 11

Light rain 56°/51° 💧 0.04 in 💨 10 mph

Saturday, Sep 12Sat Sep 12

Light rain 66°/46° 💧 0.00 in 💨 9 mph

Sunday, Sep 13Sun Sep 13

Light rain 73°/47° 💧 0.03 in 💨 5 mph

Monday, Sep 14Mon Sep 14

Light rain 64°/56° 💧 0.25 in 💨 4 mph

Tuesday, Sep 15Tue Sep 15

Light rain 71°/56° 💧 0.20 in 💨 18 mph

Wednesday, Sep 16Wed Sep 16

Light rain 63°/45° 💧 0.08 in 💨 15 mph

Thursday, Sep 17Thu Sep 17

Light rain 47°/40° 💧 0.03 in 💨 9 mph

Friday, Sep 18Fri Sep 18

Sunny 56°/35° 💧 None 💨 13 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 3:00 PM

PM2.5 Fine particles Good 2,6µg/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 2,6µg/m³

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

O₃ Ozone Fair 74,7µg/m³

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

NO₂ Nitrogen dioxide Good 1,5µg/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 5,5Moderate 🙂Fair

Tomorrow UV 6,4High 🙂Fair

Saturday UV 4,3Moderate 😊Good

Sunday UV 5,6Moderate 😊Good

Monday UV 6,0High 🙂Fair

Tuesday UV 6,0High —Unavailable

Wednesday UV 4,0Moderate —Unavailable

Hourly UV index today

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

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

Moderate UV risk

Sunglasses and sun protection are recommended for prolonged exposure.

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: 3.68 Population: 1,660

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Forecast data for Williamstown were last refreshed today at 1:40 PM. The current forecast period extends through 05/09/2026 at 12:00 PM. 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.