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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 · 4:29 PM

Williamstown Weather & Hourly Forecast

United States · Vermont · 05679

65°F

Sunny

Feels like: 59°F

💧 Humidity 50% 🌡 Pressure 29.97 inHg 💨 Wind 9 mph 👁 Visibility 34.1 mi ☁ Clouds 4% ☀️ UV index 2.3 · Low 🌅 Sunrise — 🌇 Sunset —

Hourly Forecast for Williamstown

Today

5:00 PM

Sunny

64° 💧 None 💨 9 mph H 53%29.97 inHg

8:00 PM

Clear night

55° 💧 None 💨 5 mph H 82%30.03 inHg

11:00 PM

Clear night

54° 💧 None 💨 6 mph H 85%30.03 inHg

Tomorrow

2:00 AM

Mostly clear night

53° 💧 None 💨 6 mph H 87%30.03 inHg

5:00 AM

Clear night

52° 💧 None 💨 5 mph H 90%30.06 inHg

8:00 AM

Sunny

58° 💧 None 💨 7 mph H 79%30.09 inHg

11:00 AM

Sunny

67° 💧 None 💨 10 mph H 57%30.09 inHg

2:00 PM

Sunny

71° 💧 None 💨 11 mph H 42%30.09 inHg

5:00 PM

Partly cloudy

69° 💧 None 💨 11 mph H 49%30.12 inHg

8:00 PM

Mostly clear night

60° 💧 None 💨 5 mph H 71%30.15 inHg

11:00 PM

Mostly cloudy night

57° 💧 None 💨 4 mph H 75%30.15 inHg

Tuesday

2:00 AM

Mostly cloudy night

55° 💧 None 💨 4 mph H 79%30.15 inHg

5:00 AM

Mostly cloudy night

54° 💧 None 💨 4 mph H 83%30.15 inHg

8:00 AM

Partly cloudy

61° 💧 0.001 in 💨 7 mph H 77%30.21 inHg

11:00 AM

Overcast

65° 💧 0.007 in 💨 8 mph H 73%30.24 inHg

2:00 PM

Overcast

70° 💧 None 💨 8 mph H 57%30.21 inHg

Today

5:00 PM

Sunny

64° 💧 None 💨 9 mph H 53%29.97 inHg

6:00 PM

Sunny

62° 💧 None 💨 9 mph H 61%30.00 inHg

7:00 PM

Sunny

59° 💧 None 💨 7 mph H 71%30.00 inHg

8:00 PM

Clear night

55° 💧 None 💨 5 mph H 82%30.03 inHg

9:00 PM

Clear night

54° 💧 None 💨 4 mph H 84%30.03 inHg

10:00 PM

Clear night

54° 💧 None 💨 5 mph H 84%30.03 inHg

11:00 PM

Clear night

54° 💧 None 💨 6 mph H 85%30.03 inHg

Tomorrow

12:00 AM

Clear night

54° 💧 None 💨 6 mph H 85%30.03 inHg

1:00 AM

Clear night

54° 💧 None 💨 7 mph H 86%30.03 inHg

2:00 AM

Mostly clear night

53° 💧 None 💨 6 mph H 87%30.03 inHg

3:00 AM

Clear night

54° 💧 None 💨 6 mph H 87%30.03 inHg

4:00 AM

Clear night

53° 💧 None 💨 5 mph H 88%30.03 inHg

5:00 AM

Clear night

52° 💧 None 💨 5 mph H 90%30.06 inHg

6:00 AM

Clear night

52° 💧 None 💨 7 mph H 90%30.06 inHg

7:00 AM

Sunny

54° 💧 None 💨 8 mph H 88%30.09 inHg

8:00 AM

Sunny

58° 💧 None 💨 7 mph H 79%30.09 inHg

9:00 AM

Sunny

61° 💧 None 💨 10 mph H 71%30.09 inHg

10:00 AM

Sunny

64° 💧 None 💨 9 mph H 63%30.09 inHg

11:00 AM

Sunny

67° 💧 None 💨 10 mph H 57%30.09 inHg

12:00 PM

Sunny

69° 💧 None 💨 11 mph H 51%30.09 inHg

1:00 PM

Sunny

70° 💧 None 💨 12 mph H 45%30.09 inHg

2:00 PM

Sunny

71° 💧 None 💨 11 mph H 42%30.09 inHg

3:00 PM

Mostly sunny

71° 💧 None 💨 10 mph H 43%30.09 inHg

4:00 PM

Partly cloudy

71° 💧 None 💨 11 mph H 42%30.09 inHg

5:00 PM

Partly cloudy

69° 💧 None 💨 11 mph H 49%30.12 inHg

6:00 PM

Sunny

67° 💧 None 💨 7 mph H 56%30.12 inHg

7:00 PM

Sunny

63° 💧 None 💨 5 mph H 67%30.12 inHg

8:00 PM

Mostly clear night

60° 💧 None 💨 5 mph H 71%30.15 inHg

9:00 PM

Clear night

59° 💧 None 💨 4 mph H 72%30.15 inHg

10:00 PM

Mostly clear night

58° 💧 None 💨 4 mph H 72%30.15 inHg

11:00 PM

Mostly cloudy night

57° 💧 None 💨 4 mph H 75%30.15 inHg

Tuesday

12:00 AM

Mostly cloudy night

57° 💧 None 💨 5 mph H 76%30.15 inHg

1:00 AM

Overcast night

56° 💧 None 💨 4 mph H 77%30.15 inHg

2:00 AM

Mostly cloudy night

55° 💧 None 💨 4 mph H 79%30.15 inHg

3:00 AM

Mostly cloudy night

55° 💧 None 💨 3 mph H 81%30.15 inHg

4:00 AM

Mostly cloudy night

54° 💧 None 💨 3 mph H 82%30.15 inHg

5:00 AM

Mostly cloudy night

54° 💧 None 💨 4 mph H 83%30.15 inHg

6:00 AM

Mostly cloudy night

55° 💧 None 💨 6 mph H 80%30.18 inHg

7:00 AM

Mostly cloudy

57° 💧 None 💨 7 mph H 80%30.21 inHg

8:00 AM

Partly cloudy

61° 💧 0.000 in 💨 7 mph H 77%30.21 inHg

9:00 AM

Mostly cloudy

63° 💧 None 💨 8 mph H 76%30.21 inHg

10:00 AM

Overcast

64° 💧 0.000 in 💨 8 mph H 75%30.21 inHg

11:00 AM

Overcast

65° 💧 0.002 in 💨 8 mph H 73%30.24 inHg

12:00 PM

Light rain

67° 💧 0.004 in 💨 9 mph H 67%30.21 inHg

1:00 PM

Mostly cloudy

69° 💧 0.001 in 💨 9 mph H 59%30.21 inHg

2:00 PM

Overcast

70° 💧 None 💨 8 mph H 57%30.21 inHg

3:00 PM

Mostly cloudy

70° 💧 None 💨 7 mph H 52%30.21 inHg

4:00 PM

Overcast

70° 💧 None 💨 7 mph H 50%30.21 inHg

5:00 PM

Overcast

69° 💧 None 💨 6 mph H 51%30.21 inHg

6:00 PM

Overcast

67° 💧 None 💨 5 mph H 58%30.21 inHg

7:00 PM

Overcast

62° 💧 None 💨 3 mph H 72%30.21 inHg

8:00 PM

Overcast night

60° 💧 None 💨 3 mph H 75%30.21 inHg

9:00 PM

Overcast night

59° 💧 None 💨 1 mph H 76%30.24 inHg

10:00 PM

Overcast night

57° 💧 None 💨 1 mph H 78%30.24 inHg

11:00 PM

Overcast night

56° 💧 None 💨 1 mph H 79%30.24 inHg

Wednesday

12:00 AM

Overcast night

57° 💧 None 💨 0 mph H 79%30.24 inHg

1:00 AM

Overcast night

56° 💧 None 💨 1 mph H 79%30.24 inHg

2:00 AM

Overcast night

56° 💧 None 💨 2 mph H 82%30.21 inHg

3:00 AM

Overcast night

56° 💧 None 💨 3 mph H 82%30.21 inHg

4:00 AM

Overcast night

56° 💧 None 💨 4 mph H 81%30.21 inHg

5:00 AM

Overcast night

56° 💧 None 💨 4 mph H 78%30.21 inHg

6:00 AM

Mostly cloudy night

57° 💧 None 💨 6 mph H 73%30.21 inHg

7:00 AM

Overcast

58° 💧 None 💨 7 mph H 71%30.21 inHg

8:00 AM

Overcast

59° 💧 None 💨 7 mph H 69%30.21 inHg

11:00 AM

Overcast

63° 💧 None 💨 7 mph H 72%30.15 inHg

2:00 PM

Overcast

72° 💧 None 💨 11 mph H 65%30.06 inHg

5:00 PM

Light rain

70° 💧 None 💨 7 mph H 78%30.00 inHg

8:00 PM

Light rain

65° 💧 None 💨 10 mph H 94%29.91 inHg

11:00 PM

Moderate rain

64° 💧 None 💨 9 mph H 98%29.85 inHg

Thursday

2:00 AM

Light rain

64° 💧 None 💨 10 mph H 97%29.77 inHg

5:00 AM

Overcast night

64° 💧 None 💨 8 mph H 98%29.77 inHg

8:00 AM

Mostly cloudy

66° 💧 None 💨 8 mph H 98%29.77 inHg

11:00 AM

Light rain

70° 💧 None 💨 9 mph H 80%29.77 inHg

2:00 PM

Mostly cloudy

73° 💧 None 💨 11 mph H 64%29.71 inHg

5:00 PM

Mostly cloudy

70° 💧 None 💨 10 mph H 62%29.68 inHg

8:00 PM

Overcast night

64° 💧 None 💨 6 mph H 71%29.71 inHg

11:00 PM

Mostly cloudy night

61° 💧 None 💨 7 mph H 87%29.74 inHg

Friday

2:00 AM

Mostly clear night

59° 💧 None 💨 8 mph H 87%29.77 inHg

5:00 AM

Mostly clear night

56° 💧 None 💨 9 mph H 90%29.80 inHg

8:00 AM

Mostly sunny

55° 💧 None 💨 9 mph H 80%29.85 inHg

11:00 AM

Mostly cloudy

58° 💧 None 💨 10 mph H 63%29.91 inHg

2:00 PM

Partly cloudy

61° 💧 None 💨 10 mph H 55%29.88 inHg

5:00 PM

Sunny

60° 💧 None 💨 9 mph H 59%29.91 inHg

8:00 PM

Clear night

51° 💧 None 💨 6 mph H 78%29.97 inHg

11:00 PM

Clear night

49° 💧 None 💨 4 mph H 84%30.03 inHg

Saturday

2:00 AM

Clear night

48° 💧 None 💨 2 mph H 83%30.06 inHg

5:00 AM

Clear night

46° 💧 None 💨 2 mph H 84%30.06 inHg

8:00 AM

Partly cloudy

51° 💧 None 💨 3 mph H 83%30.12 inHg

2:00 PM

Sunny

67° 💧 None 💨 9 mph H 48%30.06 inHg

8:00 PM

Clear night

60° 💧 None 💨 10 mph H 63%30.06 inHg

Sunday

2:00 AM

Partly cloudy night

54° 💧 None 💨 7 mph H 92%30.06 inHg

8:00 AM

Overcast

56° 💧 None 💨 5 mph H 98%30.06 inHg

2:00 PM

Light rain

76° 💧 None 💨 10 mph H 58%29.97 inHg

8:00 PM

Mostly cloudy night

65° 💧 None 💨 5 mph H 83%29.97 inHg

Monday

2:00 AM

Overcast night

58° 💧 None 💨 3 mph H 89%30.03 inHg

8:00 AM

Sunny

58° 💧 None 💨 6 mph H 87%30.12 inHg

2:00 PM

Mostly sunny

68° 💧 None 💨 9 mph H 52%30.12 inHg

8:00 PM

Clear night

56° 💧 None 💨 6 mph H 75%30.18 inHg

Tuesday

2:00 AM

Partly cloudy night

49° 💧 None 💨 3 mph H 89%30.24 inHg

8:00 AM

Sunny

54° 💧 None 💨 8 mph H 83%30.27 inHg

2:00 PM

Mostly cloudy

68° 💧 None 💨 13 mph H 63%30.15 inHg

8:00 PM

Mostly clear night

68° 💧 None 💨 12 mph H 82%30.06 inHg

Wednesday

2:00 AM

Overcast night

65° 💧 None 💨 8 mph H 94%30.06 inHg

8:00 AM

Mostly sunny

58° 💧 None 💨 11 mph H 96%30.18 inHg

2:00 PM

Sunny

66° 💧 None 💨 10 mph H 50%30.24 inHg

8:00 PM

Clear night

55° 💧 None 💨 7 mph H 77%30.30 inHg

Thursday

2:00 AM

Mostly clear night

50° 💧 None 💨 6 mph H 93%30.33 inHg

8:00 AM

Sunny

52° 💧 None 💨 4 mph H 82%30.39 inHg

2:00 PM

Partly cloudy

66° 💧 None 💨 5 mph H 48%30.30 inHg

8:00 PM

Overcast night

57° 💧 None 💨 7 mph H 72%30.24 inHg

Friday

2:00 AM

Overcast night

51° 💧 None 💨 4 mph H 86%30.15 inHg

8:00 AM

Partly cloudy

54° 💧 None 💨 4 mph H 81%30.09 inHg

2:00 PM

Overcast

57° 💧 None 💨 9 mph H 75%30.00 inHg

8:00 PM

Overcast night

50° 💧 None 💨 9 mph H 71%30.06 inHg

Saturday

2:00 AM

Light rain

43° 💧 None 💨 10 mph H 97%30.12 inHg

8:00 AM

Overcast

42° 💧 None 💨 9 mph H 96%30.18 inHg

2:00 PM

Mostly sunny

54° 💧 None 💨 8 mph H 48%30.18 inHg

8:00 PM

Clear night

46° 💧 None 💨 10 mph H 57%30.24 inHg

Sunday

2:00 AM

Clear night

40° 💧 None 💨 8 mph H 74%30.30 inHg

8:00 AM

Sunny

42° 💧 None 💨 6 mph H 77%30.36 inHg

2:00 PM

Sunny

57° 💧 None 💨 8 mph H 45%30.30 inHg

8:00 PM

Clear night

47° 💧 None 💨 6 mph H 80%30.33 inHg

Monday

2:00 AM

Clear night

42° 💧 None 💨 7 mph H 91%30.36 inHg

8:00 AM

Sunny

46° 💧 None 💨 5 mph H 80%30.42 inHg

In Williamstown and, more broadly, across the state of Vermont: As the afternoon progresses into the evening, skies will remain mostly sunny with just a few clouds drifting through. Temperatures will stay mild, ranging between 54 and 67 degrees Fahrenheit. Expect gentle, moderate winds coming from the north at around 10 mph, with occasional gusts reaching up to 14 mph. No precipitation is expected during this time, providing a calm and pleasant evening. The weather should remain stable through the night, making for a comfortable and clear end to the day.

15-Day Weather Outlook for Williamstown

TomorrowTomorrow

Mostly sunny 71°/52° 💧 None 💨 12 mph

Tuesday, Sep 8Tue Sep 8

Mostly sunny 70°/54° 💧 None 💨 9 mph

Wednesday, Sep 9Wed Sep 9

Light rain 72°/56° 💧 0.032 in 💨 11 mph

Thursday, Sep 10Thu Sep 10

Moderate rain 73°/64° 💧 0.527 in 💨 11 mph

Friday, Sep 11Fri Sep 11

Mostly cloudy 64°/55° 💧 0.002 in 💨 10 mph

Saturday, Sep 12Sat Sep 12

Partly cloudy 67°/46° 💧 None 💨 9 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 76°/54° 💧 0.002 in 💨 10 mph

Monday, Sep 14Mon Sep 14

Mostly cloudy 68°/58° 💧 0.017 in 💨 9 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 68°/49° 💧 None 💨 13 mph

Wednesday, Sep 16Wed Sep 16

Overcast 68°/58° 💧 0.162 in 💨 12 mph

Thursday, Sep 17Thu Sep 17

Mostly sunny 66°/50° 💧 None 💨 7 mph

Friday, Sep 18Fri Sep 18

Overcast 57°/51° 💧 0.037 in 💨 9 mph

Saturday, Sep 19Sat Sep 19

Light rain 54°/42° 💧 0.247 in 💨 10 mph

Sunday, Sep 20Sun Sep 20

Sunny 57°/40° 💧 None 💨 10 mph

Monday, Sep 21Mon Sep 21

Sunny 47°/42° 💧 None 💨 7 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 5:00 PM

PM2.5 Fine particles Good 0,5µg/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 0,5µg/m³

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

O₃ Ozone Fair 66,9µg/m³

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

NO₂ Nitrogen dioxide Good 0,3µg/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 5,1Moderate 🙂Fair

Tomorrow UV 5,9Moderate 🙂Fair

Tuesday UV 5,8Moderate 🙂Fair

Wednesday UV 3,8Moderate 😐Moderate

Thursday UV 6,0High 🙂Fair

Friday UV 5,0Moderate —Unavailable

Saturday UV 6,0High —Unavailable

Hourly UV index today

5:00 PMUV 1,1 6:00 PMUV 0,3 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

NIGHT SKY · WILLIAMSTOWN, VERMONT

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 4:00 AM–5:00 AM.

97/100Best-hour score

BEST TIME TONIGHT 4:00 AM–5:00 AM Astronomical darkness: 8:59 PM–4:39 AM

☁ Cloud cover 0% Real hourly forecast for the best viewing hour.

☾ Moonlight 21% Waning Crescent · Moon about 20° above the horizon at the best viewing hour.

☄ Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 79° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min76%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 5–SEP 21

September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak

ACTIVE NOW

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

UPCOMING

OCT 2–NOV 7

OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak

UPCOMING

OCT 20–DEC 10

Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak

UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

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Forecast data for Williamstown were last refreshed today at 4:29 PM. The current forecast period extends through 08/09/2026 at 2:00 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.