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Weather in Williamstown, United States 🇺🇸

Current Weather in Williamstown

Patchy rain nearby
24°C
Feels like 27°C. Patchy rain nearby.
🌬️ 7 km/h SE
💧 87% Humidity
🧭 1018 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 22°C
🌅 Sunrise: 06:26 AM
🌇 Sunset: 07:34 PM
Map Overlays:

The current temperature in Williamstown is 24°C, patchy rain nearby, feeling like 27°C. Expect 87% humidity and winds of about 7 km/h, and the UV index is 0 (low). In the days ahead, expect temperatures in Williamstown from about 17°C to 33°C.

Hourly Forecast for Williamstown

22:00
Light rain
24°
81%
23:00
Moderate rain
24°
84%
00:00
Moderate rain
23°
82%
01:00
Light rain shower
22°
47%
02:00
Mist
22°
41%
03:00
Mist
22°
47%
04:00
Light rain shower
21°
58%
05:00
Fog
21°
55%
06:00
Fog
21°
42%
07:00
Fog
21°
42%
08:00
Overcast
22°
31%
09:00
Overcast
23°
26%
10:00
Overcast
24°
22%
11:00
Partly Cloudy
27°
6%
12:00
Partly Cloudy
29°
7%
13:00
Partly Cloudy
30°
4%
14:00
Cloudy
32°
9%
15:00
Overcast
31°
11%
16:00
Overcast
29°
11%
17:00
Light rain shower
28°
25%
18:00
Light rain shower
25°
64%
19:00
Light rain shower
24°
45%
20:00
Light rain shower
24°
63%
21:00
Overcast
23°
32%

14-Day Forecast for Williamstown

Sun, Aug 30
Sunny Sunny
29° / 17°
Mon, Aug 31
Light rain shower Light rain shower
32° / 21°
Tue, Sep 01
Overcast Overcast
33° / 22°
Wed, Sep 02
Thundery outbreaks in nearby Thundery outbreaks in nearby
32° / 22°
Thu, Sep 03
Patchy rain nearby Patchy rain nearby
32° / 22°
Fri, Sep 04
Sunny Sunny
28° / 21°
Sat, Sep 05
Sunny Sunny
26° / 18°
Sun, Sep 06
Sunny Sunny
25° / 18°
Mon, Sep 07
Sunny Sunny
27° / 16°
Tue, Sep 08
Overcast Overcast
24° / 18°
Wed, Sep 09
Sunny Sunny
34° / 21°
Thu, Sep 10
Sunny Sunny
36° / 25°
Fri, Sep 11
Sunny Sunny
37° / 25°
Sat, Sep 12
Sunny Sunny
36° / 26°

Additional Forecasts for Williamstown

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 161.0 μg/m³
O₃ (Ozone) 82.0 μg/m³
NO₂ (Nitrogen Dioxide) 9.3 μg/m³
SO₂ (Sulphur Dioxide) 0.8 μg/m³
PM2.5 (Fine particles) 9.5 μg/m³
PM10 (Coarse particles) 11.4 μg/m³

Historical Weather

Weather Forecasts for Other Cities in United States

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Best Time to Be Outside in Williamstown Tomorrow

There is no good daylight window left in Williamstown today. Tomorrow, the most comfortable window looks like 09:00 to 12:00, when it is around 25°C. It should stay dry through that window. The next likely rain is around 22:00.

Frequently Asked Questions about Weather in Williamstown

What is the temperature in Williamstown right now?

The current temperature in Williamstown is 24°C (75°F), patchy rain nearby (feels like 27°C).

What's the weather like in Williamstown right now?

Right now Williamstown has Patchy rain nearby, humidity 87%, wind 7 km/h SE.

What is today's forecast for Williamstown?

Today in Williamstown: high 29°C, low 17°C, sunny. Chance of rain: 75%.

What is the 7-day weather forecast for Williamstown?

Daily highs and lows for Williamstown:

  • 2026-08-30: 29°C / 17°C
  • 2026-08-31: 32°C / 21°C
  • 2026-09-01: 33°C / 22°C
  • 2026-09-02: 32°C / 22°C
  • 2026-09-03: 32°C / 22°C
  • 2026-09-04: 28°C / 21°C
  • 2026-09-05: 26°C / 18°C
Is it going to rain in Williamstown today?

There is a 75% chance of rain in Williamstown today. Total expected precipitation: 5.79 mm.

What is the wind speed in Williamstown right now?

Wind in Williamstown is currently 7 km/h (4 mph) from the SE.

What is the UV index in Williamstown right now?

The UV index in Williamstown is currently 0 (low). Sun protection is recommended when the index is 3 or higher.

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