🇺🇸 Weather in Williamstown
Map Overlays:
Hourly Forecast for Williamstown
04:00
17°
0%
05:00
16°
0%
06:00
17°
0%
07:00
18°
0%
08:00
19°
0%
09:00
20°
0%
10:00
22°
0%
11:00
25°
0%
12:00
24°
0%
13:00
25°
0%
14:00
25°
0%
15:00
25°
0%
16:00
25°
0%
17:00
24°
0%
18:00
23°
0%
19:00
22°
0%
20:00
21°
0%
21:00
20°
0%
22:00
19°
0%
23:00
19°
0%
00:00
18°
0%
01:00
18°
0%
02:00
18°
0%
03:00
18°
0%
14-Day Forecast for Williamstown
Tue, May 26
Partly Cloudy
27° /
16°
Wed, May 27
Patchy rain nearby
25° /
18°
Thu, May 28
Sunny
26° /
16°
Fri, May 29
Sunny
24° /
12°
Sat, May 30
Sunny
20° /
10°
Sun, May 31
Sunny
24° /
9°
Mon, Jun 01
Sunny
26° /
13°
Tue, Jun 02
Sunny
24° /
15°
Wed, Jun 03
Sunny
26° /
12°
Thu, Jun 04
Sunny
30° /
15°
Fri, Jun 05
Patchy rain nearby
27° /
18°
Sat, Jun 06
Moderate rain
30° /
19°
Sun, Jun 07
Patchy rain nearby
25° /
19°
Mon, Jun 08
Sunny
26° /
16°
Additional Forecasts for Williamstown
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 200.8 μg/m³
O₃ (Ozone) 39.0 μg/m³
NO₂ (Nitrogen Dioxide) 13.2 μg/m³
SO₂ (Sulphur Dioxide) 1.9 μg/m³
PM2.5 (Fine particles) 6.8 μg/m³
PM10 (Coarse particles) 7.0 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Frequently Asked Questions about Weather in Williamstown
What is the temperature in Williamstown right now?
The current temperature in Williamstown is 19°C (66°F), mist (feels like 19°C).
What's the weather like in Williamstown right now?
Conditions in Williamstown right now: Mist, humidity 93%, wind 5 km/h NE.
What is today's forecast for Williamstown?
Today in Williamstown: high 27°C, low 16°C, partly cloudy. Chance of rain: 0%.
What is the 7-day weather forecast for Williamstown?
Daily highs and lows for Williamstown:
- 2026-05-26: 27°C / 16°C
- 2026-05-27: 25°C / 18°C
- 2026-05-28: 26°C / 16°C
- 2026-05-29: 24°C / 12°C
- 2026-05-30: 20°C / 10°C
- 2026-05-31: 24°C / 9°C
- 2026-06-01: 26°C / 13°C
Is it going to rain in Williamstown today?
There is a 0% chance of rain in Williamstown today.
What is the wind speed in Williamstown right now?
Wind in Williamstown is currently 5 km/h (3 mph) from the NE.
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.




