Cities / United States / Pennsylvania

19°

☁️ Williamstown weather

Overcast. .

Feels like 20° Wind 2 km/h NE Humidity 79% Pressure 1020 hPa UV 3 Air Fair 06:33 - 19:40

Right now it is 19° in Williamstown with overcast skies, today's high is 27° with an overnight low of 19° and about 1.5 mm of rain is expected. The sun rises at 06:33 and sets at 19:40, giving 13h 07m of daylight. Over the coming week highs range from 24° to 31°.

Williamstown is in Pennsylvania, United States, sitting 223 m above sea level, with a population of about 1,000. Local time is America/New_York (UTC−4), and every time on this page is shown in it.

Next 24 hours - temperature

18° 23° 27° 27° 19° 06:00 · 18.7° · 0 mm 07:00 · 18.9° · 0 mm 08:00 · 19.4° · 0.4 mm 09:00 · 19.4° · 0.4 mm 10:00 · 20.3° · 0 mm 11:00 · 21.6° · 0 mm 12:00 · 22.8° · 0 mm 13:00 · 24.4° · 0 mm 14:00 · 25.5° · 0 mm 15:00 · 26.4° · 0 mm 16:00 · 26.5° · 0 mm 17:00 · 26.4° · 0 mm 18:00 · 25.8° · 0 mm 19:00 · 25° · 0 mm 20:00 · 23.8° · 0 mm 21:00 · 23° · 0 mm 22:00 · 22.9° · 0 mm 23:00 · 22.9° · 0.7 mm 00:00 · 22.3° · 0 mm 01:00 · 21.5° · 0 mm 02:00 · 21.1° · 0 mm 03:00 · 21° · 0 mm 04:00 · 21.3° · 0 mm 05:00 · 21.5° · 0 mm

Precipitation

06:00 · 0 mm 06:00 07:00 · 0 mm 08:00 · 0.4 mm 09:00 · 0.4 mm 09:00 10:00 · 0 mm 11:00 · 0 mm 12:00 · 0 mm 12:00 13:00 · 0 mm 14:00 · 0 mm 15:00 · 0 mm 15:00 16:00 · 0 mm 17:00 · 0 mm 18:00 · 0 mm 18:00 19:00 · 0 mm 20:00 · 0 mm 21:00 · 0 mm 21:00 22:00 · 0 mm 23:00 · 0.7 mm 00:00 · 0 mm 00:00 01:00 · 0 mm 02:00 · 0 mm 03:00 · 0 mm 03:00 04:00 · 0 mm 05:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
06:00 ☁️ 18.7° 19.8° - Overcast
07:00 🌤️ 18.9° 19.9° - Mostly clear
08:00 🌦️ 19.4° 20.9° 0.4 mm Light rain
09:00 🌦️ 19.4° 21.3° 0.4 mm Light rain
10:00 ☁️ 20.3° 21.9° - Overcast
11:00 ☁️ 21.6° 22.7° - Overcast
12:00 🌤️ 22.8° 24.7° - Mostly clear
13:00 🌤️ 24.4° 26.5° - Mostly clear
14:00 🌤️ 25.5° 27.5° - Mostly clear
15:00 ☀️ 26.4° 27.8° - Clear sky
16:00 ☀️ 26.5° 27.3° - Clear sky
17:00 ☀️ 26.4° 27.6° - Clear sky

Next 16 days

🌦️ TodayAugust 31st Avg 22° Low 19° at 05:00 High 27° at 16:00 1.5 mm rain Wind ~11 km/h
Clear Clear
00:00 21°
02:00 20°
04:00 19°
06:00 19°
08:00 19° 0.4mm
10:00 20°
12:00 23°
14:00 26°
16:00 27°
18:00 26°
20:00 24°
22:00 23°
☀️ TuesdaySeptember 1st Avg 25° Low 21° at 03:00 High 29° at 16:00 Wind ~17 km/h
Cloudy Clear
00:00 22°
02:00 21°
04:00 21°
06:00 21°
08:00 23°
10:00 24°
12:00 26°
14:00 28°
16:00 29°
18:00 28°
20:00 25°
22:00 25°
🌧️ WednesdaySeptember 2nd Avg 21° Low 20° at 04:00 High 24° at 00:00 6.4 mm rain Feels 26° Wind ~17 km/h
Rain Cloudy Rain
00:00 24° 0.15mm
02:00 21° 0.38mm
04:00 20°
06:00 20°
08:00 20°
10:00 20°
12:00 20°
14:00 21°
16:00 22°
18:00 22° 0.8mm
20:00 21° 0.7mm
22:00 20° 0.9mm
🌧️ ThursdaySeptember 3rd Avg 23° Low 20° at 00:00 High 31° at 17:00 20 mm rain Wind ~18 km/h
Rain Cloudy Clear Rain
00:00 20° 0.1mm
02:00 20° 0.1mm
04:00 20° 0.2mm
06:00 20° 2mm
08:00 21° 0.4mm
10:00 22° 0.1mm
12:00 26°
14:00 27°
16:00 31°
18:00 27° 0.6mm
20:00 22° 2.1mm
22:00 22° 0.9mm
🌦️ FridaySeptember 4th Avg 23° Low 17° at 23:00 High 28° at 15:00 1.4 mm rain Wind ~15 km/h
Rain Clear Cloudy
00:00 21° 0.1mm
02:00 21° 0.4mm
04:00 21°
06:00 20°
08:00 21°
10:00 24°
12:00 26°
14:00 28°
16:00 28°
18:00 26°
20:00 21°
22:00 18°
☀️ SaturdaySeptember 5th Avg 18° Low 14° at 05:00 High 24° at 14:00 Feels 20° Wind ~20 km/h
Clear Partly Cloudy Clear
00:00 16°
02:00 15°
04:00 14°
06:00 14°
08:00 16°
10:00 19°
12:00 22°
14:00 24°
16:00 22°
18:00 20°
20:00 17°
22:00 15°
☀️ SundaySeptember 6th Avg 18° Low 13° at 06:00 High 25° at 15:00 Wind ~7 km/h
Clear Clear
00:00 14°
02:00 14°
04:00 14°
06:00 13°
08:00 14°
10:00 19°
12:00 23°
14:00 25°
16:00 25°
18:00 22°
20:00 17°
22:00 16°
☁️ MondaySeptember 7th Avg 19° Low 14° at 03:00 High 25° at 16:00 Wind ~12 km/h
Partly Cloudy Cloudy
00:00 15°
02:00 14°
04:00 14°
06:00 14°
08:00 15°
10:00 20°
12:00 23°
14:00 25°
16:00 25°
18:00 23°
20:00 19°
22:00 18°
🌧️ TuesdaySeptember 8th Avg 18° Low 17° at 07:00 High 22° at 17:00 18.3 mm rain Feels 24° Wind ~12 km/h
Cloudy Rain Cloudy Rain
00:00 17°
02:00 17°
04:00 17°
06:00 17°
08:00 17°
10:00 18° 0.4mm
12:00 18° 0.5mm
14:00 18° 0.5mm
16:00 21°
18:00 22° 3mm
20:00 20° 3mm
22:00 20° 2.2mm
🌦️ WednesdaySeptember 9th Avg 21° Low 20° at 23:00 High 24° at 12:00 1.5 mm rain Feels 26° Wind ~7 km/h
Rain Cloudy Partly Cloudy Cloudy
00:00 20° 0.5mm
02:00 20° 0.5mm
04:00 20°
06:00 20°
08:00 20°
10:00 23°
12:00 24°
14:00 24°
16:00 23°
18:00 23°
20:00 22°
22:00 20°
ThursdaySeptember 10th Avg 25° Low 19° at 02:00 High 34° at 16:00 Wind ~19 km/h
Partly Cloudy Clear
00:00 19°
02:00 19°
04:00 19°
06:00 19°
08:00 20°
10:00 23°
12:00 28°
14:00 33°
16:00 34°
18:00 32°
20:00 27°
22:00 25°
☀️ FridaySeptember 11th Avg 20° Low 14° at 23:00 High 26° at 15:00 Feels 23° Wind ~16 km/h
Clear Partly Cloudy Cloudy Clear
00:00 22°
02:00 18°
04:00 16°
06:00 15°
08:00 16°
10:00 20°
12:00 23°
14:00 26°
16:00 26°
18:00 24°
20:00 20°
22:00 16°
SaturdaySeptember 12th Avg 14° Low at 23:00 High 19° at 14:00 Feels 15° Wind ~24 km/h
Clear Partly Cloudy Clear
00:00 13°
02:00 13°
04:00 12°
06:00 12°
08:00 13°
10:00 17°
12:00 19°
14:00 19°
16:00 18°
18:00 15°
20:00 12°
22:00
☀️ SundaySeptember 13th Avg 13° Low at 05:00 High 21° at 16:00 Feels 18° Wind ~16 km/h
Clear
00:00
02:00
04:00
06:00
08:00
10:00 14°
12:00 18°
14:00 20°
16:00 21°
18:00 19°
20:00 14°
22:00 12°
☀️ MondaySeptember 14th Avg 16° Low at 04:00 High 25° at 16:00 Feels 23° Wind ~11 km/h
Clear Partly Cloudy
00:00 11°
02:00 10°
04:00
06:00
08:00 11°
10:00 17°
12:00 21°
14:00 23°
16:00 25°
18:00 22°
20:00 17°
22:00 15°
TuesdaySeptember 15th Avg 17° Low at 04:00 High at 16:00 Feels 22° Wind ~11 km/h
Cloudy Partly Cloudy Clear Unknown
00:00 14°
02:00 14°
04:00 13°
06:00 13°
08:00 14°
10:00 18°
12:00 21°
14:00 23°
16:00 24°
18:00 21°
20:00 16°
22:00

Sun

☀️ Sunrise 06:33 · Sunset 19:40

13h 07m of daylight · America/New_York

Air quality

PM2.5 10.3 µg/m³ - Fair

Fine for almost everyone; unusually sensitive people may notice it on a long run.

Source: Copernicus CAMS, updated hourly.

Nearby

Tools for Williamstown

Common questions about Williamstown weather

Will it rain in Williamstown today?

Yes - about 1.5 mm of rain is expected in Williamstown today.

What is the temperature in Williamstown right now?

It is 19° in Williamstown right now. Today runs between a low of 19° and a high of 27°.

What time is sunrise and sunset in Williamstown?

The sun rises at 06:33 and sets at 19:40 local time in Williamstown today, giving 13h 07m of daylight.

What is the air quality in Williamstown?

PM2.5 in Williamstown is currently 10.3 µg/m³, which counts as Fair on the European air-quality index. Fine for almost everyone; unusually sensitive people may notice it on a long run.

How accurate is the Williamstown forecast, and how far ahead does it go?

This page shows 16 days ahead, refreshed every hour. It blends ECMWF, NOAA GFS and whichever national high-resolution model covers Williamstown best. The first three days are the dependable part - day one is usually within a degree or two - and accuracy falls off steadily after day five, so read the far end as a trend rather than a plan. We publish our measured error against real station observations on the accuracy page.

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