Cities / United States / Pennsylvania

18°

🌤️ Williamsport weather

Mostly clear. .

Feels like 20° Wind 2 km/h SW Humidity 87% Pressure 1015 hPa UV 0 Air Good ☀ 06:22 - 19:59

Right now it is 18° in Williamsport with mostly clear skies, today's high is 21° with an overnight low of 18° and about 14.1 mm of rain is expected. The sun rises at 06:22 and sets at 19:59, giving 13h 37m of daylight. Over the coming week highs range from 21° to 26°.

Williamsport is in Pennsylvania, United States, sitting 158 m above sea level, with a population of about 29,000. Local time is America/New_York (UTC−4), and every time on this page is shown in it.

Next 24 hours - temperature

16° 19° 21° 21° 16° 04:00 · 18.5° · 0 mm 05:00 · 18.2° · 0 mm 06:00 · 18° · 0 mm 07:00 · 18.2° · 0 mm 08:00 · 19° · 0 mm 09:00 · 19.5° · 0.4 mm 10:00 · 20.4° · 0.4 mm 11:00 · 20.9° · 0 mm 12:00 · 20.7° · 0.4 mm 13:00 · 19.5° · 2.5 mm 14:00 · 19.2° · 2.9 mm 15:00 · 19.4° · 2.5 mm 16:00 · 20° · 5 mm 17:00 · 19.8° · 0 mm 18:00 · 19.5° · 0 mm 19:00 · 19.4° · 0 mm 20:00 · 19.2° · 0 mm 21:00 · 19° · 0 mm 22:00 · 18.2° · 0 mm 23:00 · 17.6° · 0 mm 00:00 · 17.2° · 0 mm 01:00 · 16.8° · 0 mm 02:00 · 16.4° · 0 mm 03:00 · 16.2° · 0 mm

Precipitation

04:00 · 0 mm 04:00 05:00 · 0 mm 06:00 · 0 mm 07:00 · 0 mm 07:00 08:00 · 0 mm 09:00 · 0.4 mm 10:00 · 0.4 mm 10:00 11:00 · 0 mm 12:00 · 0.4 mm 13:00 · 2.5 mm 13:00 14:00 · 2.9 mm 15:00 · 2.5 mm 16:00 · 5 mm 16:00 17:00 · 0 mm 18:00 · 0 mm 19:00 · 0 mm 19:00 20:00 · 0 mm 21:00 · 0 mm 22:00 · 0 mm 22:00 23:00 · 0 mm 00:00 · 0 mm 01:00 · 0 mm 01:00 02:00 · 0 mm 03:00 · 0 mm

Hour by hour

TIMETEMPFEELSRAINCONDITIONS
04:00 🌤️ 18.5° 20° - Mostly clear
05:00 ☀️ 18.2° 19.7° - Clear sky
06:00 ☁️ 18° 19.8° - Overcast
07:00 ☁️ 18.2° 19.4° - Overcast
08:00 ☁️ 19° 21.1° - Overcast
09:00 🌦️ 19.5° 21.8° 0.4 mm Light rain
10:00 🌦️ 20.4° 23.1° 0.4 mm Light rain
11:00 ☁️ 20.9° 23.3° - Overcast
12:00 🌦️ 20.7° 22.5° 0.4 mm Light rain
13:00 🌧️ 19.5° 20.8° 2.5 mm Rain
14:00 🌧️ 19.2° 20.4° 2.9 mm Rain
15:00 🌧️ 19.4° 21.4° 2.5 mm Rain

Next 16 days

Today🌧️ 21°18°14.1mm Fri 21☀️ 26°15° Sat 22🌦️ 21°17°2mm Sun 23🌧️ 22°14°3.3mm Mon 24☀️ 22°11° Tue 25☀️ 25°8° Wed 26☀️ 26°10° Thu 27🌦️ 25°13°5.1mm Fri 28🌧️ 24°18°5.7mm Sat 29☁️ 26°16° Sun 30🌦️ 19°18°3.3mm Mon 31☁️ 23°16°0.3mm Tue 1☀️ 29°15° Wed 2🌦️ 29°14°2.1mm Thu 3🌤️ 21°12° Fri 4☀️ 0°0°
🌧️ TodayAugust 20th Avg 19° Low 18° at 23:00 High 21° at 11:00 14.1 mm rain Feels 23° Wind ~9 km/h
Clear Cloudy Rain Cloudy
00:00 19°
02:00 20°
04:00 19°
06:00 18°
08:00 19°
10:00 20° 0.4mm
12:00 21° 0.4mm
14:00 19° 2.9mm
16:00 20° 5mm
18:00 20°
20:00 19°
22:00 18°
☀️ FridayAugust 21st Avg 20° Low 15° at 07:00 High 26° at 16:00 Wind ~8 km/h
Clear Clear Clear Cloudy
00:00 17°
02:00 16°
04:00 16°
06:00 15°
08:00 17°
10:00 20°
12:00 24°
14:00 26°
16:00 26°
18:00 26°
20:00 23°
22:00 21°
🌦️ SaturdayAugust 22nd Avg 18° Low 17° at 05:00 High 21° at 15:00 2 mm rain Wind ~9 km/h
Cloudy Cloudy Rain
00:00 19°
02:00 18°
04:00 17° 0.2mm
06:00 17°
08:00 17° 0.1mm
10:00 18°
12:00 19°
14:00 20° 0.4mm
16:00 20° 0.1mm
18:00 18° 0.2mm
20:00 18° 0.1mm
22:00 18°
🌧️ SundayAugust 23rd Avg 18° Low 14° at 23:00 High 22° at 15:00 3.3 mm rain Wind ~12 km/h
Cloudy Rain Cloudy Rain Clear
00:00 18°
02:00 18°
04:00 18° 0.1mm
06:00 17°
08:00 18° 0.1mm
10:00 18° 0.2mm
12:00 19°
14:00 20°
16:00 21° 1mm
18:00 21° 0.2mm
20:00 17°
22:00 15°
☀️ MondayAugust 24th Avg 16° Low 11° at 23:00 High 22° at 14:00 Feels 17° Wind ~22 km/h
Clear Clear
00:00 14°
02:00 13°
04:00 12°
06:00 11°
08:00 13°
10:00 18°
12:00 21°
14:00 22°
16:00 20°
18:00 19°
20:00 14°
22:00 12°
☀️ TuesdayAugust 25th Avg 16° Low 8° at 04:00 High 25° at 16:00 Feels 23° Wind ~7 km/h
Partly Cloudy Partly Cloudy Clear
00:00 10°
02:00 9°
04:00 8°
06:00 9°
08:00 11°
10:00 17°
12:00 22°
14:00 24°
16:00 25°
18:00 22°
20:00 16°
22:00 14°
☀️ WednesdayAugust 26th Avg 17° Low 10° at 04:00 High 26° at 15:00 Feels 24° Wind ~9 km/h
Clear Cloudy
00:00 13°
02:00 11°
04:00 10°
06:00 11°
08:00 13°
10:00 19°
12:00 24°
14:00 25°
16:00 26°
18:00 23°
20:00 18°
22:00 16°
🌦️ ThursdayAugust 27th Avg 18° Low 13° at 05:00 High 25° at 14:00 5.1 mm rain Wind ~14 km/h
Clear Rain Cloudy Rain
00:00 15°
02:00 14°
04:00 13°
06:00 13°
08:00 15°
10:00 17° 0.6mm
12:00 21°
14:00 25°
16:00 23° 0.2mm
18:00 20° 0.9mm
20:00 19° 0.9mm
22:00 18°
🌧️ FridayAugust 28th Avg 20° Low 18° at 00:00 High 24° at 16:00 5.7 mm rain Feels 26° Wind ~9 km/h
Cloudy Rain Cloudy Rain
00:00 18°
02:00 18°
04:00 18° 0.1mm
06:00 18°
08:00 18°
10:00 18°
12:00 20° 0.5mm
14:00 23° 0.5mm
16:00 24° 1mm
18:00 23° 0.3mm
20:00 19° 0.3mm
22:00 18°
☁️ SaturdayAugust 29th Avg 20° Low 16° at 03:00 High 26° at 15:00 Wind ~13 km/h
Clear Cloudy Partly Cloudy Cloudy
00:00 17°
02:00 17°
04:00 17°
06:00 17°
08:00 17°
10:00 19°
12:00 23°
14:00 25°
16:00 25°
18:00 23°
20:00 20°
22:00 19°
🌦️ SundayAugust 30th Avg 19° Low 18° at 03:00 High 19° at 14:00 3.3 mm rain Feels 22° Wind ~7 km/h
Cloudy Rain Cloudy Rain Cloudy
00:00 19°
02:00 18°
04:00 18° 0.3mm
06:00 18° 0.1mm
08:00 18° 0.1mm
10:00 18° 0.2mm
12:00 19°
14:00 19°
16:00 19° 0.1mm
18:00 19° 0.4mm
20:00 19° 0.4mm
22:00 19°
☁️ MondayAugust 31st Avg 20° Low 16° at 23:00 High 23° at 16:00 0.3 mm rain Wind ~9 km/h
Rain Cloudy Partly Cloudy
00:00 19° 0.1mm
02:00 19° 0.1mm
04:00 18°
06:00 18°
08:00 19°
10:00 21°
12:00 22°
14:00 23°
16:00 23°
18:00 22°
20:00 18°
22:00 16°
☀️ TuesdaySeptember 1st Avg 21° Low 15° at 04:00 High 29° at 16:00 Wind ~7 km/h
Clear
00:00 16°
02:00 15°
04:00 15°
06:00 15°
08:00 16°
10:00 22°
12:00 26°
14:00 28°
16:00 29°
18:00 26°
20:00 21°
22:00 19°
🌦️ WednesdaySeptember 2nd Avg 21° Low 14° at 23:00 High 29° at 14:00 2.1 mm rain Wind ~11 km/h
Partly Cloudy Cloudy Rain Clear
00:00 18°
02:00 17°
04:00 17°
06:00 17°
08:00 18°
10:00 22°
12:00 26°
14:00 29°
16:00 27° 0.4mm
18:00 23° 0.3mm
20:00 19° 0.3mm
22:00 15°
🌤️ ThursdaySeptember 3rd Avg 15° Low 12° at 23:00 High 21° at 15:00 Feels 15° Wind ~21 km/h
Clear Cloudy Clear Cloudy
00:00 13°
02:00 12°
04:00 13°
06:00 14°
08:00 14°
10:00 15°
12:00 17°
14:00 20°
16:00 20°
18:00 18°
20:00 15°
22:00 12°
☀️ FridaySeptember 4th Avg 13° Low 0° at 05:00 High 0° at 15:00 Feels 13° Wind ~22 km/h
Clear Unknown
00:00 11°
02:00 9°
04:00 8°
06:00 8°
08:00 9°
10:00 13°
12:00 17°
14:00 19°
16:00 19°
18:00 17°
20:00 13°
22:00 0°

Sun

☀️ Sunrise 06:22 · Sunset 19:59

13h 37m of daylight · America/New_York

Air quality

PM2.5 7.9 µg/m³ - Good

No reason to change your plans - open the windows.

Source: Copernicus CAMS, updated hourly.

Nearby

South Williamsport · 1 km Allens · 1.8 km Grampian Hills · 2 km Faxon · 2.2 km Vallamont Hills · 2.5 km French Settlement · 3.5 km

Tools for Williamsport

☔ Will it rain today? 🌅 Sunrise & sunset 🫁 Air quality 📼 Weather on this day

Common questions about Williamsport weather

Will it rain in Williamsport today?

Yes - about 14.1 mm of rain is expected in Williamsport today.

What is the temperature in Williamsport right now?

It is 18° in Williamsport right now, though it feels closer to 20°. Today runs between a low of 18° and a high of 21°.

What time is sunrise and sunset in Williamsport?

The sun rises at 06:22 and sets at 19:59 local time in Williamsport today, giving 13h 37m of daylight.

What is the air quality in Williamsport?

PM2.5 in Williamsport is currently 7.9 µg/m³, which counts as Good on the European air-quality index. No reason to change your plans - open the windows.

How accurate is the Williamsport 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 Williamsport 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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