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Weather in Philadelphia — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive
Now in Philadelphia
🌙
+19°
Clear
Feels like +20° · humidity 88%
Today 12.9: +28° / +16°
🕐 01:25
Wind
6 km/h
UV index
0
Air (AQI)
52 · Moderate
Precipitation
8%
Humidity
88%
Pressure
1018 hPa
Sunrise / sunset
06:38 / 19:14

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.
Weather for an activity:

Detailed weather information for Philadelphia

Today, 12 September, Saturday, in Philadelphia (United States): partly cloudy, warm. During the day the air will warm up to +28°, at night around +16°. Due to the wind it feels like +20°. Wind up to 15 km/h. No precipitation expected, you won't need an umbrella. Light summer clothing will do — a T-shirt and shorts or light trousers. The sun will rise at 06:38 and set at 19:14 — daylight lasts 13 hours.

Hourly weather in Philadelphia

🌅 sunrise 06:38 🌇 sunset 19:14🌙🌙☁️☀️🌤️☁️☁️☁️+19°+17°+16°+20°+27°+28°+25°+22°1%2%3%3%01:0004:0007:0010:0013:0016:0019:0022:00
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Philadelphia for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
Today 12.9
☁️
💧 8%
+16° +28°
Morning
☁️
+17°
Day
☁️
+28°
Evening
🌇
+25°
Night
🌙
+16°
Overcast · precipitation 8% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tomorrow 13.9
🌦️
💧 63%
+21° +27°
Morning
☁️
+23°
Day
🌦️
+27°
Evening
🌇
+26°
Night
🌙
+21°
Rain showers · precipitation 63% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Mon 14.9
🌦️
💧 13%
+18° +24°
Morning
🌦️
+20°
Day
🌦️
+24°
Evening
🌇
+23°
Night
🌙
+18°
Drizzle · precipitation 13% · wind up to 21 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tue 15.9
☁️
+15° +26°
Morning
☁️
+19°
Day
☁️
+26°
Evening
🌇
+23°
Night
🌙
+15°
Overcast · precipitation 0% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Wed 16.9
☁️
💧 1%
+18° +28°
Morning
☁️
+22°
Day
☁️
+28°
Evening
🌇
+26°
Night
🌙
+18°
Overcast · precipitation 1% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Thu 17.9
☀️
💧 16%
+18° +30°
Morning
☀️
+22°
Day
☀️
+30°
Evening
🌇
+27°
Night
🌙
+18°
Clear · precipitation 16% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Fri 18.9
🌦️
💧 19%
+21° +27°
Morning
🌦️
+23°
Day
🌦️
+27°
Evening
🌇
+26°
Night
🌙
+21°
Drizzle · precipitation 19% · wind up to 11 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Sat 19.9
🌧️
💧 22%
+21° +23°
Morning
🌧️
+22°
Day
🌧️
+23°
Evening
🌇
+23°
Night
🌙
+21°
Rain · precipitation 22% · wind up to 10 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Sun 20.9
☁️
💧 20%
+18° +26°
Morning
☁️
+21°
Day
☁️
+26°
Evening
🌇
+24°
Night
🌙
+18°
Overcast · precipitation 20% · wind up to 13 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Mon 21.9
☁️
💧 13%
+17° +25°
Morning
☁️
+20°
Day
☁️
+25°
Evening
🌇
+23°
Night
🌙
+17°
Overcast · precipitation 13% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
Tue 22.9
☁️
💧 16%
+16° +22°
Morning
☁️
+18°
Day
☁️
+22°
Evening
🌇
+21°
Night
🌙
+16°
Overcast · precipitation 16% · wind up to 30 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Wed 23.9
🌧️
💧 17%
+10° +15°
Morning
🌧️
+12°
Day
🌧️
+15°
Evening
🌇
+14°
Night
🌙
+10°
Heavy rain · precipitation 17% · wind up to 40 km/h.
🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
Thu 24.9
🌦️
💧 16%
+11° +16°
Morning
🌦️
+13°
Day
🌦️
+16°
Evening
🌇
+15°
Night
🌙
+11°
Drizzle · precipitation 16% · wind up to 26 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
Fri 25.9
🌤️
💧 29%
+13° +22°
Morning
🌤️
+16°
Day
🌤️
+22°
Evening
🌇
+20°
Night
🌙
+13°
Mostly clear · precipitation 29% · wind up to 12 km/h.
🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏃 Running
64 / 100
comfort for running · Average
🧴 UV
0%
moderate · low
☂️ Rain
8%
unlikely · low
✨ Stars
82 / 100
evening visibility · Excellent
🧺 Laundry drying
49 / 100
will dry outside · Average
🚗 Car wash
85 / 100
no rain expected · Excellent

🌫️ Air quality

52
Moderate air
European AQI
PM2.5: 21PM10: 21O₃: 24NO₂: 46
Moderate. Those sensitive to dust should be more careful during long outdoor exercise.

🌅 Sun, moon and sea

Sunrise
06:38
Sunset
19:14
Golden hour
18:38
Daylight
13 h (-3 min vs yesterday)

Philadelphia climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+4°
-3°
Jan
+6°
-3°
Feb
+11°
+1°
Mar
+17°
+7°
Apr
+22°
+12°
May
+27°
+18°
Jun
+30°
+21°
Jul
+29°
+20°
Aug
+25°
+16°
Sep
+19°
+10°
Oct
+12°
+4°
Nov
+7°
+0°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month Day Night Precipitation What to pack and what makes the month notable (events, nuances)
January +4° -3° 83 mm Cold: +4° by day, down to -3° at night — dress warmly. It's a rainy month (83 mm) — an umbrella is a must. ❄️ a warm jacket, a hat, non-slip shoes. This is the coldest month of the year.
February +6° -3° 76 mm Winter weather: about +6° daytime, you need a warm coat and hat. Frequent rain (76 mm over the month) — keep indoor backup plans. 🧣 a warmer jacket.
March +11° +1° 104 mm Cool weather: +11° by day, noticeably colder in the evening. One of the wettest months (104 mm): downpours can derail plans. 🧥 a warm jacket.
April +17° +7° 92 mm Cool: around +17° by day, you'll need a warm layer. It's a rainy month (92 mm) — an umbrella is a must. 🙂 a sweater for the evening.
May +22° +12° 91 mm Ideal weather: +22° daytime — neither hot nor cold. Frequent rain (91 mm over the month) — keep indoor backup plans. 🙂 a sweater for the evening.
June +27° +18° 101 mm A comfortable month: +27° by day without exhausting heat. One of the wettest months (101 mm): downpours can derail plans. 😊 light summer clothing. The longest daylight hours of the year — more time for everything.
July +30° +21° 99 mm Warm and comfortable: +30° by day, +21° at night. It's a rainy month (99 mm) — an umbrella is a must. 😊 light summer clothing. This is the hottest month of the year in Philadelphia.
August +29° +20° 97 mm Gentle warmth — about +29° daytime, great walking weather. Frequent rain (97 mm over the month) — keep indoor backup plans. 😊 light summer clothing. Weather-wise, one of the three best months to visit.
September +25° +16° 106 mm The most pleasant season: +25° by day, comfortable all day long. One of the wettest months (106 mm): downpours can derail plans. 😊 light summer clothing. Statistically the wettest month of the year.
October +19° +10° 94 mm One of the best times to visit: +19° by day, fresh nights. It's a rainy month (94 mm) — an umbrella is a must. 🙂 a sweater for the evening.
November +12° +4° 75 mm A fresh month — +12° daytime, take a jacket for walks. Frequent rain (75 mm over the month) — keep indoor backup plans. 🧥 a warm jacket.
December +7° +0° 102 mm A cold month: +7° by day, long walks get uncomfortable. One of the wettest months (102 mm): downpours can derail plans. 🧣 a warmer jacket. The shortest daylight of the year — it gets dark early.

When to visit Philadelphia

✅ Recommended time to visit
🌟 Best time: June, August, September
Daytime air+25…+29°
Precipitationoften
Why: comfortable +25…+29° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: January, February, April, May, July, October
Daytime air+4…+30°
Precipitationoften
Why: noticeable rain risk (76–99 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
❄️ Cold season: March, November, December
Daytime air+7…+12°
Precipitationoften
Why: cold and dark (+7…+12° by day, 9 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Philadelphia is June, August, September, and the most comfortable months are June, August, September. The toughest months to visit are March, November, December: frequent rain.

🌡️ Today vs the climate normal

Today's high
+28°
Normal for September
+25°
Deviation
3° warmer than normal
A year ago on this day
+27°
Record for this date
+33° (1961)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).

Weather archive for Philadelphia

📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.

Show the archive for the selected day →

Weather in cities near Philadelphia

Frequently asked questions about the weather in Philadelphia

What is the weather in Philadelphia right now?
Clear, +19°, feels like +20°.
Will it rain in Philadelphia today?
No: 8% chance, 0 mm.
When is the best time to visit Philadelphia?
Best time to visit — June, August, September.
What time are sunrise and sunset in Philadelphia?
Sunrise 06:38, sunset 19:14.
Does it snow in Philadelphia in winter?
Yes, snow is possible in January, February, December.
What is the climate in Philadelphia by month?
Summers up to +30° in July, winters around -3° in January; the wettest month is September.
Is it cold in Philadelphia in winter?
❄️ Cold, around zero and below. A warm jacket and a hat are a must; ice is common — you'll need non-slip shoes.