🇺🇸 Weather in Philadelphia
Map Overlays:
Hourly Forecast for Philadelphia
03:00
21°
14%
04:00
21°
15%
05:00
21°
16%
06:00
21°
15%
07:00
22°
15%
08:00
23°
27%
09:00
24°
23%
10:00
25°
16%
11:00
28°
18%
12:00
28°
19%
13:00
28°
30%
14:00
30°
57%
15:00
30°
57%
16:00
29°
64%
17:00
26°
60%
18:00
27°
75%
19:00
26°
35%
20:00
25°
45%
21:00
24°
39%
22:00
24°
58%
23:00
23°
30%
00:00
23°
27%
01:00
23°
24%
02:00
23°
23%
14-Day Forecast for Philadelphia
2026-07-09
Sunny
30° /
21°
2026-07-10
Sunny
32° /
22°
2026-07-11
Partly Cloudy
30° /
22°
2026-07-12
Sunny
29° /
20°
2026-07-13
Sunny
29° /
18°
2026-07-14
Sunny
31° /
18°
2026-07-15
Sunny
32° /
20°
Additional Forecasts for Philadelphia
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 157.0 μg/m³
O₃ (Ozone) 45.0 μg/m³
NO₂ (Nitrogen Dioxide) 19.5 μg/m³
SO₂ (Sulphur Dioxide) 1.2 μg/m³
PM2.5 (Fine particles) 9.2 μg/m³
PM10 (Coarse particles) 9.7 μg/m³
Historical Weather
Weather Forecasts for Other Cities in United States
Weather in Philadelphia — FAQ
Answers refreshed each request based on current conditions in Philadelphia.
What is the weather like right now in Philadelphia?
Right now in Philadelphia, United States the temperature is 22.8°C (feels like 25.1°C), with partly cloudy. Relative humidity is 81% and wind is 7.9 km/h.
What is today's high and low temperature in Philadelphia?
Today's forecast high in Philadelphia is 29.5°C and the overnight low is 20.8°C. The diurnal range — high minus low — depends on cloud cover; clear days swing more than overcast ones.
Will it rain in Philadelphia today?
The chance of precipitation in Philadelphia today is 80%. Forecast accuracy is highest within the next 6 hours and decreases steadily out to 14 days.
How often does the weather here update?
Current observations refresh every 15-60 minutes from the nearest monitoring stations operated by national meteorological agencies. The hourly forecast updates approximately every hour; the 7- and 14-day outlook is recomputed several times per day.
What does 'feels like' temperature mean?
Feels-like (apparent) temperature accounts for humidity, wind chill and direct sunshine — variables that change how the human body perceives heat or cold. On hot, humid days it can be 3-7°C above the actual reading; on cold windy days it can be 5-15°C below.
Why does the temperature in Philadelphia differ from nearby cities?
Even short distances can change temperatures noticeably. Philadelphia's reading reflects altitude, proximity to large bodies of water, urban heat island effects, and the exact location of the monitoring stations supplying the data. Coastal cities are typically milder and more humid than inland equivalents.