Today's Weather Forecast - Philadelphia
Today's weather in Philadelphia. high 29°C (84°F), low 21°C (70°F). Overcast.
Today’s Hourly Weather Outlook
- Wind speed
- 9 km/h
- Rain probability
- 19%
- Wind speed
- 10 km/h
- Rain probability
- 6%
- Wind speed
- 10 km/h
- Rain probability
- 0%
- Wind speed
- 8 km/h
- Rain probability
- 20%
24-Hour Rain & Temperature Forecast
Sunrise & Sunset
Air Quality Index & Health Advice
Air Quality Index
- Air quality level
- Good
- Dominant pollutant
- Dominant: O3
- Monitoring station
- South Camden, NewJersey, USA
- PM2.5
- 21μg/m³
- O₃
- 21.6ppb
- NO₂
- 9.3ppb
- SO₂
- 1.5ppb
- CO
- 2.3ppm
5-Day Weather Forecast
Full 15-Day ForecastWeather Insight
Philadelphia is forecast to reach a high of 29°C today, with an overnight low around 21°C. That's 3° above the long-term average high of 26°C for this time of year. It continues a recent pattern — 16 of the last 28 days with published data have run warmer than normal. Expect a low chance of rain (20% probability) and a gentle breeze averaging 10 km/h. Air quality is currently Moderate (AQI 53), driven mainly by PM2.5 at 9.4 μg/m³.
Today vs Normal
The long-term average high for today is 26°C.
16 of the last 28 days with published data ran above normal.
It continues that pattern - today's forecast is also running above normal.
Red = above normal, blue = at or below · last 12 days
Air Quality
Air quality is acceptable for most people. Unusually sensitive individuals should consider reducing prolonged or heavy outdoor exertion.