Philadelphia County Weather Forecast
Philadelphia County weather: 71°F, clear sky. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Risk assessment for Philadelphia County
Derived from the current forecast window - not an official warning.
Peak gusts of 31 mph and 2 thunderstorm days in the next 16 days.
Wettest single day forecast at 0,4 in, 1,0 in across the window. Flash flooding risk rises sharply above 50 mm in a day.
16-day forecast for Philadelphia County
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Fri, Aug 21 | ☁️ Overcast | 77° / 64° | 4% | 9 mph | 7 |
| Sat, Aug 22 | 🌦️ Light rain | 76° / 67° | 26% · 0,2 in | 7 mph | 4 |
| Sun, Aug 23 | 🌦️ Light showers | 84° / 67° | 26% · 0,2 in | 13 mph | 7 |
| Mon, Aug 24 | ☁️ Overcast | 83° / 67° | 3% | 13 mph | 7 |
| Tue, Aug 25 | ☁️ Overcast | 82° / 65° | 1% | 11 mph | 7 |
| Wed, Aug 26 | ☁️ Overcast | 86° / 68° | 27% | 8 mph | 7 |
| Thu, Aug 27 | 🌦️ Light drizzle | 83° / 69° | 44% · 0,0 in | 6 mph | 4 |
| Fri, Aug 28 | 🌦️ Light drizzle | 83° / 71° | 39% · 0,1 in | 7 mph | 5 |
| Sat, Aug 29 | ☁️ Overcast | 84° / 67° | 18% | 9 mph | 6 |
| Sun, Aug 30 | ☁️ Overcast | 88° / 67° | 18% | 6 mph | 6 |
| Mon, Aug 31 | ☁️ Overcast | 90° / 70° | 17% | 11 mph | 7 |
| Tue, Sep 1 | ⛈️ Thunderstorm | 98° / 73° | 17% · 0,1 in | 13 mph | 7 |
| Wed, Sep 2 | 🌦️ Light drizzle | 98° / 81° | 17% · 0,0 in | 13 mph | 6 |
| Thu, Sep 3 | 🌦️ Drizzle | 91° / 70° | 16% · 0,1 in | 10 mph | 6 |
| Fri, Sep 4 | ⛈️ Thunderstorm | 82° / 68° | 16% · 0,4 in | 9 mph | 4 |
| Sat, Sep 5 | ☁️ Overcast | 88° / 72° | 17% | 6 mph | 6 |
What this means for Philadelphia County
Today is cooler than average for August. The forecast high of 77°F is 7.6°F below the 84°F typical for this month.
Rain is very unlikely today - plans do not need a backup.
No weather-related travel disruption is expected today. Roads and airports should run normally.
Northern Hemisphere, so peak summer falls in June to August.
The gap between the warmest and coldest month averages 80°F.
See the Philadelphia County forecast by time range
Philadelphia County weather - more answers
Explore Philadelphia County
Every topic we hold for this place, and the same topic for the places around it.
Weather for related places
Frequently asked questions
Where is Philadelphia County?
Philadelphia County is a county in Pennsylvania. Its coordinates are 39.9526, -75.1652. It lies in North America.
What is the weather like in Philadelphia County right now?
It is currently 71°F (22°C) with clear sky. Humidity is 74% and wind is 5 mph.
When is the best time to visit Philadelphia County?
June, July, August, September and October offer the most comfortable conditions in Philadelphia County, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Philadelphia County in?
Philadelphia County observes America/New_York (UTC-04:00). The local time is 11:13 AM.
How many people live in Philadelphia County?
Philadelphia County has a population of approximately 1.6 million.
What is the nearest airport to Philadelphia County?
The closest airports are Philadelphia International Airport (PHL), 7 mi away, Newark Liberty International Airport (EWR), 73 mi away and John F. Kennedy International Airport (JFK), 87 mi away.
What are the top things to do in Philadelphia County?
Popular options include Statue of Liberty (UNESCO World Heritage Site), Statue of Liberty, Hudson River, Empire State Building, Times Square and Central Park.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts. |
|---|---|
| Forecast and observations | Open-Meteo (ECMWF and national models). |
| Air quality and pollen | Copernicus CAMS via Open-Meteo. US AQI scale. |
| Climate averages | ERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years. |
| Official alerts | US National Weather Service. |
| Method | Scores, comparisons and advice on this page are computed from the inputs above. Distances are straight-line. Nothing is estimated where data is missing - the block is simply not shown. |
Last updated August 21, 2026 at 11:13 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
