Philadelphia Weather Forecast
Philadelphia weather: 66°F, mainly clear. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.
Summary
Philadelphia is a city in Pennsylvania. Philadelphia is known for Liberty Bell and cheesesteaks. It has a population of about 1.6 million.
Right now it is 66°F (19°C) in Philadelphia with mainly clear. It feels like 67°F. Today runs from 63°F to 76°F. Chance of precipitation is 4%. Sightseeing conditions score 9.6/10 - excellent - go now.
The best time to visit Philadelphia is June, July, August, September and October. The climate is continental. January, February and December tend to be the least comfortable months. July is the warmest month with average highs near 88°F, while January is the coldest with lows near 25°F.
The closest major airport is Philadelphia International Airport (PHL), about 7 mi away. Nearby highlights include Statue of Liberty (UNESCO World Heritage Site), Statue of Liberty, Hudson River and Empire State Building.
In plain terms. Today is cooler than average for August. The forecast high of 76°F is 7.9°F below the 84°F typical for this month. The best window to be outside is roughly 10 AM to 1 PM, when temperature, rain chance and wind line up best. photography is the strongest bet in Philadelphia today at 9.7/10. No weather-related travel disruption is expected today. Roads and airports should run normally.
Compiled from this page's own data: atlas facts plus live Open-Meteo readings.
Weather in Philadelphia right now
Source: Open-Meteo. Updated 7:48 AM, Aug 21 local time.
See the Philadelphia forecast by time range
Next 24 hours
Hour-by-hour temperature, precipitation chance and wind.
16-day forecast for Philadelphia
Daily highs and lows, precipitation and UV.
| Day | Conditions | High / Low | Precip | Wind | UV |
|---|---|---|---|---|---|
| Fri, Aug 21 | ☁️ Overcast | 76° / 63° | 4% | 9 mph | 7 |
| Sat, Aug 22 | 🌧️ Rain | 74° / 66° | 60% · 0,2 in | 9 mph | 3 |
| Sun, Aug 23 | 🌦️ Drizzle | 84° / 69° | 49% · 0,0 in | 11 mph | 7 |
| Mon, Aug 24 | ☀️ Clear sky | 82° / 66° | 3% | 13 mph | 7 |
| Tue, Aug 25 | ☁️ Overcast | 84° / 66° | 0% | 10 mph | 7 |
| Wed, Aug 26 | ☁️ Overcast | 89° / 69° | 22% | 11 mph | 7 |
| Thu, Aug 27 | ⛈️ Thunderstorm | 76° / 71° | 49% · 0,5 in | 7 mph | 3 |
| Fri, Aug 28 | ☁️ Overcast | 89° / 69° | 39% | 12 mph | 7 |
| Sat, Aug 29 | ☁️ Overcast | 84° / 71° | 14% | 10 mph | 7 |
| Sun, Aug 30 | ⛅ Partly cloudy | 84° / 66° | 32% | 8 mph | 7 |
| Mon, Aug 31 | 🌦️ Light drizzle | 82° / 69° | 31% · 0,0 in | 8 mph | 4 |
| Tue, Sep 1 | 🌧️ Heavy drizzle | 82° / 70° | 25% · 0,3 in | 8 mph | 5 |
| Wed, Sep 2 | ☁️ Overcast | 89° / 70° | 23% | 8 mph | 6 |
| Thu, Sep 3 | ☁️ Overcast | 93° / 74° | 19% | 4 mph | 6 |
| Fri, Sep 4 | 🌦️ Drizzle | 90° / 73° | 24% · 0,1 in | 9 mph | 6 |
| Sat, Sep 5 | ☀️ Clear sky | -- / -- | 26% | -- | — |
Climate in Philadelphia month by month
Average high, average low and total rainfall, based on three years of reanalysis data.
| Month | Avg high | Avg low | Rainfall | Rating |
|---|---|---|---|---|
| January | 38° | 25° | 3,5 in | ★★☆☆☆ |
| February | 42° | 27° | 2,4 in | ★★☆☆☆ |
| March | 57° | 38° | 5,3 in | ★★★☆☆ |
| April | 66° | 46° | 3,3 in | ★★★★☆ |
| May | 73° | 56° | 5,0 in | ★★★★☆ |
| June | 85° | 66° | 3,1 in | ★★★★☆ |
| July | 88° | 71° | 4,5 in | ★★★★☆ |
| August | 84° | 67° | 3,4 in | ★★★★☆ |
| September | 79° | 62° | 3,6 in | ★★★★☆ |
| October | 69° | 51° | 1,8 in | ★★★★☆ |
| November | 56° | 40° | 2,6 in | ★★★☆☆ |
| December | 44° | 31° | 4,4 in | ★★☆☆☆ |
Climate type: Continental. Source: Open-Meteo archive (ERA5).
Weather map for Philadelphia
Animated model layers. Pick a layer to load it.
Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.
Air quality and pollen in Philadelphia
Air quality: Open-Meteo (CAMS). US AQI scale.
Sun, twilight and moon
Golden and blue hour are the standard photographic approximation around sunrise and sunset.
Best time to visit Philadelphia
Go in June, July, August, September and October. These months score highest on comfortable temperatures, low rainfall and useful daylight.
Hardest months: January, February and December - expect the least comfortable mix of heat, cold or rain.
Weather by airport in Philadelphia
1 airports mapped in this atlas
Weather by zip / postal code in Philadelphia
1 zip and postal codes mapped in this atlas
Explore Philadelphia
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?
Philadelphia is a city in Pennsylvania. Its coordinates are 39.9526, -75.1652. It lies in North America.
What is the weather like in Philadelphia right now?
It is currently 66°F (19°C) with mainly clear. Humidity is 88% and wind is 6 mph.
When is the best time to visit Philadelphia?
June, July, August, September and October offer the most comfortable conditions in Philadelphia, which has a continental climate. January, February and December are usually the hardest months for outdoor plans.
What time zone is Philadelphia in?
Philadelphia observes America/New_York (UTC-04:00). The local time is 7:48 AM.
How many people live in Philadelphia?
Philadelphia has a population of approximately 1.6 million.
What is the nearest airport to Philadelphia?
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?
Popular options include Statue of Liberty (UNESCO World Heritage Site), Statue of Liberty, Hudson River, Empire State Building, Times Square and Central Park.
What places are in Philadelphia?
Philadelphia covers 2 places in this atlas, including Philadelphia International Airport and ZIP Code 19103.
Related articles
Data sources and methodology
| Place data | USPOTUS Atlas dataset (cities-us) - 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 7:48 AM local time. Live blocks refresh every 15 minutes; climate averages monthly.
