County in Pennsylvania

Philadelphia County Weather Forecast

Philadelphia County weather: 76°F, overcast. Hourly forecast, 14-day outlook, UV, air quality and the best time to visit.

☁️ 76°F now🕔 9:06 PM local📅 Best: June, July, August, September and October👥 1.6 million

Philadelphia County weather in January

38°
average high · low 25°F
★★☆☆☆
ranked #12 of 12 months

One of the harder months here - go in with a plan.

Average high38°F
Average low25°F
Mean31°F
Rainfall3,5 in

January runs 57°F cooler than the annual average in Philadelphia County.

Compare with December or February.

Weather map for Philadelphia County

Animated model layers. Pick a layer to load it.

Loading map…

Animated layers by Windy. For pin-level detail and nearby places, see the interactive map below.

Climate in Philadelphia County month by month

Average high, average low and total rainfall, based on three years of reanalysis data.

JanFebMarAprMayJunJulAugSepOctNovDecLine: average high · Bars: rainfall
MonthAvg highAvg lowRainfallRating
January38°25°3,5 in★★☆☆☆
February42°27°2,4 in★★☆☆☆
March57°38°5,3 in★★★☆☆
April66°46°3,3 in★★★★
May73°56°5,0 in★★★★
June85°66°3,1 in★★★★
July88°71°4,5 in★★★★
August84°67°3,4 in★★★★
September79°62°3,6 in★★★★
October69°51°1,8 in★★★★
November56°40°2,6 in★★★☆☆
December44°31°4,4 in★★☆☆☆

Climate type: Continental. Source: Open-Meteo archive (ERA5).

Best time to visit Philadelphia County

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.

January★★☆☆☆
February★★☆☆☆
March★★★☆☆
April★★★★
May★★★★
June★★★★
July★★★★
August★★★★
September★★★★
October★★★★
November★★★☆☆
December★★☆☆☆

What to pack, what to skip

Pack for the next 7 days
  • Lightweight, light-coloured clothing and a refillable water bottle
  • Sunglasses, a brimmed hat and SPF 30+
Worth avoiding
  • If your dates are flexible, avoid January, February and December - historically the least comfortable months here.

How Philadelphia County compares with nearby places

Annual averages, and the difference against Philadelphia County.

PlaceDistanceAvg tempvs hereAnnual rain
Philadelphia0 mi56°Fabout the same43 in
ZIP Code 191030 mi56°Fabout the same43 in
Philadelphia International Airport7 mi56°Fabout the same44 in
New Jersey28 mi56°Fabout the same41 in
Delaware58 mi57°F+33°F warmer43 in

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 76°F (24°C) with overcast. Humidity is 68% 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 9:06 PM.

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 dataUSPOTUS Atlas dataset (us-counties) - coordinates, hierarchy and facts.
Forecast and observationsOpen-Meteo (ECMWF and national models).
Air quality and pollenCopernicus CAMS via Open-Meteo. US AQI scale.
Climate averagesERA5 reanalysis via the Open-Meteo archive, aggregated over 3 years.
Official alertsUS National Weather Service.
MethodScores, 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 26, 2026 at 9:06 PM local time. Live blocks refresh every 15 minutes; climate averages monthly.

Davil Hofile
Written byWriter at USPOTUS

Davil Hofile is a writer at USPOTUS covering breaking news, NFL updates, viral stories, entertainment, pets, and lifestyle. He specializes in transforming complex news into clear, trustworthy, and engaging articles that help readers quickly understand what's happening across the United States. His reporting follows Google's E-E-A-T guidelines, emphasizing accuracy, credible sources, and practical value for readers.

More from Davil Hofile