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Philadelphia

Water Temperature in Philadelphia in Delaware River: Current and Forecast

On this page, you will find comprehensive information about the water temperature in Philadelphia in Delaware River, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Philadelphia

26.5°C

TODAY

27.2°C

YESTERDAY

27.4°C

A WEEK AGO

As of today, the minimum water temperature in Philadelphia ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays.

It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for Delaware River in Philadelphia Over the Last 30 Days

Today the water temperature in Philadelphia is higher than the same day in previous years. The water temperature range here in August is from 17°C to 28°C. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Philadelphia are presented in the table below.

The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.

Table of Daily Water Temperature Data

DateCurrentAverageForecast
Jul 3127.4°C22.5°C
Aug 127.5°C22.5°C
Aug 227.5°C22.5°C
Aug 327.3°C22.5°C
Aug 427.3°C22.5°C
Aug 527.2°C22.5°C
Aug 627.2°C22.5°C
Aug 726.5°C22.5°C
Aug 822.5°C26.1°C
Aug 922.5°C25.7°C
Aug 1022.5°C25.4°C
Aug 1122.5°C25.1°C
Aug 1222.5°C24.8°C
Aug 1322.5°C24.6°C
Aug 1422.5°C24.4°C
Aug 1522.5°C24.2°C
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Philadelphia by Month

January

MinimumAverageMaximum
0°C4.5°C9°C

February

MinimumAverageMaximum
0°C4.5°C9°C

March

MinimumAverageMaximum
3°C6.7°C11°C

April

MinimumAverageMaximum
5°C11°C17°C

May

MinimumAverageMaximum
8°C13.4°C21°C

June

MinimumAverageMaximum
14°C20.5°C27°C

July

MinimumAverageMaximum
17°C22.5°C28°C

August

MinimumAverageMaximum
17°C22.5°C28°C

September

MinimumAverageMaximum
11°C17.6°C19°C

October

MinimumAverageMaximum
8°C13.3°C16°C

November

MinimumAverageMaximum
3°C8.1°C16°C

December

MinimumAverageMaximum
3°C4.7°C8°C

Monthly Water Temperature Histogram for Delaware River in Philadelphia

Known Beaches in the Area of Philadelphia?

Schuylkill Beach

Schuylkill Beach is a 1-stars sandy beach, located in a 5 km (3 miles) radius of Philadelphia.

Philadelphia Weather

AUGUST 7

19°C / 29°C
overcast

rain: 4% | wind: 20 km/h

AUGUST 8

16°C / 29°C
mainly clear

rain: 1% | wind: 16 km/h

AUGUST 9

16°C / 30°C
overcast

rain: 3% | wind: 16 km/h

AUGUST 10

18°C / 34°C
overcast

rain: 3% | wind: 12 km/h

AUGUST 11

21°C / 34°C
overcast

rain: 6% | wind: 11 km/h

Water Temperature in Philadelphia: General Trends and Swimming Opportunities

In Philadelphia, the Delaware River serves as a significant waterway, but it is not commonly used for swimming. The water temperature in the Delaware River near Philadelphia varies throughout the year. In winter, the water can be quite cold, with temperatures dropping to around 40°F (4°C), while during the summer, the river's water temperature can reach around 70°F (21°C). Despite the warmer temperatures in the summer, the river is often too cold and unpredictable for safe swimming.

Swimming in the Delaware River near Philadelphia is not recommended due to several factors. The river has strong currents and occasional tides, which can be hazardous for swimmers. The water quality can also be a concern, as the river serves as a major transportation route and industrial hub, which sometimes leads to contamination from runoff and waste. While there are designated spots along the river for recreational activities like kayaking and boating, the Delaware is not typically considered a safe or pleasant location for swimming.

For those looking to swim in Philadelphia, there are various public swimming pools, beaches, and water parks that offer much safer and more controlled environments. The city’s recreational areas, such as the Schuylkill River Trail, provide alternatives for outdoor activities, but the Delaware River itself remains unsuitable for recreational swimming due to the strong currents, lower water temperatures, and occasional water quality concerns.

Geographical Location of Philadelphia

Frequently Asked Questions About Philadelphia and its Water Temperatures

What is the current water temperature in Philadelphia?

The water temperature today in Philadelphia is 80°F (26.5°C).

What is the water temperature in Philadelphia during the summer months?

The average water temperature in Philadelphia during the summer months is typically between 65°F to 71°F (19°C to 21°C), and it can reach up to 75°F (24°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Philadelphia in May?

The average water temperature in Philadelphia in May ranges from 46°F to 70°F (8°C to 21°C).

What is the water temperature in Philadelphia in September?

The average water temperature in Philadelphia in September is typically between 52°F to 66°F (11°C to 19°C).

Is it possible to swim in the Delaware River in Philadelphia, and what are the available options for doing so?

Yes, swimming in the Delaware River in Philadelphia is possible. Options include designated swimming areas in certain parks, such as Neshaminy State Park, or joining organized events like river swims.