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Water Temperature in Arlington in Potomac River: Current and Forecast

On this page, you will find comprehensive information about the water temperature in Arlington in Potomac 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 Arlington

78°F

TODAY

80°F

YESTERDAY

80°F

A WEEK AGO

As of today, the minimum water temperature in Arlington ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health.

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 Potomac River in Arlington Over the Last 30 Days

Today the water temperature in Arlington is higher than the same day in previous years. The water temperature range here in July is from 63°F to 84°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Arlington 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 2380°F73°F
Jul 2479°F73°F
Jul 2579°F73°F
Jul 2676°F73°F
Jul 2776°F73°F
Jul 2880°F73°F
Jul 2980°F73°F
Jul 3078°F73°F
Jul 3173°F78°F
Aug 171°F77°F
Aug 271°F76°F
Aug 371°F76°F
Aug 471°F75°F
Aug 571°F75°F
Aug 671°F74°F
Aug 771°F74°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Arlington by Month

January

MinimumAverageMaximum
36°F42°F48°F

February

MinimumAverageMaximum
36°F42°F48°F

March

MinimumAverageMaximum
37°F48°F59°F

April

MinimumAverageMaximum
41°F53°F64°F

May

MinimumAverageMaximum
46°F56°F70°F

June

MinimumAverageMaximum
57°F66°F75°F

July

MinimumAverageMaximum
63°F73°F84°F

August

MinimumAverageMaximum
63°F71°F73°F

September

MinimumAverageMaximum
52°F64°F66°F

October

MinimumAverageMaximum
46°F56°F61°F

November

MinimumAverageMaximum
37°F47°F61°F

December

MinimumAverageMaximum
37°F40°F46°F

Monthly Water Temperature Histogram for Potomac River in Arlington

Arlington Weather

JULY 31

70°F / 95°F
moderate rain showers

rain: 57% | wind: 10 mph

AUGUST 1

63°F / 73°F
moderate rain showers

rain: 58% | wind: 10 mph

AUGUST 2

61°F / 81°F
light drizzle

rain: 28% | wind: 10 mph

AUGUST 3

57°F / 82°F
overcast

rain: 3% | wind: 8 mph

AUGUST 4

61°F / 82°F
overcast

rain: 6% | wind: 7 mph

Water Temperature in Arlington: General Trends and Swimming Opportunities

Arlington, Virginia, is situated along the Potomac River, offering beautiful views and recreational opportunities along its banks. The water temperature in the Potomac River near Arlington varies throughout the year. During the warmer months, water temperatures can rise to around 70°F to 75°F (21°C to 24°C), providing a more comfortable environment for activities like kayaking, canoeing, and fishing. However, swimming in the Potomac River is not a common activity in Arlington due to concerns over water quality, currents, and safety, particularly in the more urbanized stretches of the river.

Although the Potomac River is not typically used for swimming in Arlington, there are several other water recreation options in the area. Arlington's proximity to the river makes it a great spot for enjoying the waterfront through scenic walks, parks, and biking trails along the riverbanks. For those looking for swimming opportunities, public pools in Arlington maintain water temperatures between 78°F and 82°F (25°C to 28°C), making them ideal for swimming in a controlled environment during the summer. Additionally, nearby lakes and other regional bodies of water may offer better conditions for swimming and outdoor activities.

Geographical Location of Arlington

Frequently Asked Questions About Arlington and its Water Temperatures

What is the current water temperature in Arlington?

The water temperature today in Arlington is 78°F (25.7°C).

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

The average water temperature in Arlington 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 Arlington in May?

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

What is the water temperature in Arlington in September?

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

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

Yes, it is possible to swim in the Potomac River in Arlington, though it's not recommended due to water quality concerns. There are no officially designated swimming areas, so any swim is undertaken at one's own risk.