What is the current water temperature in Portland?

Q: What is the current water temperature in Portland?

As of now, in Portland, the water temperature is 18.85°C. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it.

United Kingdom > Portland

Water temperature in Portland

Detailed information about the current water temperature in Portland. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

65.9

°F

August 29, 03:04

Trend:

stable

Yesterday:

66.0°F

Tomorrow:

65.9°F

Sunrise:

06:19

Sunset:

20:02

Day Length:

13 h. 43 min.

Portland in September

Minimum:

48.4°F

Average:

50.2°F

Maximum:

51.7°F

Sea water temperature in Portland today

As of now, in Portland, the water temperature is 65.9°F. Swimming in water of this temperature is generally concidered to be cool, and most people won't really enjoy it. Today's reading is 1.7°F higher than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 66.6°F on 2022, while the historical minimum was 62.6°F on 2015.

latest data

last year

The water temperature over the last two weeks displayed soome variability. While the two week average stayed close to the historical average, there were some days when the temperature was close to the maximum recorded over the past years. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 65.8°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Portland

Date	Current Year actual* / forecast**	last year	10 years average
Aug 15	65.7°F	64.8°F	64.2°F
Aug 16	65.6°F	64.9°F	64.3°F
Aug 17	65.7°F	65.4°F	64.3°F
Aug 18	65.3°F	65.2°F	64.3°F
Aug 19	65.1°F	64.8°F	64.1°F
Aug 20	65.1°F	64.2°F	64.0°F
Aug 21	65.4°F	65.2°F	64.1°F
Aug 22	65.4°F	65.1°F	64.2°F
Aug 23	65.3°F	64.8°F	64.2°F
Aug 24	65.4°F	64.8°F	64.2°F
Aug 25	65.8°F	64.3°F	64.1°F
Aug 26	66.3°F	64.1°F	64.3°F
Aug 27	66.8°F	64.3°F	64.5°F
Aug 28	66.0°F	65.4°F	64.2°F
Aug 29	65.9°F	64.5°F	64.2°F
Aug 30	65.9°F	64.5°F	64.2°F
Aug 31	65.9°F	64.4°F	64.2°F
Sep 1	65.8°F	64.5°F	64.1°F
Sep 2	65.8°F	64.3°F	64.1°F
Sep 3	65.8°F	64.2°F	64.0°F
Sep 4	65.8°F	64.6°F	64.1°F
Sep 5	65.9°F	64.7°F	64.1°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Portland by month

In an average year, Portland offers no days when the water temperature is warm enough to swim comfortably.

The warmest water in Portland was recorded on September 3, 2022, reaching a 67.0°F. While the coldest temperature occurred on March 5, 2018, dipping to 43.9°F. The average readings by season are 49.7°F in Winter, 50.1°F in Spring, 61.4°F in Summer, and 60.2°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bristol	66.8°F	62mi
Barry	67.3°F	68mi
Cardiff	67.2°F	71mi
Cherbourg-Octeville	66.6°F	74mi

* current water temperature in this city

** straight line distance from Portland