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 17.28°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.

63.1

°F

September 19, 09:10

Trend:

increasing

Yesterday:

62.9°F

Tomorrow:

63.2°F

Sunrise:

06:51

Sunset:

19:16

Day Length:

12 h. 25 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 63.1°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 0.3°F lower than the average recorded on this particular day in recent years. Since yesterday, there was a slight increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

Today's water temperature is considerably lower than the average registered over the last two weeks, indicating a slight cooling trend. It also aligns closely with the historical average temperature for this date, indicating a typical climate pattern. The maximum temperature recorded for this date was 65.0°F on 2023, while the historical minimum was 61.0°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 62.9°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
Sep 5	65.0°F	64.7°F	64.2°F
Sep 6	64.9°F	64.6°F	64.1°F
Sep 7	65.1°F	64.5°F	64.2°F
Sep 8	65.2°F	64.3°F	64.2°F
Sep 9	65.4°F	64.1°F	64.3°F
Sep 10	65.0°F	64.2°F	64.3°F
Sep 11	64.9°F	63.8°F	64.0°F
Sep 12	64.4°F	63.3°F	63.9°F
Sep 13	64.1°F	63.0°F	63.8°F
Sep 14	63.9°F	62.9°F	63.7°F
Sep 15	63.5°F	62.7°F	63.6°F
Sep 16	63.3°F	62.7°F	63.6°F
Sep 17	63.0°F	63.2°F	63.5°F
Sep 18	62.9°F	63.3°F	63.5°F
Sep 19	63.1°F	63.1°F	63.4°F
Sep 20	63.2°F	63.5°F	63.5°F
Sep 21	63.1°F	63.5°F	63.4°F
Sep 22	62.9°F	63.7°F	63.3°F
Sep 23	62.8°F	63.5°F	63.1°F
Sep 24	62.7°F	63.3°F	63.0°F
Sep 25	62.7°F	63.3°F	63.0°F
Sep 26	62.7°F	63.1°F	63.1°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 60.3°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Bristol	61.1°F	62mi
Barry	62.3°F	68mi
Cardiff	61.9°F	71mi
Cherbourg-Octeville	63.7°F	74mi

* current water temperature in this city

** straight line distance from Portland