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 18.21°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.

64.8

°F

August 6, 06:55

Trend:

stable

Yesterday:

64.9°F

Tomorrow:

64.9°F

Sunrise:

05:44

Sunset:

20:47

Day Length:

15 h. 3 min.

Portland in August

Minimum:

49.0°F

Average:

50.5°F

Maximum:

52.1°F

Sea water temperature in Portland today

As of now, in Portland, the water temperature is 64.8°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 1.3°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

Today's reading indicates a minor change compared to the average water temperature of the last two weeks, but the overall trend remains steady. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 65.8°F on 2018, while the historical minimum was 61.5°F on 2015.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the highest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 65.1°F, with minimum temperature starting at 64.9°F, while the maximum might reach 65.3°F.

Daily water temperature in Portland

Date	Current Year actual* / forecast**	last year	10 years average
Jul 23	64.4°F	63.1°F	62.9°F
Jul 24	64.5°F	62.8°F	63.0°F
Jul 25	64.2°F	62.8°F	63.1°F
Jul 26	64.7°F	62.6°F	63.1°F
Jul 27	64.6°F	63.1°F	63.2°F
Jul 28	64.8°F	62.9°F	63.2°F
Jul 29	64.9°F	63.5°F	63.2°F
Jul 30	65.2°F	63.7°F	63.3°F
Jul 31	65.2°F	63.8°F	63.3°F
Aug 1	65.2°F	64.1°F	63.5°F
Aug 2	64.9°F	64.9°F	63.6°F
Aug 3	65.4°F	65.2°F	63.7°F
Aug 4	64.7°F	64.1°F	63.6°F
Aug 5	64.9°F	64.7°F	63.6°F
Aug 6	64.8°F	64.4°F	63.5°F
Aug 7	64.9°F	64.6°F	63.6°F
Aug 8	65.1°F	64.5°F	63.8°F
Aug 9	65.1°F	64.4°F	63.8°F
Aug 10	65.2°F	64.5°F	63.9°F
Aug 11	65.1°F	64.4°F	63.8°F
Aug 12	65.3°F	64.6°F	64.0°F
Aug 13	65.3°F	64.6°F	64.0°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	67.2°F	62mi
Barry	67.4°F	68mi
Cardiff	67.6°F	71mi
Cherbourg-Octeville	65.0°F	74mi

* current water temperature in this city

** straight line distance from Portland