Sea Temperature in Portland in October

Complete information on the sea temperature range in the English Channel in Portland in October. Historical daily data. Climate details for October. Tips on swimming conditions and beach relaxation in Portland. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Portland in October

57°F

MINIMUN

62°F

AVERAGE

66°F

MAXIMUM

Historical Data of Water Temperature in October in Portland

Water Temperature Chart for English Channel in Portland in October

Sea Temperature Table in Portland in October Over the Past Years

Day	2024	2023	2022	Average
Oct 1	63°C	63°C	59°C	62°C
Oct 2	63°C	63°C	59°C	62°C
Oct 3	61°C	63°C	59°C	61°C
Oct 4	63°C	63°C	61°C	62°C
Oct 5	63°C	61°C	57°C	60°C
Oct 6	63°C	61°C	63°C	62°C
Oct 7	61°C	61°C	57°C	60°C
Oct 8	61°C	61°C	57°C	60°C
Oct 9	63°C	61°C	63°C	62°C
Oct 10	63°C	61°C	61°C	61°C
Oct 11	61°C	61°C	61°C	61°C
Oct 12	63°C	61°C	57°C	60°C
Oct 13	63°C	61°C	61°C	61°C
Oct 14	61°C	59°C	57°C	59°C
Oct 15	61°C	61°C	59°C	60°C
Oct 16	61°C	59°C	59°C	60°C
Oct 17	61°C	59°C	59°C	60°C
Oct 18	61°C	59°C	57°C	60°C
Oct 19	61°C	59°C	61°C	60°C
Oct 20	61°C	59°C	57°C	59°C
Oct 21	61°C	59°C	61°C	60°C
Oct 22	61°C	59°C	61°C	60°C
Oct 23	61°C	59°C	61°C	60°C
Oct 24	61°C	59°C	57°C	59°C
Oct 25	59°C	59°C	61°C	60°C
Oct 26	63°C	59°C	63°C	61°C
Oct 27	63°C	59°C	57°C	60°C
Oct 28	61°C	59°C	63°C	60°C
Oct 29	61°C	59°C	61°C	60°C
Oct 30	63°C	57°C	61°C	60°C

Portland Climate and Swimming Opportunities in October

59°F

Average Day Air Temperature

48°F

Average Night Air Temperature

4 in

Precipitation Amount per Month

13 days

Number of Rainy Days

11 hrs

Daylight
per Day

4 hrs

Sunshine
per Day

12 mph

Average Wind Speed

89%

Average
humidity

Portland lies within the England in United Kingdom. The average daytime temperature in Portland in October is 15°C (59°F), while the nighttime average is 9°C (48°F). There are typically 13 rainy days during the month, with a total precipitation of 96 mm (3.8 inches). The daylight duration in October in Portland is 11 hours, with an average of 4 hours of sunshine per day. The average wind speed in October is 20 km/h (12 mph), and the humidity level is around 89%.

The water temperature in Portland in October ranges from 15°C to 16°C (59°F to 61°F). At the beginning of the month, the average temperature is around 16°C (61°F), shifting to 16°C (61°F) by mid-October and reaching 16°C (61°F) in the last ten days. Overall, the average sea temperature in Portland for October is 16°C (61°F).

Sea Temperature in October in Nearby Cities

Frequently Asked Questions About Water Temperatures in October in Portland

What is the sea temperature in Portland in October?

The water temperature in the English Channel in Portland in October ranges from 15°C to 16°C (59°F to 61°F).

Is it possible to swim in the Celtic Sea in Porthleven in October?

The average sea temperature in Porthleven in October is 15°C (59°F), and the air temperature is 17°C (62°F), so ideal conditions for a refreshing swim, though some may still find it a bit cool.