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Sea Temperature in Portsmouth in October
Complete information on the sea temperature range in the Atlantic Ocean in Portsmouth in October. Historical daily data. Climate details for October. Tips on swimming conditions and beach relaxation in Portsmouth. 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 Portsmouth in October
61°F
MINIMUN
69°F
AVERAGE
77°F
MAXIMUM
Historical Data of Water Temperature in October in Portsmouth
Water Temperature Chart for Atlantic Ocean in Portsmouth in October
Sea Temperature Table in Portsmouth in October Over the Past Years
| Day | 2024 | 2023 | 2022 | Average |
|---|---|---|---|---|
| Oct 1 | 73°C | 73°C | 73°C | 73°C |
| Oct 2 | 73°C | 73°C | 73°C | 73°C |
| Oct 3 | 75°C | 72°C | 73°C | 74°C |
| Oct 4 | 73°C | 72°C | 73°C | 73°C |
| Oct 5 | 75°C | 72°C | 73°C | 74°C |
| Oct 6 | 77°C | 72°C | 73°C | 74°C |
| Oct 7 | 73°C | 72°C | 73°C | 73°C |
| Oct 8 | 73°C | 72°C | 73°C | 73°C |
| Oct 9 | 73°C | 70°C | 73°C | 73°C |
| Oct 10 | 73°C | 70°C | 73°C | 72°C |
| Oct 11 | 73°C | 70°C | 75°C | 73°C |
| Oct 12 | 73°C | 70°C | 75°C | 72°C |
| Oct 13 | 73°C | 72°C | 73°C | 72°C |
| Oct 14 | 73°C | 72°C | 73°C | 72°C |
| Oct 15 | 73°C | 70°C | 73°C | 72°C |
| Oct 16 | 72°C | 70°C | 72°C | 71°C |
| Oct 17 | 70°C | 70°C | 72°C | 70°C |
| Oct 18 | 70°C | 68°C | 72°C | 69°C |
| Oct 19 | 70°C | 68°C | 72°C | 69°C |
| Oct 20 | 68°C | 66°C | 70°C | 68°C |
| Oct 21 | 68°C | 68°C | 70°C | 68°C |
| Oct 22 | 70°C | 68°C | 70°C | 68°C |
| Oct 23 | 68°C | 68°C | 70°C | 68°C |
| Oct 24 | 70°C | 68°C | 70°C | 69°C |
| Oct 25 | 70°C | 68°C | 70°C | 69°C |
| Oct 26 | 70°C | 70°C | 70°C | 69°C |
| Oct 27 | 68°C | 68°C | 70°C | 68°C |
| Oct 28 | 68°C | 68°C | 70°C | 68°C |
| Oct 29 | 68°C | 66°C | 70°C | 67°C |
| Oct 30 | 66°C | 68°C | 68°C | 67°C |
Portsmouth Climate and Swimming Opportunities in October
68°F
Average Day Air Temperature
55°F
Average Night Air Temperature
3 in
Precipitation Amount per Month
8 days
Number of Rainy Days
11 hrs
Daylight
per Day
7 hrs
Sunshine
per Day
9 mph
Average Wind Speed
73%
Average
humidity
Portsmouth lies within the Virginia in United States. The average daytime temperature in Portsmouth in October is 67°F (20°C), while the nighttime average is 55°F (13°C). There are typically eight rainy days during the month, with a total precipitation of 3.3 inches (84 mm). The daylight duration in October in Portsmouth is 11 hours, with an average of 7 hours of sunshine per day. The average wind speed in October is 9 mph (14 km/h), and the humidity level is around 73%.
The water temperature in Portsmouth in October ranges from 66°F to 73°F (19°C to 23°C). At the beginning of the month, the average temperature is around 73°F (23°C), shifting to 72°F (22°C) by mid-October and reaching 68°F (20°C) in the last ten days. Overall, the average sea temperature in Portsmouth for October is 70°F (21°C).
Sea Temperature in October in Nearby Cities
Frequently Asked Questions About Water Temperatures in October in Portsmouth
What is the sea temperature in Portsmouth in October?
The water temperature in the Atlantic Ocean in Portsmouth in October ranges from 66°F to 73°F (19°C to 23°C).
Is it possible to swim in the Atlantic Ocean in Chincoteague in October?
The average sea temperature in Chincoteague in October is 68°F (20°C), and the air temperature is 67°F (20°C), so ideal conditions for a refreshing swim, though some may still find it a bit cool.