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Oceanside in October

Find out everything about the water temperature in Oceanside in October. Average, minimum and maximum recorded temperatures as well as daily temperature in October for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in October
Minimum:

61.7 °F

Average:

68.5 °F

Maximum:

74.7 °F

Sea water temperature in Oceanside in October

In the city of Oceanside, the month of October is somewhat comfortable for swimming. The minimum recorded temperature during this month was 61.7°F on October 16, 2021, with an average temperature being 68.5°F and a maximum temperature reaching 74.7°F on October 1, 2015.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In October, the sea temperature remains relatively stable. The average temperature stays close to 68.5°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Oct 1 69.7°F 64.5°F 69.6°F
Oct 2 69.4°F 64.0°F 69.0°F
Oct 3 69.4°F 64.2°F 68.4°F
Oct 4 69.4°F 64.9°F 67.9°F
Oct 5 69.3°F 64.9°F 67.2°F
Oct 6 69.5°F 65.6°F 68.1°F
Oct 7 69.3°F 65.7°F 68.2°F
Oct 8 69.2°F 65.3°F 69.2°F
Oct 9 69.2°F 65.3°F 69.0°F
Oct 10 69.1°F 65.4°F 68.4°F
Oct 11 69.0°F 65.3°F 67.8°F
Oct 12 68.8°F 64.0°F 67.8°F
Oct 13 68.5°F 64.2°F 67.1°F
Oct 14 68.3°F 64.5°F 67.4°F
Oct 15 68.4°F 64.6°F 68.0°F
Oct 16 68.1°F 64.2°F 67.0°F
Oct 17 68.1°F 64.6°F 67.4°F
Oct 18 68.0°F 65.2°F 67.2°F
Oct 19 68.1°F 64.6°F 67.7°F
Oct 20 68.1°F 65.1°F 66.9°F
Oct 21 68.2°F 64.9°F 66.7°F
Oct 22 68.4°F 65.0°F 66.1°F
Oct 23 68.7°F 65.6°F 67.6°F
Oct 24 68.5°F 65.0°F 67.7°F
Oct 25 68.3°F 64.7°F 67.4°F
Oct 26 68.0°F 64.7°F 66.8°F
Oct 27 67.8°F 65.2°F 67.3°F
Oct 28 67.6°F 65.9°F 67.1°F
Oct 29 67.6°F 65.8°F 67.1°F
Oct 30 67.4°F 64.5°F 66.7°F
Oct 31 67.3°F 64.9°F 65.9°F

Sea water temperature in Oceanside by month

In an average year, Oceanside offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Oceanside was recorded on August 11, 2018, reaching a 79.1°F. While the coldest temperature occurred on April 7, 2023, dipping to 55.0°F. The average readings by season are 60.5°F in Winter, 61.8°F in Spring, 69.9°F in Summer, and 68.2°F in Autumn. October's average temperature is a slight drop from September's average of 71.5°F. In November, the temperature is expected to decrease further, potentially averaging around 64.6°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Laguna Beach 59.8°F 33mi
San Diego 56.8°F 35mi
Tijuana 56.6°F 53mi
Long Beach 58.8°F 61mi

* current water temperature in this city

** straight line distance from Oceanside