All data are in degrees Fahrenheit

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Water temperature in Astoria

Detailed information about the current water temperature in Astoria. 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.
Sea temperature in Astoria now

65.0

°F

August 16, 06:52

Trend:

stable

Yesterday:

66.4°F

Tomorrow:

65.0°F

Sunrise:

06:15

Sunset:

20:23

Day Length:

14 h. 8 min.

Astoria in August

Minimum:

45.6°F

Average:

48.3°F

Maximum:

49.5°F

Sea water temperature in Astoria today

As of now, in Astoria, the water temperature is 65.0°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 1.7°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 water temperature is slightly 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 69.5°F on 2023, while the historical minimum was 57.8°F on 2016.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. The forecast for the upcoming week shows a gradual cooling trend. The average temperature is expected to be 64.5°F, the minimum temperature may reach 63.9°F, and the maximum might stay at 65.2°F.

Daily water temperature in Astoria

Date Current Year

actual* / forecast**

last year 10 years average
Aug 2 64.0°F 61.8°F 62.5°F
Aug 3 62.8°F 62.0°F 62.6°F
Aug 4 64.2°F 64.7°F 62.9°F
Aug 5 64.3°F 64.4°F 62.9°F
Aug 6 66.0°F 64.7°F 62.9°F
Aug 7 64.9°F 64.7°F 62.3°F
Aug 8 64.9°F 66.1°F 62.3°F
Aug 9 64.3°F 64.9°F 61.7°F
Aug 10 64.5°F 65.0°F 61.9°F
Aug 11 64.5°F 65.1°F 61.9°F
Aug 12 68.7°F 66.6°F 63.4°F
Aug 13 68.3°F 67.3°F 64.1°F
Aug 14 67.3°F 67.2°F 64.0°F
Aug 15 66.4°F 67.4°F 64.2°F
Aug 16 65.0°F 62.0°F 63.3°F
Aug 17 65.0°F 60.6°F 63.4°F
Aug 18 65.2°F 64.4°F 63.5°F
Aug 19 64.8°F 63.1°F 63.1°F
Aug 20 64.5°F 63.4°F 62.8°F
Aug 21 64.4°F 63.2°F 62.7°F
Aug 22 63.9°F 61.8°F 62.3°F
Aug 23 64.0°F 61.5°F 62.3°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 Astoria by month

In an average year, Astoria offers no days when the water temperature is warm enough to swim comfortably.
The warmest water in Astoria was recorded on July 31, 2021, reaching a 70.5°F. While the coldest temperature occurred on January 30, 2025, dipping to 41.1°F. The average readings by season are 47.8°F in Winter, 51.2°F in Spring, 61.7°F in Summer, and 57.1°F in Autumn.