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

60.4

°F

September 7, 05:25

Trend:

decreasing

Yesterday:

60.7°F

Tomorrow:

60.4°F

Sunrise:

06:43

Sunset:

19:43

Day Length:

13 h. 0 min.

Astoria in September

Minimum:

46.2°F

Average:

48.4°F

Maximum:

49.8°F

Sea water temperature in Astoria today

As of now, in Astoria, the water temperature is 60.4°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.6°F lower 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 considerably 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 66.3°F on 2024, while the historical minimum was 55.4°F on 2018.

Over the last two weeks, the water temperature has stayed slightly above than historical averages for those days. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 60.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Astoria

Date Current Year

actual* / forecast**

last year 10 years average
Aug 24 69.1°F 61.0°F 62.7°F
Aug 25 67.8°F 62.4°F 62.6°F
Aug 26 66.7°F 62.9°F 62.8°F
Aug 27 65.6°F 64.7°F 62.6°F
Aug 28 64.4°F 66.2°F 62.2°F
Aug 29 63.5°F 66.9°F 62.0°F
Aug 30 62.1°F 67.0°F 61.6°F
Aug 31 63.0°F 66.7°F 61.7°F
Sep 1 63.3°F 64.9°F 61.7°F
Sep 2 63.5°F 63.4°F 62.1°F
Sep 3 63.7°F 63.1°F 62.0°F
Sep 4 62.6°F 63.4°F 61.7°F
Sep 5 61.6°F 64.0°F 61.9°F
Sep 6 60.7°F 67.0°F 62.0°F
Sep 7 60.4°F 66.3°F 62.0°F
Sep 8 60.4°F 64.7°F 61.9°F
Sep 9 60.6°F 62.5°F 62.2°F
Sep 10 60.9°F 63.7°F 62.5°F
Sep 11 60.8°F 64.9°F 62.4°F
Sep 12 60.4°F 65.9°F 62.0°F
Sep 13 59.9°F 64.0°F 61.5°F
Sep 14 59.7°F 64.4°F 61.3°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, 61.8°F in Summer, and 57.1°F in Autumn.