All data are in degrees Fahrenheit

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Water temperature in Weihai

Detailed information about the current water temperature in Weihai. 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 Weihai now

81.2

°F

August 24, 21:31

Trend:

increasing

Yesterday:

79.8°F

Tomorrow:

81.4°F

Sunrise:

05:14

Sunset:

18:33

Day Length:

13 h. 19 min.

Weihai in August

Minimum:

37.2°F

Average:

40.2°F

Maximum:

42.7°F

Sea water temperature in Weihai today

As of now, in Weihai, the water temperature is 81.2°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 3.2°F higher than the average recorded on this particular day in recent years. Since yesterday, there was a noticeable increase in temperature. This indicates a warming trend over the past day. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical maximum temperature for this date. The maximum temperature recorded for this date was 81.6°F on 2025, while the historical minimum was 75.1°F on 2018.

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 80.5°F, the minimum temperature may reach 80.1°F, and the maximum might stay at 81.4°F.

Daily water temperature in Weihai

Date Current Year

actual* / forecast**

last year 10 years average
Aug 10 81.3°F 80.6°F 79.3°F
Aug 11 81.2°F 80.6°F 79.3°F
Aug 12 80.6°F 78.5°F 79.3°F
Aug 13 80.7°F 78.7°F 79.1°F
Aug 14 80.6°F 79.2°F 79.2°F
Aug 15 79.8°F 79.4°F 78.9°F
Aug 16 79.4°F 80.1°F 79.0°F
Aug 17 79.6°F 80.2°F 79.0°F
Aug 18 80.6°F 80.6°F 78.9°F
Aug 19 80.2°F 80.5°F 78.9°F
Aug 20 80.3°F 80.5°F 79.1°F
Aug 21 80.7°F 80.6°F 78.9°F
Aug 22 80.0°F 80.0°F 78.5°F
Aug 23 79.8°F 80.9°F 78.3°F
Aug 24 81.2°F 81.6°F 78.0°F
Aug 25 81.4°F 82.4°F 78.2°F
Aug 26 81.1°F 80.4°F 77.9°F
Aug 27 80.7°F 79.3°F 77.5°F
Aug 28 80.3°F 78.7°F 77.1°F
Aug 29 80.1°F 78.3°F 76.9°F
Aug 30 80.1°F 80.1°F 76.9°F
Aug 31 80.1°F 80.0°F 76.9°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 Weihai by month

In Weihai, the months July through September offer comfortable swimming conditions, which amounts to 80 swimming days.
The warmest water in Weihai was recorded on August 8, 2026, reaching a 83.5°F. While the coldest temperature occurred on February 20, 2018, dipping to 32.3°F. The average readings by season are 40.5°F in Winter, 47.7°F in Spring, 72.9°F in Summer, and 67.3°F in Autumn.