What is the current water temperature in Hilo?

As of now, in Hilo, the water temperature is 24.49°F. It's safe to say that the water is comfortably warm for various water-related activities.

United States > Hilo

Water temperature in Hilo

Detailed information about the current water temperature in Hilo. 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.

76.1

°F

May 17, 18:20

Trend:

stable

Yesterday:

76.4°F

Tomorrow:

76.1°F

Sunrise:

05:44

Sunset:

18:50

Day Length:

13 h. 6 min.

Hilo in May

Minimum:

76.1°F

Average:

77.1°F

Maximum:

78.6°F

Sea water temperature in Hilo today

As of now, in Hilo, the water temperature is 76.1°F. It's safe to say that the water is comfortably warm for various water-related activities. Today's reading is 1.5°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 slightly varies from the average of the past two weeks. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 78.8°F on 2014, while the historical minimum was 76.4°F on 2023.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. Over the next week, the forecast shows a steady trend, with temperatures staying close to the average of 76.4°F. Both minimum and maximum temperatures expected to be close to the average, offering a week of stable water conditions.

Daily water temperature in Hilo

Date	Current Year actual* / forecast**	last year	10 years average
May 3	76.0°F	76.3°F	76.9°F
May 4	75.6°F	76.6°F	77.0°F
May 5	75.4°F	76.5°F	76.9°F
May 6	75.2°F	76.3°F	76.9°F
May 7	75.3°F	76.6°F	77.0°F
May 8	75.4°F	76.4°F	77.0°F
May 9	76.1°F	76.6°F	77.1°F
May 10	76.2°F	76.5°F	77.2°F
May 11	76.4°F	76.3°F	77.3°F
May 12	76.4°F	76.3°F	77.3°F
May 13	76.5°F	76.2°F	77.4°F
May 14	76.5°F	76.2°F	77.4°F
May 15	76.3°F	76.4°F	77.4°F
May 16	76.4°F	76.5°F	77.4°F
May 17	76.1°F	76.4°F	77.6°F
May 18	76.1°F	76.5°F	77.6°F
May 19	76.2°F	76.6°F	77.7°F
May 20	76.3°F	77.1°F	77.8°F
May 21	76.4°F	77.6°F	77.9°F
May 22	76.4°F	77.7°F	77.9°F
May 23	76.5°F	77.8°F	78.0°F
May 24	76.5°F	77.7°F	78.0°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 Hilo by month

In Hilo, the water temperature is comfortable for swimming all year round.

The warmest water in Hilo was recorded on September 9, 2015, reaching a 83.9°F. While the coldest temperature occurred on March 14, 2018, dipping to 74.0°F. The average readings by season are 76.8°F in Winter, 76.6°F in Spring, 79.3°F in Summer, and 80.2°F in Autumn.