This data the coastal Zion water temperature today, tomorrow and the upcoming days. Besides, you can also get information about the weather and surf forecast, as well as the data on sunrise / sunset and moonrise / moonset at a given point on any given day.
Water temperature in Zion today is 69.1°F. Based on our historical data over a period of ten years, the warmest water in this day in Zion was recorded in 2017 and was 71.2°F, and the coldest was recorded in 2014 at 61.5°F. Water temperature in Zion is expected to drop to 62.4°F in the next 10 days. September average water temperature in Zion is 68°F, the minimum temperature is 59.7°F, and the maximum is 74.1°F.
The swimming season in Zion lasts from July to September. During those months, Zion water temperature does not drop below 68°F and therefore suitable for comfortable swimming. The average water temperature in Zion in winter reaches 37.4°F, in spring 40.6°F, in summer the average temperature rises to 66.7°F, and in autumn it is 58.1°F.
September 24, 2025 |
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today temp |
69.1°F |
September 23, 2025 |
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yesterday temp |
70°F |
Another important indicators for a comfortable holiday on the beach are the presence and height of the waves, as well as the speed and direction of the wind. Please find below data on the swell size for Zion. We calculate the swell size based on the mean wave height (trough to crest) of each third highest wave. For more information on surf forecasts for the next ten days, please visit sea state forecast Zion. Data in table shown for September 24, 2025, time in GMT 0 format (you can change the time zone on the sea state forecast page)
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
1' 4" | 1' 6" | 2' 3" | 2' 7" |
0.4 m | 0.45 m | 0.69 m | 0.78 m |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
2' 11" | 2' 10" | 3' 1" | 3' 1" |
0.9 m | 0.87 m | 0.94 m | 0.95 m |
Data in a table show Zion temperature today (September 24, 2025). For more information and forecast for a few days, go to the weather forecast Zion.
0-3 h | 3-6 h | 6-9 h | 9-12 h |
---|---|---|---|
![]() | ![]() | ![]() | ![]() |
62.8°F | 63°F | 62.6°F | 66.4°F |
12-15 h | 15-18 h | 18-21 h | 21-24 h |
---|---|---|---|
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70.5°F | 68.4°F | 65.1°F | 62.6°F |
You may also be interested in other sections of our site for Zion: Sunrise and Sunset, Tides
These figures shows the average, minimum and maximum monthly water temperature in Zion. In addition to the table values, the graph below displays of changes average surface temperature during the year. Values are calculated based on the data over the past 10 years. Using them, you can check the water temperature in Zion on any day of this period that interests you. Click on the month link and you will see a table for each day, or alternatively you can view the temperature curve of the month and select 2 different years you want to compare, either in a table or as a curve
Month | Avr | Min | Max | |
---|---|---|---|---|
January | 36.7°F | 31.5°F | 41.9°F | cold |
Water temperature in Zion in January | ||||
February | 34.3°F | 29.8°F | 38.5°F | cold |
Water temperature in Zion in February | ||||
March | 35.8°F | 31.5°F | 44.2°F | cold |
Water temperature in Zion in March | ||||
April | 39.4°F | 32.9°F | 46.6°F | cold |
Water temperature in Zion in April | ||||
May | 46.8°F | 38.5°F | 58.1°F | cold |
Water temperature in Zion in May | ||||
June | 58.5°F | 47.7°F | 70.3°F | cold |
Water temperature in Zion in June | ||||
July | 69.6°F | 59°F | 77.2°F | warm |
Water temperature in Zion in July | ||||
August | 72.3°F | 65.7°F | 77°F | warm |
Water temperature in Zion in August | ||||
September | 68°F | 59.7°F | 74.1°F | warm |
Water temperature in Zion in September | ||||
October | 57.9°F | 46.2°F | 69.1°F | cold |
Water temperature in Zion in October | ||||
November | 48.2°F | 37.9°F | 57.9°F | cold |
Water temperature in Zion in November | ||||
December | 41.4°F | 34.3°F | 47.5°F | cold |
Water temperature in Zion in December |