Rialto Beach water temp
This data the coastal Rialto Beach ocean 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.
Current ocean temperature in Rialto Beach
Water temperature in Rialto Beach today is 53.8°F. Based on our historical data over a period of ten years, the warmest water in this day in the Pacific Ocean near Rialto Beach was recorded in 2014 and was 57.4°F, and the coldest was recorded in 2013 at 50°F. Sea water temperature in Rialto Beach is expected to drop to 51.8°F in the next 10 days. November average water temperature in Rialto Beach is 51.8°F, the minimum temperature is 46.8°F, and the maximum is 57.7°F.
Throughout the year, the water temperature in Rialto Beach does not rise above 68°F and therefore is not suitable for comfortable swimming. The average water temperature in Rialto Beach in winter reaches 47.8°F, in spring 50°F, in summer the average temperature rises to 55.6°F, and in autumn it is 54.3°F.
Rialto Beach water temperature now
| November 6, 2025 |
|---|
| today temp |
| 53.8°F |
| November 5, 2025 |
|---|
| yesterday temp |
| 53.4°F |
Surf Forecast in Rialto Beach for today
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 Rialto Beach. 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 Rialto Beach. Data in table shown for November 6, 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 |
|---|---|---|---|
| 13' 7" | 12' 8" | 13' 0" | 14' 3" |
| 4.14 m | 3.87 m | 3.96 m | 4.34 m |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
| 15' 9" | 16' 3" | 16' 4" | 17' 0" |
| 4.8 m | 4.95 m | 4.98 m | 5.17 m |
Surf report in Rialto Beach
Rialto Beach weather forecast
Current temperature and weather
Data in a table show Rialto Beach temperature today (November 6, 2025). For more information and forecast for a few days, go to the weather forecast Rialto Beach.
| 0-3 h | 3-6 h | 6-9 h | 9-12 h |
|---|---|---|---|
 |  |  | |
| 52.2°F | 52.7°F | 52.2°F | 52°F |
| 12-15 h | 15-18 h | 18-21 h | 21-24 h |
|---|---|---|---|
|  |  | |
| 52.3°F | 53.6°F | 52.9°F | 52.2°F |
You may also be interested in other sections of our site for Rialto Beach: Sunrise and Sunset
Rialto Beach water temperature by month
These figures shows the average, minimum and maximum monthly sea temperature in Rialto Beach. 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 Rialto Beach 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 | 47.5°F | 44.1°F | 51.4°F | cold |
| Ocean water temperature in Rialto Beach in January | ||||
| February | 47.1°F | 43°F | 51.6°F | cold |
| Ocean water temperature in Rialto Beach in February | ||||
| March | 47.8°F | 45°F | 52.3°F | cold |
| Ocean water temperature in Rialto Beach in March | ||||
| April | 49.6°F | 45.9°F | 54.7°F | cold |
| Ocean water temperature in Rialto Beach in April | ||||
| May | 52.5°F | 47.8°F | 57.7°F | cold |
| Ocean water temperature in Rialto Beach in May | ||||
| June | 54.5°F | 48.4°F | 59.7°F | cold |
| Ocean water temperature in Rialto Beach in June | ||||
| July | 55.8°F | 49.6°F | 62.8°F | cold |
| Ocean water temperature in Rialto Beach in July | ||||
| August | 56.5°F | 50.9°F | 61.9°F | cold |
| Ocean water temperature in Rialto Beach in August | ||||
| September | 56.5°F | 50.7°F | 62.4°F | cold |
| Ocean water temperature in Rialto Beach in September | ||||
| October | 54.7°F | 50.2°F | 59.5°F | cold |
| Ocean water temperature in Rialto Beach in October | ||||
| November | 51.8°F | 46.8°F | 57.7°F | cold |
| Ocean water temperature in Rialto Beach in November | ||||
| December | 48.7°F | 45.1°F | 53.8°F | cold |
| Ocean water temperature in Rialto Beach in December | ||||
Chart monthly average water temperature in Rialto Beach
