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Don Pedro Reservoir — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Don Pedro Reservoir, trends, monthly ranges and the forecast for the coming days.

Don Pedro Reservoir, United States
Don Pedro Reservoir, United States © CC BY-SA 3.0, GFDL

Current Water Temperature

27.6°C
Today
27.6°C
Yesterday
23.3°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Don Pedro Reservoir today is 27.6°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart Over the Last 30 Days

From June 20 to July 21

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUL 1423.3°C25.0°C
JUL 1525.8°C25.0°C
JUL 1627.3°C25.0°C
JUL 1727.4°C25.0°C
JUL 1827.6°C25.0°C
JUL 1927.6°C25.0°C
JUL 2027.6°C25.0°C
JUL 2127.6°C25.0°C
JUL 2225.0°C27.5°C
JUL 2325.0°C27.3°C
JUL 2425.0°C27.2°C
JUL 2525.0°C27.1°C
JUL 2625.0°C27.0°C
JUL 2725.0°C26.8°C
JUL 2825.0°C26.7°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January6°C9°C12°C
February6°C10°C14°C
March5°C12°C19°C
April14°C16°C19°C
May16°C20°C24°C
June20°C23°C26°C
July22°C25°C28°C
August21°C25°C28°C
September21°C24°C26°C
October18°C21°C23°C
November11°C16°C20°C
December10°C12°C15°C

Don Pedro Reservoir: Water Temperature by Location

Don Pedro Reservoir: Weather Forecast

July 22

° / °
overcast
rain: 3% | wind:

July 23

° / °
clear sky
rain: 0% | wind:

July 24

° / °
clear sky
rain: 0% | wind:

July 25

° / °
clear sky
rain: 2% | wind:

July 26

° / °
clear sky
rain: 2% | wind:

Location & Local Information

Don Pedro Reservoir (Lake Don Pedro) experiences a broad range of surface water temperatures through the year. In summer, surface temperatures commonly run roughly 70–80°F (21–27°C), and in shallow, sun-warmed coves can approach the mid-80s°F (around 29°C) on hot afternoons. Spring conditions are noticeably cooler, with waters often between about 45–60°F (7–15°C) as snowmelt and runoff keep the lake chilly. Fall waters typically cool to roughly 50–65°F (10–18°C) as air temperatures drop, while winter surface temperatures commonly sit near 40–50°F (4–10°C). Deeper parts of the reservoir remain much colder year-round due to thermocline stratification, so temperatures below the surface can be substantially lower than readings at the shore.

Swimming is generally permitted at public beaches and day‑use areas around Don Pedro, and the reservoir is used for recreational swimming during the warmer months, but conditions and rules vary by site. There are typically few or no lifeguards, and hazards such as heavy boat traffic, sudden drop-offs, submerged structure, fluctuating water levels and the risk of cold‑water shock make caution important. Water quality and access can change with seasonal operations and local management, so visitors should follow posted signage, use flotation when appropriate, and check current conditions before entering the water.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Don Pedro Reservoir?
Water Temperature in Don Pedro Reservoir today is 27.6°C.
What is the water temperature in Don Pedro Reservoir during the summer months?
The water temperature in Don Pedro Reservoir in summer fluctuates in the range of 20°C - 28°C.
Is it possible to swim in Don Pedro Reservoir and what are the possibilities for this?
Yes, swimming is permitted in Don Pedro Reservoir, California. Recreational facilities available there include campsites, picnic areas, and marinas, facilitating access to the water.