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Mayo Reservoir — Current Water Temperature, Annual Trends and Forecast

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

John H. Kerr Reservoir, United States
John H. Kerr Reservoir, United States © By Bud Davis, Public domain

Current Water Temperature

24.0°C
Today
22.2°C
Yesterday
25.3°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 Mayo Reservoir today is 24°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

✅ As of today, the minimum water temperature ranges from 75°F (23°C) to 79°F (26°C). This is a very comfortable temperature for swimming, and many people can enjoy prolonged stays in the water without feeling cold. The water is pleasantly warm, making it ideal for relaxation and water sports. This temperature range is particularly popular among tourists, as it combines comfort and safety for health. 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 May 9 to June 9

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 222.6°C23.5°C
JUN 321.6°C23.5°C
JUN 421.7°C23.5°C
JUN 521.3°C23.5°C
JUN 621.7°C23.5°C
JUN 722.2°C23.5°C
JUN 823.1°C23.5°C
JUN 1023.5°C24.0°C
JUN 1123.5°C24.0°C
JUN 1223.5°C23.9°C
JUN 1323.5°C23.9°C
JUN 1423.5°C23.9°C
JUN 1523.5°C23.9°C
JUN 1623.5°C23.8°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
January2°C10°C17°C
February2°C11°C19°C
March8°C14°C19°C
April14°C20°C25°C
May16°C21°C26°C
June20°C24°C27°C
July23°C28°C32°C
August20°C25°C30°C
September22°C26°C30°C
October17°C22°C26°C
November10°C17°C22°C
December4°C11°C16°C

Mayo Reservoir: Water Temperature by Location

Mayo Reservoir: Weather Forecast

June 9

° / °
light drizzle
rain: 10% | wind:

June 10

° / °
moderate drizzle
rain: 16% | wind:

June 11

° / °
moderate drizzle
rain: 27% | wind:

June 12

° / °
overcast
rain: 31% | wind:

June 13

° / °
light drizzle
rain: 33% | wind:

Location & Local Information

Lake of Mayo Reservoir typically follows the seasonal patterns of warm temperate reservoirs in central North Carolina. In winter surface temperatures commonly drop into the mid-30s to mid-40s °F (about 1–7 °C), with cold spells pushing near freezing. Spring brings a steady rise, often ranging from the upper 40s to mid-60s °F (8–18 °C) as the water responds slowly to air temperatures. Peak summer surface readings commonly reach the upper 60s to low 80s °F (20–28 °C), and during heat waves can climb into the mid-80s °F (around 29 °C). In autumn the water cools again, generally moving from the 60s down into the 50s °F (15–10 °C). Deeper water remains colder year-round, and exact values vary with weather, inflow, and reservoir depth.

Swimming opportunities at reservoirs like Lake of Mayo depend on local rules, water quality and safety considerations. Where the reservoir is open to recreation, swimming is most comfortable and common in summer months when surface temperatures are in the upper 60s to 80s °F (20–28 °C). However many reservoirs restrict or prohibit swimming to protect drinking-water sources, reduce liability, or because there are no supervised beaches and hazards such as steep drop-offs, submerged structures, or boat traffic. Visitors should confirm current local regulations and posted advisories before entering the water.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Mayo Reservoir?
Water Temperature in Mayo Reservoir today is 24°C.
What is the water temperature in Mayo Reservoir during the summer months?
The water temperature in Mayo Reservoir in summer fluctuates in the range of 20°C - 32°C.
Is it possible to swim in Mayo Reservoir and what are the possibilities for this?
Yes, swimming is possible in Mayo Lake, North Carolina. The park offers designated swimming areas in season, with lifeguards present, and also allows swimming from boats.