Temperature:

Your Favorite Locations:

Your favorites list is empty.

Ogosta Reservoir — Current Water Temperature, Annual Trends and Forecast

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

Ogosta Reservoir, Bulgaria
Ogosta Reservoir, Bulgaria © By Spiritia, GFDL

Current Water Temperature

24.4°C
Today
24.8°C
Yesterday
26.0°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 Ogosta Reservoir today is 24.4°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 August 10 to September 10

Table of Daily Sea Temperature Data

Date Current Average Forecast
SEP 226.0°C21.2°C
SEP 325.6°C21.2°C
SEP 425.8°C21.2°C
SEP 525.2°C21.2°C
SEP 625.1°C21.2°C
SEP 725.3°C21.2°C
SEP 824.8°C21.2°C
SEP 924.6°C21.2°C
SEP 1021.2°C24.2°C
SEP 1121.2°C24.1°C
SEP 1221.2°C23.9°C
SEP 1321.2°C23.8°C
SEP 1421.2°C23.6°C
SEP 1521.2°C23.4°C
SEP 1621.2°C23.3°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°C8°C12°C
February3°C8°C12°C
March5°C10°C15°C
April9°C14°C19°C
May11°C17°C22°C
June16°C21°C26°C
July17°C23°C29°C
August18°C23°C29°C
September16°C21°C27°C
October12°C17°C20°C
November7°C11°C14°C
December4°C8°C12°C

Ogosta Reservoir: Water Temperature by Location

Ogosta Reservoir: Weather Forecast

September 10

° / °
clear sky
rain: 0% | wind:

September 11

° / °
overcast
rain: 3% | wind:

September 12

° / °
overcast
rain: 21% | wind:

September 13

° / °
slight rain
rain: 24% | wind:

September 14

° / °
slight thunderstorm
rain: 30% | wind:

Location & Local Information

Ogosta Reservoir (Bulgarian: Язовир Огоста) is a large inland water body in northwestern Bulgaria whose surface waters follow seasonal patterns typical for continental climates. In winter the surface can fall to near freezing, commonly around 0–4 °C (32–39 °F), while spring sees a gradual rise to roughly 5–15 °C (41–59 °F) as the water warms. Summer surface temperatures are the most comfortable for bathing, often ranging from about 18–26 °C (64–79 °F) in open areas and occasionally higher in shallow bays. During autumn the lake cools again, usually showing surface values around 10–18 °C (50–64 °F). Deeper water remains colder year round, so reported temperatures typically refer to the upper layers.

Swimming at Ogosta is commonly practiced in the warm months and is generally allowed in many open, accessible bays because the reservoir is used for recreation, fishing and local leisure. However, access is not uniformly unrestricted: areas near dam structures, waterworks and boat channels are often regulated or prohibited for safety reasons, and there may be no lifeguard coverage. Water quality, weather conditions and local signage should be checked before entering; wind-driven waves, sudden depth changes and boat traffic can pose hazards even when temperatures are suitable for swimming.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Ogosta Reservoir?
Water Temperature in Ogosta Reservoir today is 24.4°C.
What is the water temperature in Ogosta Reservoir during the summer months?
The water temperature in Ogosta Reservoir in summer fluctuates in the range of 16°C - 29°C.
Is it possible to swim in Ogosta Reservoir (Bulgaria) and what are the possibilities for this?
Yes — people do swim in parts of the Ogosta Reservoir from accessible shorelines and informal beaches, and the reservoir is also used for boating, fishing and other recreational water sports, though official facilities and lifeguards are limited and swimmers should avoid restricted areas near the dam and be mindful of seasonal water quality and safety.