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Lost Creek Lake — Current Water Temperature, Annual Trends and Forecast

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

Siltcoos Lake, United States
Siltcoos Lake, United States © By Visitor7, CC BY-SA 3.0

Current Water Temperature

23.1°C
Today
23.1°C
Yesterday
21.0°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 Lost Creek Lake today is 23.1°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 June 20 to July 21

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUL 1421.0°C21.3°C
JUL 1522.9°C21.3°C
JUL 1623.0°C21.3°C
JUL 1723.0°C21.3°C
JUL 1823.0°C21.3°C
JUL 1922.9°C21.3°C
JUL 2023.1°C21.3°C
JUL 2123.1°C21.3°C
JUL 2221.3°C23.0°C
JUL 2321.3°C22.9°C
JUL 2421.3°C22.8°C
JUL 2521.3°C22.7°C
JUL 2621.3°C22.7°C
JUL 2721.3°C22.6°C
JUL 2821.3°C22.5°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
January0°C4°C8°C
February0°C4°C7°C
March1°C6°C12°C
April7°C11°C15°C
May11°C16°C21°C
June13°C18°C23°C
July16°C21°C26°C
August18°C23°C27°C
September15°C19°C22°C
October9°C13°C16°C
November4°C7°C11°C
December3°C6°C9°C

Lost Creek Lake: Water Temperature by Location

Lost Creek Lake: Weather Forecast

July 22

° / °
overcast
rain: 17% | wind:

July 23

° / °
overcast
rain: 33% | wind:

July 24

° / °
clear sky
rain: 1% | wind:

July 25

° / °
clear sky
rain: 0% | wind:

July 26

° / °
overcast
rain: 0% | wind:

Location & Local Information

Lost Creek Lake, a Corps of Engineers reservoir on the Rogue River in southern Oregon, shows distinct seasonal water temperatures and layering. In winter the surface typically sits around 40–46°F (4–8°C), while spring brings a gradual rise to roughly 45–60°F (7–16°C) as runoff and warming air temperatures affect the top layer. By midsummer surface temperatures commonly reach about 60–75°F (16–24°C) on warm days, though deeper water remains much cooler (often in the mid‑40s to low‑50s °F, about 7–12°C) because of thermal stratification. In autumn the surface cools back toward the 50s °F (10–15°C) as air temperatures drop.

Swimming at Lost Creek Lake is generally permitted, but it is done at one’s own risk and conditions vary. There are developed recreation areas and beaches where people commonly swim during the warmest weeks, but there are typically no lifeguards and boat traffic, sudden changes in water level, and cold subsurface water pose hazards. Because of the potential for cold shock, hypothermia and limited supervision, swimmers should heed posted signs, wear flotation if unsure, and avoid deep or off‑shore areas especially outside the warmest months.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lost Creek Lake?
Water Temperature in Lost Creek Lake today is 23.1°C.
What is the water temperature in Lost Creek Lake during the summer months?
The water temperature in Lost Creek Lake in summer fluctuates in the range of 13°C - 27°C.
Is it possible to swim in Lost Creek Lake and what are the possibilities for this?
Yes, it is possible to swim in Lost Creek Lake, Oregon. The lake offers designated swim areas with accessible swim platforms, making it a popular location for recreational swimming.