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Lake Lowell — Current Water Temperature, Annual Trends and Forecast

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

Arrowrock Reservoir, United States
Arrowrock Reservoir, United States © By Bureau of Reclamation, CC BY-SA 2.0

Current Water Temperature

20.7°C
Today
21.3°C
Yesterday
20.1°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 Lake Lowell today is 20.7°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

✅ As of today, the minimum water temperature ranges from 68°F (20°C) to 74°F (23°C). The water is warm and pleasant for swimming, and in this range, one can stay in the water for extended periods without the risk of hypothermia. This is the ideal temperature for relaxation, swimming, and water sports. Families with children, as well as outdoor enthusiasts, will enjoy swimming and time spent in the water. For most people, this is the optimal temperature for a comfortable beach experience. 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 10 to June 10

Table of Daily Sea Temperature Data

Date Current Average Forecast
JUN 320.1°C20.6°C
JUN 420.4°C20.6°C
JUN 520.5°C20.6°C
JUN 620.5°C20.6°C
JUN 721.2°C20.6°C
JUN 821.3°C20.6°C
JUN 1020.7°C20.6°C
JUN 1120.6°C20.7°C
JUN 1220.6°C20.7°C
JUN 1320.6°C20.7°C
JUN 1420.6°C20.7°C
JUN 1520.6°C20.7°C
JUN 1620.6°C20.7°C
JUN 1720.6°C20.7°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
January0°C3°C6°C
February1°C4°C6°C
March4°C8°C12°C
April5°C9°C14°C
May12°C16°C21°C
June18°C21°C23°C
July21°C24°C27°C
August23°C25°C27°C
September19°C22°C25°C
October9°C16°C22°C
November6°C9°C12°C
December1°C4°C8°C

Lake Lowell: Water Temperature by Location

Lake Lowell: Weather Forecast

June 9

° / °
moderate rain showers
rain: 82% | wind:

June 10

° / °
clear sky
rain: 38% | wind:

June 11

° / °
clear sky
rain: 1% | wind:

June 12

° / °
clear sky
rain: 0% | wind:

June 13

° / °
mainly clear
rain: 0% | wind:

Location & Local Information

Lake Lowell’s surface temperatures change considerably through the year. In spring (roughly March–May) water typically runs cool, about 45–60°F (7–15°C) as runoff and air temperatures remain low. By summer (June–August) the shallow reservoir can warm to roughly 70–80°F (21–27°C) on sunny days, with the warmest readings at the surface and in protected coves. In autumn (September–November) temperatures usually fall back to around 50–65°F (10–18°C), and in winter (December–February) surface water commonly approaches freezing, about 32–40°F (0–4°C), with intermittent ice in colder spells. Actual readings vary with wind, depth and seasonal inflows.

Swimming is generally permitted in many shoreline and recreation areas around Lake Lowell because it functions as a public reservoir and recreation site, but there are no lifeguards and swimming conditions vary. Warmer summer temperatures make casual swimming feasible, while spring and fall often present cold-shock risk and winter swimming is hazardous. Water quality, aquatic vegetation and boating traffic also influence safety; visitors should observe posted regulations and advisories, choose calmer areas away from boats, and exercise caution when temperatures are low.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lake Lowell?
Water Temperature in Lake Lowell today is 20.7°C.
What is the water temperature in Lake Lowell during the summer months?
The water temperature in Lake Lowell in summer fluctuates in the range of 18°C - 27°C.
Is it possible to swim in Lake Lowell and what are the possibilities for this?
Yes, it is possible to swim in Lake Lowell, Idaho. However, swimming is only allowed at the designated swimming beaches such as Lower Dam Recreation Area and Upper Embankment.