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Storglomvatnet — Current Water Temperature, Annual Trends and Forecast

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

Storglomvatnet, Norway
Storglomvatnet, Norway © By Matti Paavola, CC BY-SA 3.0

Current Water Temperature

12.7°C
Today
12.8°C
Yesterday
12.9°C
A Week Ago
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Water Temperature in Storglomvatnet today is 12.7°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. 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 July 10 to August 10

Table of Daily Sea Temperature Data

Date Current Average Forecast
AUG 312.9°C15.0°C
AUG 413.0°C15.0°C
AUG 513.0°C15.0°C
AUG 612.7°C15.0°C
AUG 712.7°C15.0°C
AUG 812.7°C15.0°C
AUG 912.8°C15.0°C
AUG 1012.7°C15.0°C
AUG 1115.0°C12.8°C
AUG 1215.0°C12.9°C
AUG 1315.0°C13.0°C
AUG 1415.0°C13.2°C
AUG 1515.0°C13.3°C
AUG 1615.0°C13.4°C
AUG 1715.0°C13.5°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°C2°C2°C
February0°C2°C2°C
March0°C2°C3°C
April0°C2°C4°C
May0°C5°C10°C
June7°C14°C20°C
July11°C17°C23°C
August10°C15°C21°C
September6°C11°C17°C
October0°C4°C7°C
November0°C2°C4°C
December0°C2°C2°C

Storglomvatnet: Water Temperature by Location

Storglomvatnet: Weather Forecast

August 11

° / °
slight rain showers
rain: 100% | wind:

August 12

° / °
slight rain showers
rain: 76% | wind:

August 13

° / °
dense intensity drizzle
rain: 73% | wind:

August 14

° / °
moderate drizzle
rain: 87% | wind:

Location & Local Information

Storglomvatnet (Norwegian: Storglomvatnet) is a large regulated mountain reservoir in Nordland County whose water temperature is generally low because of high elevation, snowmelt and inflows from cold mountain streams. Typical summer surface temperatures commonly range from about 6–12 °C (43–54 °F), with occasional warm spells pushing small surface areas toward 14–15 °C (57–59 °F) in rare years. In spring and autumn the lake is usually around 2–6 °C (36–43 °F) as seasonal melt and cooling dominate, while winter temperatures near the surface hover close to freezing, roughly 0–2 °C (32–36 °F) where ice forms or approaches formation.

Swimming in Storglomvatnet is physically possible but limited by safety and practical considerations. Cold water presents a real risk of cold shock and hypothermia, and because the lake is a regulated reservoir water levels and currents can change quickly near outlets and dams; those areas are often restricted for safety reasons. Recreational swimming is therefore best limited to sheltered shallow spots in warm months, ideally with thermal protection such as a wetsuit, careful supervision and local knowledge of reservoir operations; always heed posted signage and local guidance about permitted access.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Storglomvatnet?
Water Temperature in Storglomvatnet today is 12.7°C.
What is the water temperature in Storglomvatnet during the summer months?
The water temperature in Storglomvatnet in summer fluctuates in the range of 7°C - 23°C.
Is it possible to swim in Storglomvatnet (Norway) and what are the possibilities for this?
Swimming is possible in Storglomvatnet, but because it is a dammed, glacier‑fed reservoir with very cold water, deep drop‑offs, potential currents and restricted zones near dams and intakes, it is best attempted only from sheltered bays or the shore with cold‑water precautions, a companion and awareness of hydropower operations.