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Sun River

Sun River Current Water Temperature and Forecast

On this page, you will find comprehensive information about the water temperature in Sun River, including current readings, historical data and trends, monthly averages, as well as weather forecasts and upcoming temperature predictions. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Current Water Temperature in Sun River

67°F

TODAY

67°F

YESTERDAY

67°F

A WEEK AGO

As of today, the minimum water temperature in the Sun River ranges from 65°F (18°C) to 68°F (20°C). This is already quite warm water, which is ideal for most people. Swimming becomes comfortable, and prolonged stays in the water do not cause discomfort. This temperature is perfect for family trips and for those who prefer warmer water. It is also comfortable for water sports such as surfing or swimming.

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.

Analysis, Historical Data, and Forecast of Water Temperature

Water Temperature Chart for Sun River Over the Last 30 Days

Today the water temperature in Sun River is lower than the same day in previous years. The water temperature range here in July is from 63°F to 75°F. The water temperature has decreased over the past 7 days but has increased over the past month.

The forecasted water temperature values for Sun River are presented in the table below.

The actual water temperature values near the shore may differ by a few degrees from the stated values. For the development of the forecast, we use our own mathematical model that takes into account the current water temperature changes, historical data, and key weather trends, including wind strength and direction, and air temperature in each specific region.

Daily Water Temperature Chart

DateCurrentAverageForecast
Jul 167°F68°F
Jul 267°F68°F
Jul 366°F68°F
Jul 467°F68°F
Jul 567°F68°F
Jul 667°F68°F
Jul 767°F68°F
Jul 867°F68°F
Jul 968°F67°F
Jul 1068°F67°F
Jul 1168°F67°F
Jul 1268°F67°F
Jul 1368°F67°F
Jul 1468°F67°F
Jul 1568°F67°F
Jul 1668°F67°F
* Current - Actual water temperature value
** Average - Average water temperature on this day in recent years
*** Forecast - Our water temperature forecast

Water Temperature Ranges in Sun River by Month

January

MinimumAverageMaximum
34°F41°F48°F

February

MinimumAverageMaximum
34°F41°F48°F

March

MinimumAverageMaximum
34°F43°F52°F

April

MinimumAverageMaximum
37°F49°F61°F

May

MinimumAverageMaximum
43°F56°F70°F

June

MinimumAverageMaximum
55°F64°F72°F

July

MinimumAverageMaximum
63°F68°F75°F

August

MinimumAverageMaximum
63°F71°F73°F

September

MinimumAverageMaximum
52°F64°F66°F

October

MinimumAverageMaximum
46°F56°F61°F

November

MinimumAverageMaximum
37°F47°F61°F

December

MinimumAverageMaximum
37°F40°F46°F

Monthly Water Temperature Histogram for Sun River

Water Temperature in Cities and Towns on Sun River

Great Falls
United States (Montana)
67°F

Sun River Weather

JULY 8

61°F / 99°F
clear sky

rain: 1% | wind: 22 mph

JULY 9

63°F / 100°F
overcast

rain: 5% | wind: 27 mph

JULY 10

59°F / 86°F
overcast

rain: 17% | wind: 16 mph

JULY 11

55°F / 86°F
overcast

rain: 17% | wind: 19 mph

Water Temperature in Sun River: General Trends and Swimming Opportunities

Source North Fork Sun River
• location Confluence of Open Creek and McDonald Creek, Lewis and Clark County
Mouth Missouri River
• location Great Falls, Cascade County
Length 130 mi (210 km)

The Sun River, flowing through central Montana, is a river that offers beautiful views and a cool, clear environment. The water temperature in the Sun River can be quite cold, particularly in its upper reaches where snowmelt from the surrounding mountains feeds into the flow. During the summer months, the temperature usually ranges between 50 and 60°F (10 to 16°C), making it suitable for a quick dip or wading, though it might feel a bit chilly for prolonged swimming. In the cooler months, the water temperature can drop further, making swimming uncomfortable or even dangerous.

While the Sun River is not as well known for swimming, it provides ample opportunities for other water-based activities like fishing, kayaking, and rafting. There are certain areas of the river, particularly in its slower sections or near local parks, where swimming or wading is possible. However, swimmers should exercise caution, as the current can be strong in some parts of the river, and the water quality can vary, particularly after heavy rainfall. Despite these factors, the Sun River remains a favorite for outdoor enthusiasts, offering a tranquil atmosphere and a great setting for exploring the natural beauty of Montana.

Geographical Location of Sun River

Frequently Asked Questions About Sun River and its Water Temperatures

What is the current water temperature in Sun River?

The water temperature today in Sun River is 67°F (19.2°C).

What is the water temperature in Sun River during the summer months?

The average water temperature in Sun River during the summer months is typically between 65°F to 71°F (19°C to 21°C), and it can reach up to 75°F (24°C) at its warmest. However, in some years, the temperature may exceed this range.

What is the water temperature in Sun River in May?

The average water temperature in Sun River in May ranges from 46°F to 70°F (8°C to 21°C).

What is the water temperature in Sun River in September?

The average water temperature in Sun River in September is typically between 52°F to 66°F (11°C to 19°C).

Where does Sun River flow?

Sun River flows through United States (Montana).

Is it possible to swim in the Sun River?

Yes, it is possible to swim in the Sun River, assuming you're referencing the river in Montana, USA. However, water safety and local regulations should always be taken into account.