Norfork Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Norfork Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Norfork Lake today is 20.2°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
Table of Daily Sea Temperature Data
| Date | Current | Average | Forecast |
|---|---|---|---|
| JUN 23 | 20.8°C | 20.5°C | |
| JUN 24 | 20.9°C | 20.5°C | |
| JUN 25 | 20.5°C | 20.5°C | |
| JUN 26 | 20.5°C | 20.5°C | |
| JUN 27 | 19.4°C | 20.5°C | |
| JUN 28 | 19.2°C | 20.5°C | |
| JUN 29 | 19.8°C | 20.5°C | |
| JUN 30 | 20.2°C | 20.5°C | |
| JUL 1 | 24.0°C | 20.4°C | |
| JUL 2 | 24.0°C | 20.6°C | |
| JUL 3 | 24.0°C | 20.8°C | |
| JUL 4 | 24.0°C | 21.0°C | |
| JUL 5 | 24.0°C | 21.2°C | |
| JUL 6 | 24.0°C | 21.3°C | |
| JUL 7 | 24.0°C | 21.5°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 |
|---|---|---|---|
| January | 3°C | 7°C | 11°C |
| February | 3°C | 7°C | 12°C |
| March | 5°C | 11°C | 18°C |
| April | 11°C | 15°C | 20°C |
| May | 15°C | 19°C | 24°C |
| June | 14°C | 21°C | 27°C |
| July | 16°C | 24°C | 32°C |
| August | 21°C | 26°C | 30°C |
| September | 23°C | 27°C | 30°C |
| October | 18°C | 22°C | 26°C |
| November | 11°C | 15°C | 18°C |
| December | 7°C | 10°C | 14°C |
Norfork Lake: Water Temperature by Location
Norfork Lake: Weather Forecast
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Location & Local Information
Norfork Lake, located in north-central Arkansas near Mountain Home, is a large and deep reservoir on the North Fork River, known for its clear, clean water and scenic Ozark surroundings. The lake’s water temperature varies throughout the year due to its depth and regional climate. In winter, surface temperatures typically range from 7–10 °C (45–50 °F), while deeper sections remain colder. During spring, the water gradually warms to around 15–21 °C (59–70 °F). By midsummer, Norfork Lake reaches its warmest period, with surface temperatures averaging 25–29 °C (77–84 °F), though deeper areas remain much cooler and refreshing. In autumn, the water cools again to about 15–20 °C (59–68 °F) before dropping further as winter approaches.
Swimming in Norfork Lake is allowed and very popular during the summer months, typically from late May through early September. The lake’s clear water, gentle slopes, and numerous coves make it ideal for swimming, snorkeling, and other recreational activities. Designated swimming areas are available at public parks and resorts around the shoreline, offering safe and accessible spots for visitors. Outside the summer season, the cooler water temperatures make swimming less comfortable, but Norfork Lake remains a favorite destination for boating, diving, and fishing year-round.