Frances Slocum Lake — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Frances Slocum Lake, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Frances Slocum Lake today is 26.1°C.
Water Temperature: Daily Trends, Historical Records, and Forecast
✅ As of today, the minimum water temperature ranges from 79°F (26°C) to 82°F (28°C). This is very warm water, allowing for extended stays without any discomfort. Swimming in these conditions will be particularly enjoyable, making it the ideal temperature range for those who want to relax in the sea. Additionally, water in this temperature range is suitable for children and elderly people, as it is comfortable for prolonged stays. 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 |
|---|---|---|---|
| JUL 14 | 24.0°C | 24.5°C | |
| JUL 15 | 26.6°C | 24.5°C | |
| JUL 16 | 27.0°C | 24.5°C | |
| JUL 17 | 27.3°C | 24.5°C | |
| JUL 18 | 27.3°C | 24.5°C | |
| JUL 19 | 27.1°C | 24.5°C | |
| JUL 20 | 27.3°C | 24.5°C | |
| JUL 21 | 26.5°C | 24.5°C | |
| JUL 22 | 24.5°C | 26.0°C | |
| JUL 23 | 24.5°C | 25.9°C | |
| JUL 24 | 24.5°C | 25.9°C | |
| JUL 25 | 24.5°C | 25.8°C | |
| JUL 26 | 24.5°C | 25.7°C | |
| JUL 27 | 24.5°C | 25.6°C | |
| JUL 28 | 24.5°C | 25.5°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 | 0°C | 4°C | 7°C |
| February | 0°C | 4°C | 7°C |
| March | 0°C | 4°C | 7°C |
| April | 5°C | 11°C | 17°C |
| May | 11°C | 16°C | 21°C |
| June | 18°C | 21°C | 24°C |
| July | 20°C | 25°C | 29°C |
| August | 21°C | 23°C | 26°C |
| September | 19°C | 23°C | 26°C |
| October | 12°C | 18°C | 24°C |
| November | 5°C | 11°C | 16°C |
| December | 0°C | 6°C | 10°C |
Frances Slocum Lake: Water Temperature by Location
Frances Slocum Lake: Weather Forecast
July 22
July 23
July 24
July 25
July 26
Location & Local Information
Frances Slocum Lake in northeastern Pennsylvania experiences wide seasonal variation in water temperature typical of small, temperate reservoirs. In winter the surface often hovers around freezing, roughly 32–39°F (0–4°C), and ice formation is common. Spring temperatures climb through the 40s and 50s°F as runoff and warming air raise the surface into about 4–15°C. By mid to late summer the lake commonly reaches its warmest, with surface readings frequently between 65–80°F (18–27°C) on sunny days, though shallow bays can be slightly warmer. In autumn the water cools again into the 45–60°F range (7–16°C) as air temperatures fall and stratification breaks down.
Swimming at Frances Slocum Lake is not offered as a supervised recreational activity; the area does not have a designated swimming beach or lifeguards, and the reservoir’s management and safety policies discourage open water bathing. Water level fluctuations, submerged structures and vegetation, and the absence of regular lifeguard coverage are the main reasons visitors are advised against swimming. Visitors can still enjoy boating, fishing, hiking and shoreline picnicking, but anyone considering entering the water should be aware of local rules and personal safety risks before doing so.