Pablo Reservoir — Current Water Temperature, Annual Trends and Forecast
This page provides information on the current water temperature in Pablo Reservoir, trends, monthly ranges and the forecast for the coming days.
Current Water Temperature
Water Temperature in Pablo Reservoir today is 21.1°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 |
|---|---|---|---|
| JUL 14 | 18.7°C | 19.3°C | |
| JUL 15 | 21.2°C | 19.3°C | |
| JUL 16 | 19.9°C | 19.3°C | |
| JUL 17 | 19.8°C | 19.3°C | |
| JUL 18 | 20.5°C | 19.3°C | |
| JUL 19 | 22.0°C | 19.3°C | |
| JUL 20 | 22.5°C | 19.3°C | |
| JUL 21 | 21.1°C | 19.3°C | |
| JUL 22 | 19.3°C | 21.0°C | |
| JUL 23 | 19.3°C | 20.9°C | |
| JUL 24 | 19.3°C | 20.8°C | |
| JUL 25 | 19.3°C | 20.7°C | |
| JUL 26 | 19.3°C | 20.7°C | |
| JUL 27 | 19.3°C | 20.6°C | |
| JUL 28 | 19.3°C | 20.5°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 | 2°C | 5°C |
| February | 0°C | 3°C | 6°C |
| March | 1°C | 3°C | 6°C |
| April | 1°C | 5°C | 9°C |
| May | 3°C | 10°C | 17°C |
| June | 11°C | 15°C | 18°C |
| July | 16°C | 19°C | 23°C |
| August | 18°C | 22°C | 25°C |
| September | 15°C | 18°C | 20°C |
| October | 8°C | 12°C | 16°C |
| November | 4°C | 6°C | 9°C |
| December | 0°C | 2°C | 5°C |
Pablo Reservoir: Water Temperature by Location
Pablo Reservoir: Weather Forecast
July 22
July 23
July 24
July 25
Location & Local Information
Pablo Reservoir in Montana experiences a strong seasonal cycle in surface water temperature typical of small inland reservoirs in the northern Rockies. In winter the surface usually approaches freezing around 32°F (0°C) when ice forms in cold years. Spring thaw sees temperatures climb through the 40s and 50s°F (about 4–15°C) as snowmelt and runoff keep waters cool. By midsummer, shallow bays and sun-warmed surface layers can reach roughly 65–75°F (18–24°C) on warm afternoons, while deeper or wind-exposed parts of the reservoir often remain cooler. In autumn the surface cools back into the 50s°F (10–15°C) as air temperatures drop and turnover begins, returning toward near-freezing by late season.
Swimming is commonly practiced during the warmer months where public access exists, but whether swimming is allowed can depend on local rules, ownership and seasonal conditions. Even when permitted, caution is advisable: summer surface warmth can mask cold deeper water that risks cold-water shock, and many reservoirs lack lifeguards, have fluctuating water levels, boat traffic, or water-quality advisories related to runoff or algal blooms. Additionally, some reservoirs near tribal lands or managed facilities may impose specific restrictions, so checking signage or local authorities before swimming is recommended.