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Deep Creek Lake near Thayerville, Maryland water temperature

Deep Creek Lake near Thayerville, Maryland · Lake

The current water temperature at Deep Creek Lake near Thayerville is 22.5 °C (as of September 20, 2026, source: USGS).

Lakes stratify in summer: bathing-warm on top, markedly colder a few metres down. Measurements are taken at the surface — right where you swim.

22.5 °C
Measured: September 20, 2026 · continuously updated
💧 Water 22.5° · ☀️ Air 20.7°
Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 166 data points since July 23, 2026.

Lowest recorded value: 22.5 °C on September 20, 2026 · highest value: 25.8 °C on September 3, 2026.

In September, temperatures have ranged between 22.5 °C and 25.8 °C.

The current value is 1.5 °C below the September average of this series.

Nearby waters

Frequently asked questions

Can you swim at Deep Creek Lake near Thayerville right now?
The current water temperature is 22.5 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Deep Creek Lake near Thayerville?
Currently 22.5 °C (updated continuously).

How warm is at Deep Creek Lake near Thayerville in September?
In September, the water temperature recently averaged 24.0 °C.

When is the water warmest at Deep Creek Lake near Thayerville?
Across the measurement record, September is on average the warmest month (24.0 °C).

Open in the BrrChecker app

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