Chesapeake Bay water temperature

Chesapeake Bay, Railroad · Sea/Coast

The current water temperature at Chesapeake Bay is 14.4 °C (as of October 28, 2026, source: NOAA NERRS SWMP).

The sea lags the air by weeks: the warmest water often arrives after the warmest days. Measured buoy values show this honestly.

14.4 °C

Measured: October 28, 2026 · continuously updated

💧 Water 14.4° · ☀️ Air 18.5°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 426 data points since September 1, 2026.

Lowest recorded value: 12.7 °C on October 25, 2026 · highest value: 29.3 °C on September 1, 2026.

In October, temperatures have ranged between 12.7 °C and 23.2 °C.

The current value is 3.9 °C below the October average of this series.

Nearby waters

Patuxent River, Gov Bridge Natural Area near Bowie, Maryland · 18.5 km away14.4 °C Watts Branch, Washington, Dc · 23.9 km away14.3 °C Anacostia River, Kenilworth at Washington, Dc · 25.3 km away15.5 °C Hickey Run, National Arboretum at Washington, Dc · 26.7 km away17.6 °C Northeast Branch Anacostia River, Riverdale, Maryland · 27.1 km away15.4 °C

More measuring points: Chesapeake Bay

Sweethall Pier17.4 °C Claybank17.1 °C Fossil Beach16.4 °C Taskinas Creek16.4 °C Otter Point Creek16.0 °C

Frequently asked questions

Can you swim at Chesapeake Bay right now?
The current water temperature is 14.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Chesapeake Bay?
Currently 14.4 °C (updated continuously).

How warm is at Chesapeake Bay in October?
In October, the water temperature recently averaged 18.3 °C.

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