Lower Atchafalaya River at Morgan City, Louisiana water temperature

Lower Atchafalaya River at Morgan City, Louisiana · River

The current water temperature at Lower Atchafalaya River at Morgan City is 31.4 °C (as of September 20, 2026, source: USGS).

A river can change temperature within hours — snowmelt, rain or power-plant operations show up immediately. That is why the measured value counts here, not an estimate.

31.4 °C

Measured: September 20, 2026 · continuously updated

💧 Water 31.4° · ☀️ Air 25.6° · high today 33.0°

Temperature trend of recent weeks

Measurement series & statistics

This measurement series includes 111 data points since August 26, 2026.

Lowest recorded value: 29.7 °C on September 4, 2026 · highest value: 31.6 °C on August 26, 2026.

In September, temperatures have ranged between 29.7 °C and 31.4 °C.

The current value is 1.1 °C above the September average of this series.

Nearby waters

Gulf of Mexico, Tesoro Marine Terminal, Berwick, Atchafa · 3.7 km away31.3 °C Gulf of Mexico, Berwick, Atchafalaya River · 3.8 km away31.3 °C Gulf of Mexico, LAWMA, Amerada Pass, LA · 29.6 km away30.6 °C Gulf of Mexico, LAWMA, Amerada Pass · 29.7 km away30.6 °C Gulf of Mexico, North of Eugene Island, LA · 39.3 km away29.7 °C

Frequently asked questions

Can you swim at Lower Atchafalaya River at Morgan City right now?
The current water temperature is 31.4 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Lower Atchafalaya River at Morgan City?
Currently 31.4 °C (updated continuously).

How warm is at Lower Atchafalaya River at Morgan City in September?
In September, the water temperature recently averaged 30.3 °C.

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