Red River water temperature
Red River, Index, Arkansas · River
The current water temperature at Red River is 30.2 °C (as of September 21, 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.
Measurement series & statistics
This measurement series includes 156 data points since July 23, 2026.
Lowest recorded value: 28.9 °C on August 27, 2026 · highest value: 33.3 °C on July 28, 2026.
In September, temperatures have ranged between 30.2 °C and 33.2 °C.
The current value is 1.6 °C below the September average of this series.
Nearby waters
More measuring points: Red River
Frequently asked questions
Can you swim at Red River right now?
The current water temperature is 30.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Red River?
Currently 30.2 °C (updated continuously).
How warm is at Red River in September?
In September, the water temperature recently averaged 31.8 °C.
When is the water warmest at Red River?
Across the measurement record, July is on average the warmest month (32.7 °C).
