Susquehanna River water temperature
Susquehanna River, Harrisburg, Pennsylvania · River
The current water temperature at Susquehanna River is 21.8 °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 66 data points since August 28, 2026.
Lowest recorded value: 21.8 °C on September 21, 2026 · highest value: 27.9 °C on September 1, 2026.
In September, temperatures have ranged between 21.8 °C and 27.9 °C.
The current value is 3.0 °C below the September average of this series.
Nearby waters
More measuring points: Susquehanna River
Frequently asked questions
Can you swim at Susquehanna River right now?
The current water temperature is 21.8 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Susquehanna River?
Currently 21.8 °C (updated continuously).
How warm is at Susquehanna River in September?
In September, the water temperature recently averaged 24.8 °C.
