Casselman River water temperature
Casselman River, Markleton, Pennsylvania · River
The current water temperature at Casselman River is 12.9 °C (as of November 6, 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 535 data points since September 7, 2026.
Lowest recorded value: 7.3 °C on October 25, 2026 · highest value: 24.3 °C on September 11, 2026.
In November, temperatures have ranged between 9.7 °C and 14.9 °C.
The current value is 0.8 °C above the November average of this series.
Nearby waters
Frequently asked questions
Can you swim at Casselman River right now?
The current water temperature is 12.9 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Casselman River?
Currently 12.9 °C (updated continuously).
How warm is at Casselman River in November?
In November, the water temperature recently averaged 12.1 °C.
When is the water warmest at Casselman River?
Across the measurement record, September is on average the warmest month (18.7 °C).
