Little Lehigh Creek water temperature
Little Lehigh Creek, Allentown, Pennsylvania · River
The current water temperature at Little Lehigh Creek is 16.1 °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 147 data points since July 23, 2026.
Lowest recorded value: 15.1 °C on September 8, 2026 · highest value: 21.9 °C on September 3, 2026.
In September, temperatures have ranged between 15.1 °C and 21.9 °C.
The current value is 1.8 °C below the September average of this series.
Nearby waters
More measuring points: Little Lehigh Creek
Frequently asked questions
Can you swim at Little Lehigh Creek right now?
The current water temperature is 16.1 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Little Lehigh Creek?
Currently 16.1 °C (updated continuously).
How warm is at Little Lehigh Creek in September?
In September, the water temperature recently averaged 17.9 °C.
When is the water warmest at Little Lehigh Creek?
Across the measurement record, July is on average the warmest month (18.5 °C).
