Saco River water temperature
Saco River, River Street, at Bartlett, New Hampshire · River
The current water temperature at Saco River is 11.3 °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: 11.3 °C on September 21, 2026 · highest value: 21.8 °C on August 28, 2026.
In September, temperatures have ranged between 11.3 °C and 20.5 °C.
The current value is 5.1 °C below the September average of this series.
Nearby waters
Frequently asked questions
Can you swim at Saco River right now?
The current water temperature is 11.3 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at Saco River?
Currently 11.3 °C (updated continuously).
How warm is at Saco River in September?
In September, the water temperature recently averaged 16.4 °C.
When is the water warmest at Saco River?
Across the measurement record, August is on average the warmest month (18.3 °C).
