E. Branch Penobscot River below Grand Lake Matagamon · River
The current water temperature at E. Branch Penobscot River below Grand Lake Matagamon is 21.6 °C (as of July 17, 2026, source: USGS).
Can you swim at E. Branch Penobscot River below Grand Lake Matagamon right now?
The current water temperature is 21.6 °C. See live swimming conditions, weather and quality in the BrrChecker app.
How warm is the water at E. Branch Penobscot River below Grand Lake Matagamon?
Currently 21.6 °C (updated continuously).
How warm is at E. Branch Penobscot River below Grand Lake Matagamon in July?
In July, the water temperature recently averaged 23.8 °C.