Stillwater River near Sterling, Massachusetts water temperature

Stillwater River near Sterling, Massachusetts · River

The current water temperature at Stillwater River near Sterling is 20.2 °C (as of August 31, 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.

20.2 °C

Measured: August 31, 2026 · continuously updated

💧 Water 20.2° · ☀️ Air 21.7°

Temperature trend of recent weeks

Stillwater River near Sterling, Massachusetts — Photo: John Phelan · CC BY-SA 4.0 · Wikimedia Commons

Measurement series & statistics

This measurement series includes 494 data points since July 3, 2026.

Lowest recorded value: 16.9 °C on August 30, 2026 · highest value: 25.5 °C on July 3, 2026.

Nearby waters

Quinapoxet River at Canada Mills near Holden, Massachusetts · 5.2 km away21.7 °C Gates Brook near West Boylston, Massachusetts · 5.3 km away16.2 °C Nashua River, Water Street Bridge, at Clinton, Massachusetts · 10.3 km away22.2 °C Ware River at Intake Works near Barre, Massachusetts · 22.6 km away21.4 °C Stony Brook at Viles Street, near Weston, Massachusetts · 41.3 km away19.4 °C

Frequently asked questions

Can you swim at Stillwater River near Sterling right now?
The current water temperature is 20.2 °C. See live swimming conditions, weather and quality in the BrrChecker app.

How warm is the water at Stillwater River near Sterling?
Currently 20.2 °C (updated continuously).

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