STONY BROOK AT RT 20 AT WALTHAM, MA

WESTON, MA42.3690°N, -71.2706°W Updated 25 min ago

FLOW RATE

49.7cfs

GAUGE HT

5.72ft

WATER TEMP

22°F

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

49.7cfs 7.6% vs avg

Optimal band: 21–29 cfs

PERIOD HIGH

49.7cfs

PERIOD LOW

22.1cfs

RUNNABLE

75%

last 1 day in band

Gauge Height

5.72ft

Water Temperature

21.9°F

Precipitation History

Your History · STONY BROOK AT RT 20 AT WALTHAM, MA

Track your history

Sign in to track your sessions at STONY BROOK AT RT 20 AT WALTHAM, MA — best days, monthly trends, and time on the water.

42.3690, -71.2706

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-07 23:10 UTC

Site #01104460·USGS

Create a free account to save favorites, set flow alerts, and track conditions