Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA
Current Water Temperature
Measurement Time: Friday, June 5, 2026, 8:40 AM EDT
Temperature Locations
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Local Points of Interest
Hobbs Brook BasinStation Name: CAMBRIDGE RES., UNNAMED TRIB 3, NR LEXINGTON, MA
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 197 feet
Nearest Address:
170 Data Dr
Waltham, MA 02451
Middlesex County
GPS Coordinates: 42.4198177, -71.2575565
Nearby Water Temperatures
Cambridge Reservoir, Lincoln, MA (0.7 mi)Cambridge Reservoir Tributary 2, Lexington, MA (1.1 mi)
Cambridge Reservoir Tributary 1, Lexington, MA (1.2 mi)
Hobbs Brook, Lincoln, MA (1.3 mi)
Stony Brook, Waltham, MA (1.7 mi)
Stony Brook, Weston, MA (2.9 mi)
Stony Brook Tributary, Waltham, MA (3.3 mi)
Shawsheen River, Bedford, MA (3.3 mi)
Stony Brook Tributary, Weston, MA (3.5 mi)
Stony Brook, Weston, MA (3.6 mi)
Stony Brook Reservoir Tributary, Weston, MA (4.5 mi)
Fresh Pond, Cambridge, MA (6.2 mi)
Nashua River, Clinton, MA (20.8 mi)
Gates Brook, West Boylston, MA (26.7 mi)
Stillwater River, Sterling, MA (27.2 mi)
Weather for Waltham, Massachusetts
Current Weather

Five Day Weather Forecast

Fri
H: 93°F
L: 59°F

Sat
H: 87°F
L: 62°F

Sun
H: 78°F
L: 56°F

Mon
H: 80°F
L: 51°F

Tue
H: 86°F
L: 56°F
Air Quality
Nitrogen Dioxide: 2.4 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 157 μg/m3
Astronomical
Sun Transit: 12:43 AM
Sunset: 8:19 PM
Daylight: 15 hrs 10 mins
Moon Transit: 4:39 AM
Moonset: 9:35 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.0%
Best Times for Fishing or Hunting
Major Periods
4:09 AM - 6:39 AM7:07 PM - 9:37 PM
Minor Periods
9:05 AM - 10:35 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Beach Hazards Statement issued June 5 at 2:53AM EDT until June 5 at 8:00PM EDT by NWS Gray ME
Effective: Fri June 5, 2026, 2:53 AM
Expires: Fri June 5, 2026, 3:00 PM
* WHAT...Warm air temperatures in the 80s may cause people to underestimate the dangers of the cold water temperatures in the low to mid 50s. * WHERE...In Maine, Coastal York, Coastal Cumberland, Sagadahoc, Lincoln, Knox and Coastal Waldo Counties. In New Hampshire, Coastal Rockingham County. * WHEN...From Friday morning through Friday evening. * IMPACTS...When the water temperature is below 60 degrees, the average submerged person could lose dexterity within minutes and be unable to accomplish simple tasks. Anyone on boats or paddlecraft should use extreme caution to avoid this threat.
A Beach Hazards Statement is issued on days when a significant number of boats and paddlecraft are expected to be out on the water and when warm air temperatures may cause people to underestimate the danger of the cold water. Paddle smart from the start. Always wear your life jacket. Be aware of wind conditions, tides, and localized currents. All boaters and paddlers are highly encouraged to contact the U.S. Coast Guard Auxiliary or U.S. Power Squadrons at www.wow.uscgaux/i_want_a_usc/index.php to receive a FREE vessel check. This is a convenient, no consequence way to ensure your vessel is outfitted with all required safety equipment. Additionally, please label your paddlecraft with your contact information (IF FOUND Sticker) in the event it is found adrift on the water.
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.22 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 112.75 μg/m3
Astronomical
Sun Transit: 12:43 AM
Sunset: 8:19 PM
Daylight: 15 hrs 10 mins
Moon Transit: 4:39 AM
Moonset: 9:35 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.0%
Best Times for Fishing or Hunting
Major Periods
4:09 AM - 6:39 AM7:07 PM - 9:37 PM
Minor Periods
9:05 AM - 10:35 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 12.14 μg/m3
Sulphur Dioxide: 1.66 μg/m3
Ozone: 125.29 μg/m3
Astronomical
Sun Transit: 12:43 AM
Sunset: 8:19 PM
Daylight: 15 hrs 11 mins
Moon Transit: 5:24 AM
Moonset: 10:41 AM
Moon Phase: Last Quarter
Moon Illumination: 53.9%
Best Times for Fishing or Hunting
Major Periods
4:54 AM - 7:24 AM7:51 PM - 10:21 PM
Minor Periods
10:11 AM - 11:41 AM12:00 AM - 12:00 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.08 μg/m3
Sulphur Dioxide: 0.59 μg/m3
Ozone: 89.38 μg/m3
Astronomical
Sun Transit: 12:43 AM
Sunset: 8:20 PM
Daylight: 15 hrs 12 mins
Moon Transit: 6:08 AM
Moonset: 11:47 AM
Moon Phase: Last Quarter
Moon Illumination: 42.6%
Best Times for Fishing or Hunting
Major Periods
5:38 AM - 8:08 AM8:34 PM - 11:04 PM
Minor Periods
11:17 AM - 12:47 AM12:10 AM - 1:40 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.38 μg/m3
Sulphur Dioxide: 0.82 μg/m3
Ozone: 72.5 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 8:21 PM
Daylight: 15 hrs 13 mins
Moon Transit: 6:51 AM
Moonset: 12:55 AM
Moon Phase: Last Quarter
Moon Illumination: 31.6%
Best Times for Fishing or Hunting
Major Periods
6:21 AM - 8:51 AM9:18 PM - 11:48 PM
Minor Periods
12:25 AM - 1:55 PM12:30 AM - 2:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 39.76 μg/m3
Sulphur Dioxide: 1.3 μg/m3
Ozone: 30.11 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 8:21 PM
Daylight: 15 hrs 14 mins
Moon Transit: 6:27 AM
Moonset: 2:04 PM
Moon Phase: Last Quarter
Moon Illumination: 21.6%
Best Times for Fishing or Hunting
Major Periods
5:57 AM - 8:27 AM5:57 AM - 8:27 AM
Minor Periods
1:34 PM - 3:04 PM12:50 AM - 2:20 AM
Action Rating: 2 out of 5
