Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA
Current Water Temperature
Measurement Time: Monday, March 16, 2026, 5:30 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

Mon
H: 62°F
L: 35°F

Tue
H: 44°F
L: 26°F

Wed
H: 36°F
L: 24°F

Thu
H: 43°F
L: 29°F

Fri
H: 51°F
L: 29°F
Air Quality
Nitrogen Dioxide: 10.95 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 62 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 6:53 PM
Daylight: 11 hrs 58 mins
Moon Transit: 11:00 AM
Moonset: 4:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%
Best Times for Fishing or Hunting
Major Periods
12:42 AM - 3:12 AM10:30 AM - 1:00 PM
Minor Periods
3:52 PM - 5:22 PM5:20 AM - 6:50 AM
Action Rating: 3 out of 5
Flood Watch issued March 16 at 1:50AM EDT until March 17 at 8:00AM EDT by NWS Boston/Norton MA
Effective: Mon March 16, 2026, 1:50 AM
Expires: Mon March 16, 2026, 4:00 PM
* WHAT...Flooding caused by heavy rainfall continues to be possible. * WHERE...Portions of northern Connecticut, including the following areas, Hartford CT, Tolland CT and Windham CT, Massachusetts, including the following areas, Barnstable MA, Central Middlesex MA, Eastern Essex MA, Eastern Franklin MA, Eastern Hampden MA, Eastern Hampshire MA, Eastern Norfolk MA, Eastern Plymouth MA, Northern Bristol MA, Northern Middlesex MA, Northern Worcester MA, Southeast Middlesex MA, Southern Bristol MA, Southern Plymouth MA, Southern Worcester MA, Suffolk MA, Western Essex MA, Western Franklin MA, Western Hampden MA, Western Hampshire MA, Western Norfolk MA and Western Plymouth MA, and Rhode Island, including the following areas, Bristol RI, Eastern Kent RI, Newport RI, Northwest Providence RI, Southeast Providence RI, Washington RI and Western Kent RI. * WHEN...From 5 AM EDT early this morning through Tuesday morning. * IMPACTS...Excessive runoff from heavy rainfall may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Area creeks and streams are running high and could flood with more heavy rain. * ADDITIONAL DETAILS... - http://www.weather.gov/safety/flood
You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Wind Advisory issued March 16 at 12:11AM EDT until March 17 at 8:00AM EDT by NWS Boston/Norton MA
Effective: Mon March 16, 2026, 12:11 AM
Expires: Mon March 16, 2026, 4:00 PM
* WHAT...South winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...Portions of northern Connecticut and central, eastern, and western Massachusetts. * WHEN...From 2 PM this afternoon to 8 AM EDT Tuesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and some power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.
High Wind Warning issued March 16 at 12:11AM EDT until March 17 at 6:00AM EDT by NWS Boston/Norton MA
Effective: Mon March 16, 2026, 12:11 AM
Expires: Mon March 16, 2026, 4:00 PM
* WHAT...South winds 25 to 35 mph with gusts up to 65 mph expected. * WHERE...Portions of eastern, northeastern, and southeastern Massachusetts and northern and southern Rhode Island. * WHEN...From 5 PM this afternoon to 6 AM EDT Tuesday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles.
Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.
Wind Advisory issued March 15 at 7:21PM EDT until March 17 at 8:00AM EDT by NWS Gray ME
Effective: Sun March 15, 2026, 7:21 PM
Expires: Mon March 16, 2026, 7:30 AM
* WHAT...South winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...In Maine, Coastal Waldo, Interior Waldo, Kennebec, Knox, Lincoln, Sagadahoc, Southern Somerset, Coastal Cumberland, and Coastal York Counties. In New Hampshire, Coastal Rockingham County. * WHEN...From 8 PM Monday to 8 AM EDT Tuesday. * IMPACTS...Strong winds will down tree limbs and blow around unsecured objects. A few trees and power lines could be downed. The power outage threat is elevated. * ADDITIONAL DETAILS...A small window of even stronger winds is possible late Monday evening.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Flood Watch issued March 15 at 7:21PM EDT until March 17 at 2:00PM EDT by NWS Gray ME
Effective: Sun March 15, 2026, 7:21 PM
Expires: Mon March 16, 2026, 7:30 AM
Heavy rain is expected to develop across the region Monday through Monday night. Widespread totals of 1 to 2 inches of rain are anticipated with locally higher amounts of 3 inches or greater over the White Mountains and Midcoast of Maine. Ice movement is expected across all rivers but the risk for isolated ice jam flooding will mainly be across the north. * WHAT...Flooding caused by rain and snowmelt continues to be possible. * WHERE...Portions of Maine, including the following areas, Androscoggin, Central Interior Cumberland, Central Somerset, Coastal Cumberland, Coastal Waldo, Coastal York, Interior Cumberland Highlands, Interior Waldo, Interior York, Kennebec, Knox, Lincoln, Northern Franklin, Northern Oxford, Sagadahoc, Southern Franklin, Southern Oxford and Southern Somerset and New Hampshire, including the following areas, Belknap, Cheshire, Coastal Rockingham, Eastern Hillsborough, Interior Rockingham, Merrimack, Northern Carroll, Northern Coos, Northern Grafton, Southern Carroll, Southern Coos, Southern Grafton, Strafford, Sullivan and Western And Central Hillsborough. * WHEN...From Monday afternoon through Tuesday afternoon. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Low-water crossings may be flooded.
You should monitor the latest forecast and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.
Weather Forecast
Air Quality
Nitrogen Dioxide: 11.11 μg/m3
Sulphur Dioxide: 2.46 μg/m3
Ozone: 73.6 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 6:53 PM
Daylight: 11 hrs 58 mins
Moon Transit: 11:00 AM
Moonset: 4:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%
Best Times for Fishing or Hunting
Major Periods
12:42 AM - 3:12 AM10:30 AM - 1:00 PM
Minor Periods
3:52 PM - 5:22 PM5:20 AM - 6:50 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.85 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 79.32 μg/m3
Astronomical
Sun Transit: 12:53 AM
Sunset: 6:54 PM
Daylight: 12 hrs 1 mins
Moon Transit: 11:47 AM
Moonset: 5:33 PM
Moon Phase: New
Moon Illumination: 0.1%
Best Times for Fishing or Hunting
Major Periods
1:28 AM - 3:58 AM11:17 AM - 1:47 PM
Minor Periods
5:03 PM - 6:33 PM5:43 AM - 7:13 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 12.02 μg/m3
Sulphur Dioxide: 2.87 μg/m3
Ozone: 81.16 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 6:55 PM
Daylight: 12 hrs 3 mins
Moon Transit: 12:00 AM
Moonset: 6:46 PM
Moon Phase: New
Moon Illumination: 2.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:14 AM - 4:44 AM
Minor Periods
6:16 PM - 7:46 PM6:05 AM - 7:35 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 23.19 μg/m3
Sulphur Dioxide: 4.31 μg/m3
Ozone: 64.44 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 6:56 PM
Daylight: 12 hrs 6 mins
Moon Transit: 1:31 AM
Moonset: 8:00 PM
Moon Phase: New
Moon Illumination: 0.3%
Best Times for Fishing or Hunting
Major Periods
1:01 AM - 3:31 AM1:01 AM - 3:31 AM
Minor Periods
7:30 PM - 9:00 PM6:26 AM - 7:56 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 13.72 μg/m3
Sulphur Dioxide: 4 μg/m3
Ozone: 78.62 μg/m3
Astronomical
Sun Transit: 10:27 AM
Sunset: 6:57 PM
Daylight: 12 hrs 9 mins
Moon Transit: 2:09 PM
Moonset: 9:16 PM
Moon Phase: New
Moon Illumination: 2.8%
Best Times for Fishing or Hunting
Major Periods
3:49 AM - 6:19 AM1:39 PM - 4:09 PM
Minor Periods
8:46 PM - 10:16 PM6:48 AM - 8:18 AM
Action Rating: 5 out of 5
