Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA

Current Water Temperature

61.5°F

Measurement Time: Monday, June 15, 2026, 9:40 AM EDT

Temperature Locations

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Local Points of Interest

Hobbs Brook Basin

Cambridge Reservoir Tributary 3

Station 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

75.9°F
Partly cloudy
Partly cloudy
77.7°F
80.1°F
52%
NW 8.9 mph
10.3 mph
79.3°F
57.5°F
0 in
75%
9 mi
1002 mbar
5.6

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 81°F
L: 69°F
Sunny
Tue
H: 80°F
L: 52°F
Patchy rain nearby
Wed
H: 79°F
L: 55°F
Patchy rain nearby
Thu
H: 81°F
L: 61°F
Sunny
Fri
H: 83°F
L: 64°F

Air Quality

AQI: 1 - Good
PM2.5: 3.3 μg/m3
PM10: 3.7 μg/m3
Carbon Monoxide: 109 μg/m3
Nitrogen Dioxide: 1.7 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 103 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:45 AM
Sunset: 8:24 PM
Daylight: 15 hrs 17 mins
Moonrise: 5:06 AM
Moon Transit: 1:23 PM
Moonset: 9:37 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

2:56 AM - 5:26 AM
12:53 AM - 3:23 PM

Minor Periods

9:07 PM - 10:37 PM
4:36 AM - 6:06 AM

Action Rating: 4 out of 5

Coastal Flood Advisory issued June 15 at 3:10AM EDT until June 16 at 2:00AM EDT by NWS Mount Holly NJ

Effective: Mon June 15, 2026, 3:10 AM
Expires: Mon June 15, 2026, 5:00 PM

* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...Middlesex, Western Monmouth and Eastern Monmouth. * WHEN...From 8 PM this evening to 2 AM EDT Tuesday. * IMPACTS...At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible.

A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge.


Coastal Flood Statement issued June 15 at 3:01AM EDT until June 17 at 4:00AM EDT by NWS Boston/Norton MA

Effective: Mon June 15, 2026, 3:01 AM
Expires: Mon June 15, 2026, 6:00 PM

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways (2.9 to 13.0 feet Mean Lower Low Water). * WHERE...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA, Eastern Plymouth MA, Barnstable MA and Dukes MA Counties. * WHEN...Through late Tuesday night. The high tide cycles tonight, Monday night and Tuesday night are of the most concern. * IMPACTS...Shallow pockets of flooding less than one foot deep affects the lowest lying areas along the coast, including Morrissey Boulevard in Boston. Most roads remain passable. Flooding up to one foot deep affects coastal roads on the North Shore from Salem to Gloucester and Newburyport.

Do not drive through flooded roadways.


Coastal Flood Statement issued June 14 at 1:24PM EDT until June 17 at 4:00AM EDT by NWS Boston/Norton MA

Effective: Sun June 14, 2026, 1:24 PM
Expires: Mon June 15, 2026, 12:00 PM

* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways (2.9 to 13.0 feet Mean Lower Low Water). * WHERE...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA, Eastern Plymouth MA, Barnstable MA and Dukes MA Counties. * WHEN...Through late Tuesday night. The high tide cycles tonight, Monday night and Tuesday night are of the most concern. * IMPACTS...Shallow pockets of flooding less than one foot deep affects the lowest lying areas along the coast, including Morrissey Boulevard in Boston. Most roads remain passable. Flooding up to one foot deep affects coastal roads on the North Shore from Salem to Gloucester and Newburyport.

Do not drive through flooded roadways.


Monday, June 15, 2026

Weather Forecast

Patchy rain nearby
81.3°F
69.3°F
74.2°F
58%
0.01 in
17%
0%
11.2 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 4.55 μg/m3
PM10: 5.15 μg/m3
Carbon Monoxide: 120.46 μg/m3
Nitrogen Dioxide: 4.43 μg/m3
Sulphur Dioxide: 0.51 μg/m3
Ozone: 92.46 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:45 AM
Sunset: 8:24 PM
Daylight: 15 hrs 17 mins
Moonrise: 5:06 AM
Moon Transit: 1:23 PM
Moonset: 9:37 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

2:56 AM - 5:26 AM
12:53 AM - 3:23 PM

Minor Periods

9:07 PM - 10:37 PM
4:36 AM - 6:06 AM

Action Rating: 4 out of 5

Tuesday, June 16, 2026

Weather Forecast

Sunny
79.6°F
52.4°F
66°F
49%
0 in
2%
0%
8.1 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 3.16 μg/m3
PM10: 3.35 μg/m3
Carbon Monoxide: 130.42 μg/m3
Nitrogen Dioxide: 6.1 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 68.04 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:45 AM
Sunset: 8:25 PM
Daylight: 15 hrs 17 mins
Moonrise: 6:21 AM
Moon Transit: 2:29 PM
Moonset: 10:27 PM
Moon Phase: New
Moon Illumination: 1.0%

Best Times for Fishing or Hunting

Major Periods

4:03 AM - 6:33 AM
1:59 PM - 4:29 PM

Minor Periods

9:57 PM - 11:27 PM
5:51 AM - 7:21 AM

Action Rating: 3 out of 5

Wednesday, June 17, 2026

Weather Forecast

Patchy rain nearby
78.7°F
55°F
66.8°F
57%
0.09 in
57%
0%
10.1 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 8.78 μg/m3
PM10: 10.38 μg/m3
Carbon Monoxide: 153.13 μg/m3
Nitrogen Dioxide: 9.64 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 93.33 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:46 AM
Sunset: 8:25 PM
Daylight: 15 hrs 18 mins
Moonrise: 7:42 AM
Moon Transit: 3:30 PM
Moonset: 11:04 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.6%

Best Times for Fishing or Hunting

Major Periods

5:06 AM - 7:36 AM
3:00 PM - 5:30 PM

Minor Periods

12:00 AM - 12:00 AM
7:12 AM - 8:42 AM

Action Rating: 3 out of 5

Thursday, June 18, 2026

Weather Forecast

Patchy rain nearby
81.4°F
61.2°F
69.8°F
82%
0.13 in
75%
0%
13.9 mph
4.8


Air Quality

AQI: 1 - Good
PM2.5: 9.63 μg/m3
PM10: 11.97 μg/m3
Carbon Monoxide: 147.92 μg/m3
Nitrogen Dioxide: 8.81 μg/m3
Sulphur Dioxide: 0.84 μg/m3
Ozone: 89.46 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:46 AM
Sunset: 8:25 PM
Daylight: 15 hrs 18 mins
Moonrise: 9:02 AM
Moon Transit: 4:25 PM
Moonset: 12:04 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.4%

Best Times for Fishing or Hunting

Major Periods

6:04 AM - 8:34 AM
3:55 PM - 6:25 PM

Minor Periods

8:32 AM - 10:02 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Friday, June 19, 2026

Weather Forecast

Sunny
82.6°F
63.5°F
71.9°F
53%
0 in
3%
0%
13.4 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 3.42 μg/m3
PM10: 3.49 μg/m3
Carbon Monoxide: 161 μg/m3
Nitrogen Dioxide: 4.92 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 86.22 μg/m3

Astronomical

Sunrise: 5:08 AM
Sun Transit: 12:46 AM
Sunset: 8:26 PM
Daylight: 15 hrs 18 mins
Moonrise: 10:19 AM
Moon Transit: 5:15 PM
Moonset: 12:33 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.3%

Best Times for Fishing or Hunting

Major Periods

6:55 AM - 9:25 AM
4:45 PM - 7:15 PM

Minor Periods

9:49 AM - 11:19 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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