Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA

Current Water Temperature

63.1°F

Measurement Time: Sunday, June 21, 2026, 11:40 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

78.1°F
Partly cloudy
Partly cloudy
78.4°F
81.4°F
36%
NNW 9.4 mph
12.8 mph
81.7°F
56.3°F
0 in
75%
9 mi
1009 mbar
1.9

Five Day Weather Forecast

Sunny
Sun
H: 83°F
L: 59°F
Heavy rain
Mon
H: 75°F
L: 59°F
Moderate rain
Tue
H: 66°F
L: 59°F
Sunny
Wed
H: 82°F
L: 56°F
Sunny
Thu
H: 85°F
L: 58°F

Air Quality

AQI: 1 - Good
PM2.5: 2.6 μg/m3
PM10: 2.7 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 1.6 μg/m3
Sulphur Dioxide: 0.3 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 5:08 AM
Sun Transit: 12:46 AM
Sunset: 8:26 PM
Daylight: 15 hrs 18 mins
Moonrise: 12:39 AM
Moon Transit: 6:44 PM
Moonset: 12:19 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

8:27 AM - 10:57 AM
6:14 PM - 8:44 PM

Minor Periods

12:09 AM - 1:39 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Marine Weather Statement issued June 21 at 4:04PM EDT by NWS Boston/Norton MA

Effective: Sun June 21, 2026, 4:04 PM
Expires: Sun June 21, 2026, 5:00 PM

The areas affected include... Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary... Massachusetts Bay and Ipswich Bay... At 404 PM EDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots and small hail. This thunderstorm was located near Marblehead Neck, moving southeast at 30 knots. Locations impacted include... Beverly Harbor, The Coastal Waters East Of Boston Harbor, Stellwagen Bank, and Marblehead Neck.

Expect gusty winds to around 30 knots...briefly rough seas and lightning strikes. Consider heading for safe harbor until this storm passes. This a strong thunderstorm will produce winds to around 30 knots... and could pose a serious hazard for boaters. A Special Marine Warning may be issued when this storm reaches the nearshore waters. Boaters should consider heading for shore before the storm arrives.
Sunday, June 21, 2026

Weather Forecast

Sunny
82.9°F
58.6°F
70.4°F
58%
0 in
4%
0%
10.5 mph
7.5


Air Quality

AQI: 1 - Good
PM2.5: 4.21 μg/m3
PM10: 4.32 μg/m3
Carbon Monoxide: 144.75 μg/m3
Nitrogen Dioxide: 6.85 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 69.92 μg/m3

Astronomical

Sunrise: 5:08 AM
Sun Transit: 12:46 AM
Sunset: 8:26 PM
Daylight: 15 hrs 18 mins
Moonrise: 12:39 AM
Moon Transit: 6:44 PM
Moonset: 12:19 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

8:27 AM - 10:57 AM
6:14 PM - 8:44 PM

Minor Periods

12:09 AM - 1:39 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Monday, June 22, 2026

Weather Forecast

Heavy rain
75.3°F
58.6°F
63.3°F
80%
0.88 in
79%
0%
10.3 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 10.05 μg/m3
PM10: 10.68 μg/m3
Carbon Monoxide: 199.04 μg/m3
Nitrogen Dioxide: 20.16 μg/m3
Sulphur Dioxide: 0.96 μg/m3
Ozone: 66.46 μg/m3

Astronomical

Sunrise: 5:08 AM
Sun Transit: 12:47 AM
Sunset: 8:26 PM
Daylight: 15 hrs 18 mins
Moonrise: 1:44 PM
Moon Transit: 7:26 PM
Moonset: 12:39 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

9:09 AM - 11:39 AM
6:56 PM - 9:26 PM

Minor Periods

1:14 PM - 2:44 PM
12:09 AM - 1:39 AM

Action Rating: 2 out of 5

Tuesday, June 23, 2026

Weather Forecast

Moderate rain
65.8°F
58.6°F
61.5°F
97%
0.3 in
92%
0%
5.8 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 5.95 μg/m3
PM10: 6.15 μg/m3
Carbon Monoxide: 160.17 μg/m3
Nitrogen Dioxide: 13.41 μg/m3
Sulphur Dioxide: 0.69 μg/m3
Ozone: 79.38 μg/m3

Astronomical

Sunrise: 5:08 AM
Sun Transit: 12:47 AM
Sunset: 8:26 PM
Daylight: 15 hrs 18 mins
Moonrise: 2:49 PM
Moon Transit: 8:08 PM
Moonset: 12:58 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

9:51 AM - 12:21 AM
7:38 PM - 10:08 PM

Minor Periods

2:19 PM - 3:49 PM
12:28 AM - 1:58 AM

Action Rating: 2 out of 5

Wednesday, June 24, 2026

Weather Forecast

Sunny
82.4°F
55.6°F
68.1°F
65%
0 in
5%
0%
10.3 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 5.69 μg/m3
PM10: 5.73 μg/m3
Carbon Monoxide: 178.54 μg/m3
Nitrogen Dioxide: 13.94 μg/m3
Sulphur Dioxide: 0.65 μg/m3
Ozone: 53.17 μg/m3

Astronomical

Sunrise: 5:09 AM
Sun Transit: 12:47 AM
Sunset: 8:26 PM
Daylight: 15 hrs 18 mins
Moonrise: 3:54 PM
Moon Transit: 8:52 PM
Moonset: 1:19 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

10:35 AM - 1:05 PM
8:22 PM - 10:52 PM

Minor Periods

3:24 PM - 4:54 PM
12:49 AM - 2:19 AM

Action Rating: 3 out of 5

Thursday, June 25, 2026

Weather Forecast

Sunny
84.6°F
57.9°F
70.2°F
59%
0 in
5%
0%
9.2 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 6.61 μg/m3
PM10: 6.68 μg/m3
Carbon Monoxide: 185.33 μg/m3
Nitrogen Dioxide: 17.89 μg/m3
Sulphur Dioxide: 0.58 μg/m3
Ozone: 29.56 μg/m3

Astronomical

Sunrise: 5:09 AM
Sun Transit: 12:47 AM
Sunset: 8:26 PM
Daylight: 15 hrs 17 mins
Moonrise: 4:59 PM
Moon Transit: 9:38 PM
Moonset: 1:44 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

11:20 AM - 1:50 PM
9:08 PM - 11:38 PM

Minor Periods

4:29 PM - 5:59 PM
1:14 AM - 2:44 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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