Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA

Current Water Temperature

50.4°F

Measurement Time: Tuesday, March 31, 2026, 9:30 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

62.1°F
Partly cloudy
Partly cloudy
62.1°F
67.9°F
80%
WSW 12.1 mph
14.3 mph
66.5°F
64.4°F
0.02 in
75%
9 mi
1014 mbar
3.7

Five Day Weather Forecast

Moderate rain
Tue
H: 70°F
L: 42°F
Patchy rain nearby
Wed
H: 60°F
L: 41°F
Overcast
Thu
H: 36°F
L: 35°F
Cloudy
Fri
H: 71°F
L: 36°F
Patchy rain nearby
Sat
H: 64°F
L: 42°F

Air Quality

AQI: 1 - Good
PM2.5: 11.85 μg/m3
PM10: 12.05 μg/m3
Carbon Monoxide: 347.85 μg/m3
Nitrogen Dioxide: 18.05 μg/m3
Sulphur Dioxide: 5.45 μg/m3
Ozone: 89 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 12:00 AM
Sunset: 7:10 PM
Daylight: 12 hrs 40 mins
Moonrise: 5:58 PM
Moon Transit: 12:00 AM
Moonset: 5:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:49 PM - 4:19 PM

Minor Periods

5:28 PM - 6:58 PM
5:13 AM - 6:43 AM

Action Rating: 4 out of 5

Tuesday, March 31, 2026

Weather Forecast

Moderate rain
70.2°F
42.1°F
55.4°F
83%
0.21 in
86%
0%
12.5 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 13.63 μg/m3
PM10: 13.83 μg/m3
Carbon Monoxide: 261.29 μg/m3
Nitrogen Dioxide: 20.86 μg/m3
Sulphur Dioxide: 6.52 μg/m3
Ozone: 70.68 μg/m3

Astronomical

Sunrise: 6:29 AM
Sun Transit: 12:00 AM
Sunset: 7:10 PM
Daylight: 12 hrs 40 mins
Moonrise: 5:58 PM
Moon Transit: 12:00 AM
Moonset: 5:43 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.6%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:49 PM - 4:19 PM

Minor Periods

5:28 PM - 6:58 PM
5:13 AM - 6:43 AM

Action Rating: 4 out of 5

Wednesday, April 1, 2026

Weather Forecast

Patchy rain nearby
60.1°F
40.8°F
51.2°F
84%
0.02 in
84%
0%
13 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 9.2 μg/m3
PM10: 9.5 μg/m3
Carbon Monoxide: 198.89 μg/m3
Nitrogen Dioxide: 16.23 μg/m3
Sulphur Dioxide: 5.01 μg/m3
Ozone: 78.76 μg/m3

Astronomical

Sunrise: 6:28 AM
Sun Transit: 12:00 AM
Sunset: 7:11 PM
Daylight: 12 hrs 43 mins
Moonrise: 7:04 PM
Moon Transit: 12:06 AM
Moonset: 6:03 AM
Moon Phase: Full
Moon Illumination: 99.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:31 PM - 5:01 PM

Minor Periods

6:34 PM - 8:04 PM
5:33 AM - 7:03 AM

Action Rating: 3 out of 5

Thursday, April 2, 2026

Weather Forecast

Overcast
36°F
34.5°F
36.3°F
86%
0 in
0%
0%
8.9 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 4.87 μg/m3
PM10: 6.01 μg/m3
Carbon Monoxide: 183.41 μg/m3
Nitrogen Dioxide: 10.54 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 74.4 μg/m3

Astronomical

Sunrise: 6:26 AM
Sun Transit: 12:00 AM
Sunset: 7:12 PM
Daylight: 12 hrs 46 mins
Moonrise: 8:10 PM
Moon Transit: 12:48 AM
Moonset: 6:23 AM
Moon Phase: Full
Moon Illumination: 99.5%

Best Times for Fishing or Hunting

Major Periods

12:18 AM - 2:48 AM
3:14 PM - 5:44 PM

Minor Periods

7:40 PM - 9:10 PM
5:53 AM - 7:23 AM

Action Rating: 4 out of 5

Friday, April 3, 2026

Weather Forecast

Cloudy
71.1°F
35.8°F
50.9°F
83%
0 in
0%
0%
13.2 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 7.26 μg/m3
PM10: 8.41 μg/m3
Carbon Monoxide: 188.89 μg/m3
Nitrogen Dioxide: 13.13 μg/m3
Sulphur Dioxide: 3.15 μg/m3
Ozone: 72.12 μg/m3

Astronomical

Sunrise: 6:24 AM
Sun Transit: 12:48 AM
Sunset: 7:13 PM
Daylight: 12 hrs 49 mins
Moonrise: 9:16 PM
Moon Transit: 1:31 AM
Moonset: 6:44 AM
Moon Phase: Full
Moon Illumination: 96.6%

Best Times for Fishing or Hunting

Major Periods

1:01 AM - 3:31 AM
3:58 PM - 6:28 PM

Minor Periods

8:46 PM - 10:16 PM
6:14 AM - 7:44 AM

Action Rating: 4 out of 5

Saturday, April 4, 2026

Weather Forecast

Patchy rain nearby
64.1°F
41.6°F
53.5°F
67%
0.01 in
59%
0%
13.2 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 9.5 μg/m3
PM10: 9.7 μg/m3
Carbon Monoxide: 213.77 μg/m3
Nitrogen Dioxide: 14.8 μg/m3
Sulphur Dioxide: 4.7 μg/m3
Ozone: 74.85 μg/m3

Astronomical

Sunrise: 6:22 AM
Sun Transit: 12:47 AM
Sunset: 7:14 PM
Daylight: 12 hrs 52 mins
Moonrise: 10:22 PM
Moon Transit: 2:15 AM
Moonset: 7:07 AM
Moon Phase: Full
Moon Illumination: 91.3%

Best Times for Fishing or Hunting

Major Periods

1:45 AM - 4:15 AM
4:43 PM - 7:13 PM

Minor Periods

9:52 PM - 11:22 PM
6:37 AM - 8:07 AM

Action Rating: 5 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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