Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA

Current Water Temperature

42.6°F

Measurement Time: Saturday, March 21, 2026, 12:30 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

43°F
Overcast
Overcast
40.5°F
40.4°F
89%
W 4.3 mph
7.2 mph
38.5°F
36.7°F
0 in
100%
9 mi
1006 mbar
0

Five Day Weather Forecast

Partly Cloudy
Sat
H: 50°F
L: 39°F
Heavy rain
Sun
H: 36°F
L: 32°F
Overcast
Mon
H: 33°F
L: 28°F
Partly Cloudy
Tue
H: 43°F
L: 28°F
Overcast
Wed
H: 49°F
L: 32°F

Air Quality

AQI: 2 - Moderate
PM2.5: 9.95 μg/m3
PM10: 10.05 μg/m3
Carbon Monoxide: 265.85 μg/m3
Nitrogen Dioxide: 18.25 μg/m3
Sulphur Dioxide: 6.05 μg/m3
Ozone: 64 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:00 AM
Sunset: 6:59 PM
Daylight: 12 hrs 12 mins
Moonrise: 7:44 AM
Moon Transit: 3:02 PM
Moonset: 10:36 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

4:41 AM - 7:11 AM
2:32 PM - 5:02 PM

Minor Periods

10:06 PM - 11:36 PM
7:14 AM - 8:44 AM

Action Rating: 4 out of 5

Saturday, March 21, 2026

Weather Forecast

Partly Cloudy
49.6°F
39°F
43.4°F
70%
0 in
0%
0%
13.2 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 7.5 μg/m3
PM10: 7.76 μg/m3
Carbon Monoxide: 216.89 μg/m3
Nitrogen Dioxide: 11.98 μg/m3
Sulphur Dioxide: 4.07 μg/m3
Ozone: 88.28 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:00 AM
Sunset: 6:59 PM
Daylight: 12 hrs 12 mins
Moonrise: 7:44 AM
Moon Transit: 3:02 PM
Moonset: 10:36 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.8%

Best Times for Fishing or Hunting

Major Periods

4:41 AM - 7:11 AM
2:32 PM - 5:02 PM

Minor Periods

10:06 PM - 11:36 PM
7:14 AM - 8:44 AM

Action Rating: 4 out of 5

Sunday, March 22, 2026

Weather Forecast

Heavy rain
36.1°F
32.4°F
34.9°F
90%
0.93 in
82%
12%
9.6 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 12.47 μg/m3
PM10: 14.56 μg/m3
Carbon Monoxide: 290.73 μg/m3
Nitrogen Dioxide: 23.02 μg/m3
Sulphur Dioxide: 4.15 μg/m3
Ozone: 68.44 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:00 AM
Sunset: 7:00 PM
Daylight: 12 hrs 15 mins
Moonrise: 8:16 AM
Moon Transit: 3:58 PM
Moonset: 11:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 14.9%

Best Times for Fishing or Hunting

Major Periods

5:35 AM - 8:05 AM
3:28 PM - 5:58 PM

Minor Periods

12:00 AM - 12:00 AM
7:46 AM - 9:16 AM

Action Rating: 2 out of 5

Monday, March 23, 2026

Weather Forecast

Overcast
32.9°F
28°F
31°F
87%
0 in
0%
0%
10.7 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 6.73 μg/m3
PM10: 7.74 μg/m3
Carbon Monoxide: 247.77 μg/m3
Nitrogen Dioxide: 12.73 μg/m3
Sulphur Dioxide: 2.89 μg/m3
Ozone: 82 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:00 AM
Sunset: 7:01 PM
Daylight: 12 hrs 18 mins
Moonrise: 8:55 AM
Moon Transit: 5:00 PM
Moonset: 12:55 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.8%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
4:30 PM - 7:00 PM

Minor Periods

8:25 AM - 9:55 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Tuesday, March 24, 2026

Weather Forecast

Partly Cloudy
43.4°F
27.8°F
34.1°F
62%
0 in
0%
0%
10.3 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 8.4 μg/m3
PM10: 10.22 μg/m3
Carbon Monoxide: 202.52 μg/m3
Nitrogen Dioxide: 15.68 μg/m3
Sulphur Dioxide: 2.76 μg/m3
Ozone: 87.56 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:00 AM
Sunset: 7:02 PM
Daylight: 12 hrs 20 mins
Moonrise: 9:45 AM
Moon Transit: 6:01 PM
Moonset: 1:12 AM
Moon Phase: Waxing Crescent
Moon Illumination: 34.0%

Best Times for Fishing or Hunting

Major Periods

7:36 AM - 10:06 AM
5:31 PM - 8:01 PM

Minor Periods

9:15 AM - 10:45 AM
12:42 AM - 2:12 AM

Action Rating: 2 out of 5

Wednesday, March 25, 2026

Weather Forecast

Overcast
48.5°F
31.9°F
38.2°F
67%
0 in
0%
0%
13.2 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 15.62 μg/m3
PM10: 16.39 μg/m3
Carbon Monoxide: 265.23 μg/m3
Nitrogen Dioxide: 33.84 μg/m3
Sulphur Dioxide: 3.09 μg/m3
Ozone: 66.69 μg/m3

Astronomical

Sunrise: 6:40 AM
Sun Transit: 12:00 AM
Sunset: 7:03 PM
Daylight: 12 hrs 23 mins
Moonrise: 10:48 AM
Moon Transit: 7:04 PM
Moonset: 2:20 AM
Moon Phase: First Quarter
Moon Illumination: 45.1%

Best Times for Fishing or Hunting

Major Periods

8:39 AM - 11:09 AM
6:34 PM - 9:04 PM

Minor Periods

10:18 AM - 11:48 AM
1:50 AM - 3:20 AM

Action Rating: 3 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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