Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA

Current Water Temperature

32.0°F

Measurement Time: Saturday, October 3, 2026, 2:01 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

56°F
Sunny
Sunny
80%
N 6 mph
50°F

Weather Forecast

Sunny
Today
69°F - Sunny
Mostly Clear then Patchy Fog
Tonight
45°F - Mostly Clear then Patchy Fog
Patchy Fog then Mostly Sunny
Sunday
64°F - Patchy Fog then Mostly Sunny
Chance Rain Showers
Sunday Night
50°F - Chance Rain Showers
Chance Rain Showers then Mostly Sunny
Monday
68°F - Chance Rain Showers then Mostly Sunny
Mostly Clear
Monday Night
42°F - Mostly Clear
Sunny
Tuesday
59°F - Sunny
Clear
Tuesday Night
39°F - Clear
Sunny
Wednesday
62°F - Sunny
Mostly Clear
Wednesday Night
45°F - Mostly Clear
Sunny
Thursday
67°F - Sunny
Mostly Clear
Thursday Night
49°F - Mostly Clear
Sunny
Friday
67°F - Sunny
Mostly Clear
Friday Night
48°F - Mostly Clear

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:34 AM
Sunset: 6:23 PM
Daylight: 11 hrs 38 mins
Moonrise: 11:34 PM
Moon Transit: 6:35 AM
Moonset: 2:43 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:05 AM - 8:35 AM
9:11 PM - 11:41 PM

Minor Periods

12:00 AM - 12:00 AM
2:13 PM - 3:43 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:34 AM
Sunset: 6:23 PM
Daylight: 11 hrs 38 mins
Moonrise: 11:34 PM
Moon Transit: 6:35 AM
Moonset: 2:43 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:05 AM - 8:35 AM
9:11 PM - 11:41 PM

Minor Periods

12:00 AM - 12:00 AM
2:13 PM - 3:43 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:34 AM
Sunset: 6:23 PM
Daylight: 11 hrs 38 mins
Moonrise: 11:34 PM
Moon Transit: 6:35 AM
Moonset: 2:43 PM
Moon Phase: Last Quarter
Moon Illumination: 43.9%

Best Times for Fishing or Hunting

Major Periods

6:05 AM - 8:35 AM
9:11 PM - 11:41 PM

Minor Periods

12:00 AM - 12:00 AM
2:13 PM - 3:43 PM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:33 AM
Sunset: 6:21 PM
Daylight: 11 hrs 36 mins
Moonrise: 12:34 AM
Moon Transit: 7:35 AM
Moonset: 3:25 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:05 AM - 9:35 AM
12:00 AM - 12:00 AM

Minor Periods

2:55 PM - 4:25 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:33 AM
Sunset: 6:21 PM
Daylight: 11 hrs 36 mins
Moonrise: 12:34 AM
Moon Transit: 7:35 AM
Moonset: 3:25 PM
Moon Phase: Last Quarter
Moon Illumination: 32.9%

Best Times for Fishing or Hunting

Major Periods

7:05 AM - 9:35 AM
12:00 AM - 12:00 AM

Minor Periods

2:55 PM - 4:25 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:33 AM
Sunset: 6:20 PM
Daylight: 11 hrs 33 mins
Moonrise: 12:51 AM
Moon Transit: 8:31 AM
Moonset: 3:58 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:01 AM - 10:31 AM
12:00 AM - 12:00 AM

Minor Periods

3:28 PM - 4:58 PM
12:21 AM - 1:51 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:33 AM
Sunset: 6:20 PM
Daylight: 11 hrs 33 mins
Moonrise: 12:51 AM
Moon Transit: 8:31 AM
Moonset: 3:58 PM
Moon Phase: Last Quarter
Moon Illumination: 22.8%

Best Times for Fishing or Hunting

Major Periods

8:01 AM - 10:31 AM
12:00 AM - 12:00 AM

Minor Periods

3:28 PM - 4:58 PM
12:21 AM - 1:51 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:33 AM
Sunset: 6:18 PM
Daylight: 11 hrs 30 mins
Moonrise: 2:07 AM
Moon Transit: 9:23 AM
Moonset: 4:26 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
12:00 AM - 12:00 AM

Minor Periods

3:56 PM - 5:26 PM
1:37 AM - 3:07 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:33 AM
Sunset: 6:18 PM
Daylight: 11 hrs 30 mins
Moonrise: 2:07 AM
Moon Transit: 9:23 AM
Moonset: 4:26 PM
Moon Phase: Waning Crescent
Moon Illumination: 14.1%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
12:00 AM - 12:00 AM

Minor Periods

3:56 PM - 5:26 PM
1:37 AM - 3:07 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:32 AM
Sunset: 6:16 PM
Daylight: 11 hrs 27 mins
Moonrise: 3:21 AM
Moon Transit: 10:11 AM
Moonset: 4:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:41 AM - 12:11 AM

Minor Periods

4:19 PM - 5:49 PM
2:51 AM - 4:21 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:49 AM
Sun Transit: 12:32 AM
Sunset: 6:16 PM
Daylight: 11 hrs 27 mins
Moonrise: 3:21 AM
Moon Transit: 10:11 AM
Moonset: 4:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 7.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:41 AM - 12:11 AM

Minor Periods

4:19 PM - 5:49 PM
2:51 AM - 4:21 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:32 AM
Sunset: 6:15 PM
Daylight: 11 hrs 24 mins
Moonrise: 4:33 AM
Moon Transit: 10:57 AM
Moonset: 5:10 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:39 AM - 3:09 AM
10:27 AM - 12:57 AM

Minor Periods

4:40 PM - 6:10 PM
4:03 AM - 5:33 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:32 AM
Sunset: 6:15 PM
Daylight: 11 hrs 24 mins
Moonrise: 4:33 AM
Moon Transit: 10:57 AM
Moonset: 5:10 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.5%

Best Times for Fishing or Hunting

Major Periods

12:39 AM - 3:09 AM
10:27 AM - 12:57 AM

Minor Periods

4:40 PM - 6:10 PM
4:03 AM - 5:33 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:32 AM
Sunset: 6:13 PM
Daylight: 11 hrs 22 mins
Moonrise: 5:43 AM
Moon Transit: 11:42 AM
Moonset: 5:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:24 AM - 3:54 AM
11:12 AM - 1:42 PM

Minor Periods

5:00 PM - 6:30 PM
5:13 AM - 6:43 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:32 AM
Sunset: 6:13 PM
Daylight: 11 hrs 22 mins
Moonrise: 5:43 AM
Moon Transit: 11:42 AM
Moonset: 5:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:24 AM - 3:54 AM
11:12 AM - 1:42 PM

Minor Periods

5:00 PM - 6:30 PM
5:13 AM - 6:43 AM

Action Rating: 4 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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