Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA

Current Water Temperature

64.8°F

Measurement Time: Thursday, September 17, 2026, 6:40 PM 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

69°F
Chance Rain Showers
Chance Rain Showers
93%
S 6 mph
67°F

Weather Forecast

Chance Rain Showers
Tonight
66°F - Chance Rain Showers
Patchy Fog then Sunny
Friday
77°F - Patchy Fog then Sunny
Partly Cloudy
Friday Night
45°F - Partly Cloudy
Mostly Sunny
Saturday
65°F - Mostly Sunny
Partly Cloudy
Saturday Night
50°F - Partly Cloudy
Rain Showers Likely
Sunday
64°F - Rain Showers Likely
Rain Showers Likely
Sunday Night
54°F - Rain Showers Likely
Chance Rain Showers then Partly Sunny
Monday
66°F - Chance Rain Showers then Partly Sunny
Mostly Cloudy then Slight Chance Rain Showers
Monday Night
50°F - Mostly Cloudy then Slight Chance Rain Showers
Slight Chance Rain Showers then Partly Sunny
Tuesday
59°F - Slight Chance Rain Showers then Partly Sunny
Partly Cloudy
Tuesday Night
48°F - Partly Cloudy
Mostly Sunny
Wednesday
60°F - Mostly Sunny
Partly Cloudy
Wednesday Night
48°F - Partly Cloudy
Slight Chance Rain Showers
Thursday
61°F - Slight Chance Rain Showers

Astronomical

Sunrise: 6:27 AM
Sun Transit: 12:39 AM
Sunset: 6:51 PM
Daylight: 12 hrs 24 mins
Moonrise: 1:33 PM
Moon Transit: 5:48 PM
Moonset: 10:01 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

7:27 AM - 9:57 AM
5:18 PM - 7:48 PM

Minor Periods

9:31 PM - 11:01 PM
1:03 PM - 2:33 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: 6:27 AM
Sun Transit: 12:39 AM
Sunset: 6:51 PM
Daylight: 12 hrs 24 mins
Moonrise: 1:33 PM
Moon Transit: 5:48 PM
Moonset: 10:01 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

7:27 AM - 9:57 AM
5:18 PM - 7:48 PM

Minor Periods

9:31 PM - 11:01 PM
1:03 PM - 2:33 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: 6:28 AM
Sun Transit: 12:39 AM
Sunset: 6:49 PM
Daylight: 12 hrs 21 mins
Moonrise: 2:29 PM
Moon Transit: 6:39 PM
Moonset: 10:51 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
6:09 PM - 8:39 PM

Minor Periods

10:21 PM - 11:51 PM
1:59 PM - 3:29 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: 6:28 AM
Sun Transit: 12:39 AM
Sunset: 6:49 PM
Daylight: 12 hrs 21 mins
Moonrise: 2:29 PM
Moon Transit: 6:39 PM
Moonset: 10:51 PM
Moon Phase: First Quarter
Moon Illumination: 43.0%

Best Times for Fishing or Hunting

Major Periods

8:19 AM - 10:49 AM
6:09 PM - 8:39 PM

Minor Periods

10:21 PM - 11:51 PM
1:59 PM - 3:29 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: 6:30 AM
Sun Transit: 12:38 AM
Sunset: 6:48 PM
Daylight: 12 hrs 18 mins
Moonrise: 3:16 PM
Moon Transit: 7:30 PM
Moonset: 11:48 PM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

9:10 AM - 11:40 AM
7:00 PM - 9:30 PM

Minor Periods

12:00 AM - 12:00 AM
2:46 PM - 4:16 PM

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: 6:30 AM
Sun Transit: 12:38 AM
Sunset: 6:48 PM
Daylight: 12 hrs 18 mins
Moonrise: 3:16 PM
Moon Transit: 7:30 PM
Moonset: 11:48 PM
Moon Phase: First Quarter
Moon Illumination: 54.3%

Best Times for Fishing or Hunting

Major Periods

9:10 AM - 11:40 AM
7:00 PM - 9:30 PM

Minor Periods

12:00 AM - 12:00 AM
2:46 PM - 4:16 PM

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: 6:31 AM
Sun Transit: 12:38 AM
Sunset: 6:46 PM
Daylight: 12 hrs 15 mins
Moonrise: 3:56 PM
Moon Transit: 8:20 PM
Moonset: 12:48 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

10:01 AM - 12:31 AM
7:50 PM - 10:20 PM

Minor Periods

3:26 PM - 4:56 PM
12:00 AM - 12:00 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: 6:31 AM
Sun Transit: 12:38 AM
Sunset: 6:46 PM
Daylight: 12 hrs 15 mins
Moonrise: 3:56 PM
Moon Transit: 8:20 PM
Moonset: 12:48 AM
Moon Phase: First Quarter
Moon Illumination: 65.4%

Best Times for Fishing or Hunting

Major Periods

10:01 AM - 12:31 AM
7:50 PM - 10:20 PM

Minor Periods

3:26 PM - 4:56 PM
12:00 AM - 12:00 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: 6:32 AM
Sun Transit: 12:38 AM
Sunset: 6:44 PM
Daylight: 12 hrs 13 mins
Moonrise: 4:29 PM
Moon Transit: 9:08 PM
Moonset: 12:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

10:50 AM - 1:20 PM
8:38 PM - 11:08 PM

Minor Periods

3:59 PM - 5:29 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: 6:32 AM
Sun Transit: 12:38 AM
Sunset: 6:44 PM
Daylight: 12 hrs 13 mins
Moonrise: 4:29 PM
Moon Transit: 9:08 PM
Moonset: 12:51 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 75.7%

Best Times for Fishing or Hunting

Major Periods

10:50 AM - 1:20 PM
8:38 PM - 11:08 PM

Minor Periods

3:59 PM - 5:29 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: 6:33 AM
Sun Transit: 12:37 AM
Sunset: 6:42 PM
Daylight: 12 hrs 10 mins
Moonrise: 4:56 PM
Moon Transit: 9:55 PM
Moonset: 1:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

11:37 AM - 2:07 PM
9:25 PM - 11:55 PM

Minor Periods

4:26 PM - 5:56 PM
1:27 AM - 2:57 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: 6:33 AM
Sun Transit: 12:37 AM
Sunset: 6:42 PM
Daylight: 12 hrs 10 mins
Moonrise: 4:56 PM
Moon Transit: 9:55 PM
Moonset: 1:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 84.7%

Best Times for Fishing or Hunting

Major Periods

11:37 AM - 2:07 PM
9:25 PM - 11:55 PM

Minor Periods

4:26 PM - 5:56 PM
1:27 AM - 2:57 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: 6:34 AM
Sun Transit: 12:37 AM
Sunset: 6:41 PM
Daylight: 12 hrs 7 mins
Moonrise: 5:19 PM
Moon Transit: 10:39 PM
Moonset: 3:03 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

12:22 AM - 2:52 PM
12:00 AM - 12:00 AM

Minor Periods

4:49 PM - 6:19 PM
2:33 AM - 4:03 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: 6:34 AM
Sun Transit: 12:37 AM
Sunset: 6:41 PM
Daylight: 12 hrs 7 mins
Moonrise: 5:19 PM
Moon Transit: 10:39 PM
Moonset: 3:03 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 91.9%

Best Times for Fishing or Hunting

Major Periods

12:22 AM - 2:52 PM
12:00 AM - 12:00 AM

Minor Periods

4:49 PM - 6:19 PM
2:33 AM - 4:03 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: 6:35 AM
Sun Transit: 12:36 AM
Sunset: 6:39 PM
Daylight: 12 hrs 4 mins
Moonrise: 5:40 PM
Moon Transit: 11:24 PM
Moonset: 4:11 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 97.0%

Best Times for Fishing or Hunting

Major Periods

1:06 PM - 3:36 PM
12:00 AM - 12:00 AM

Minor Periods

5:10 PM - 6:40 PM
3:41 AM - 5:11 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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