Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA

Current Water Temperature

34.3°F

Measurement Time: Thursday, January 1, 2026, 12:30 AM EST

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

28°F
Overcast
Overcast
19.4°F
27.1°F
88%
SW 8.9 mph
13.2 mph
19.4°F
24.8°F
0.01 in
100%
9 mi
999 mbar
0

Five Day Weather Forecast

Patchy snow nearby
Thu
H: 27°F
L: 15°F
Sunny
Fri
H: 29°F
L: 12°F
Partly Cloudy
Sat
H: 32°F
L: 21°F
Moderate snow
Sun
H: 33°F
L: 23°F
Sunny
Mon
H: 26°F
L: 13°F

Air Quality

AQI: 1 - Good
PM2.5: 7.45 μg/m3
PM10: 7.55 μg/m3
Carbon Monoxide: 219.85 μg/m3
Nitrogen Dioxide: 14.75 μg/m3
Sulphur Dioxide: 7.15 μg/m3
Ozone: 47 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:48 AM
Sunset: 4:23 PM
Daylight: 9 hrs 9 mins
Moonrise: 2:13 PM
Moon Transit: 10:30 PM
Moonset: 5:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

12:03 AM - 2:33 PM
12:00 AM - 12:00 AM

Minor Periods

1:43 PM - 3:13 PM
5:08 AM - 6:38 AM

Action Rating: 2 out of 5

Special Weather Statement issued December 31 at 3:02PM EST by NWS Boston/Norton MA

Effective: Wed December 31, 2025, 3:02 PM
Expires: Thu January 1, 2026, 2:00 AM

Those traveling this evening or into the overnight for New Year's celebrations should be cognizant of slick travel from snowfall. Snow arriving across the western areas of southern New England between 10 PM and Midnight, while eastern areas between Midnight and 2 AM. Snow continues into early Thursday morning. Please allow for extra travel time between your destinations.


Winter Weather Advisory issued December 31 at 12:32PM EST until January 1 at 1:00PM EST by NWS Boston/Norton MA

Effective: Wed December 31, 2025, 12:32 PM
Expires: Thu January 1, 2026, 4:00 AM

* WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. Winds gusting as high as 35 mph. * WHERE...Portions of northern Connecticut, central, eastern, southeastern, and western Massachusetts, and northern and southern Rhode Island. * WHEN...From 7 PM this evening to 1 PM EST Thursday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Wednesday evening and Thursday morning commutes. * ADDITIONAL DETAILS...Highest snowfall amounts for the western hills of the Tolland Hills of northeast Connecticut and the western hills of Worcester County in central Massachusetts.

Slow down and use caution while traveling.
Thursday, January 1, 2026

Weather Forecast

Patchy snow nearby
27.1°F
15.2°F
23.9°F
62%
0.14 in
66%
34%
14.8 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.63 μg/m3
PM10: 7.97 μg/m3
Carbon Monoxide: 223.21 μg/m3
Nitrogen Dioxide: 20.99 μg/m3
Sulphur Dioxide: 5.65 μg/m3
Ozone: 50.08 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:48 AM
Sunset: 4:23 PM
Daylight: 9 hrs 9 mins
Moonrise: 2:13 PM
Moon Transit: 10:30 PM
Moonset: 5:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

12:03 AM - 2:33 PM
12:00 AM - 12:00 AM

Minor Periods

1:43 PM - 3:13 PM
5:08 AM - 6:38 AM

Action Rating: 2 out of 5

Friday, January 2, 2026

Weather Forecast

Sunny
28.6°F
11.5°F
19.2°F
57%
0 in
0%
0%
11.2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 5.61 μg/m3
PM10: 5.75 μg/m3
Carbon Monoxide: 183.13 μg/m3
Nitrogen Dioxide: 14.04 μg/m3
Sulphur Dioxide: 3.03 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:49 AM
Sunset: 4:24 PM
Daylight: 9 hrs 10 mins
Moonrise: 3:20 PM
Moon Transit: 11:37 PM
Moonset: 6:50 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

1:10 PM - 3:40 PM
12:00 AM - 12:00 AM

Minor Periods

2:50 PM - 4:20 PM
6:20 AM - 7:50 AM

Action Rating: 4 out of 5

Saturday, January 3, 2026

Weather Forecast

Partly Cloudy
32.4°F
21.4°F
25.7°F
65%
0 in
0%
0%
10.7 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 7.37 μg/m3
PM10: 7.49 μg/m3
Carbon Monoxide: 219.45 μg/m3
Nitrogen Dioxide: 20.06 μg/m3
Sulphur Dioxide: 3.4 μg/m3
Ozone: 57.96 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:49 AM
Sunset: 4:25 PM
Daylight: 9 hrs 11 mins
Moonrise: 4:37 PM
Moon Transit: 12:00 AM
Moonset: 7:47 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:15 PM - 4:45 PM

Minor Periods

4:07 PM - 5:37 PM
7:17 AM - 8:47 AM

Action Rating: 6 out of 5

Sunday, January 4, 2026

Weather Forecast

Moderate snow
32.8°F
23.4°F
27.1°F
74%
0.05 in
86%
22%
8.5 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 13.87 μg/m3
PM10: 14.27 μg/m3
Carbon Monoxide: 276.38 μg/m3
Nitrogen Dioxide: 34.56 μg/m3
Sulphur Dioxide: 4.83 μg/m3
Ozone: 36 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:50 AM
Sunset: 4:26 PM
Daylight: 9 hrs 12 mins
Moonrise: 5:57 PM
Moon Transit: 12:40 AM
Moonset: 8:32 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:10 AM - 2:40 AM
3:16 PM - 5:46 PM

Minor Periods

5:27 PM - 6:57 PM
8:02 AM - 9:32 AM

Action Rating: 3 out of 5

Monday, January 5, 2026

Weather Forecast

Sunny
25.5°F
13.2°F
19.7°F
59%
0 in
0%
5%
12.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.39 μg/m3
PM10: 6.6 μg/m3
Carbon Monoxide: 215.23 μg/m3
Nitrogen Dioxide: 17.77 μg/m3
Sulphur Dioxide: 3.04 μg/m3
Ozone: 52.69 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:50 AM
Sunset: 4:27 PM
Daylight: 9 hrs 13 mins
Moonrise: 7:15 PM
Moon Transit: 1:38 AM
Moonset: 9:06 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

1:08 AM - 3:38 AM
4:10 PM - 6:40 PM

Minor Periods

6:45 PM - 8:15 PM
8:36 AM - 10:06 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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