Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA

Current Water Temperature

40.6°F

Measurement Time: Monday, March 2, 2026, 3:30 PM 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

21°F
Clear
Clear
16.3°F
21.6°F
41%
SW 3.4 mph
7 mph
13.6°F
8.1°F
0 in
0%
9 mi
1038 mbar
0

Five Day Weather Forecast

Sunny
Mon
H: 29°F
L: 10°F
Moderate or heavy snow showers
Tue
H: 31°F
L: 16°F
Fog
Wed
H: 39°F
L: 28°F
Freezing fog
Thu
H: 39°F
L: 28°F
Ice pellets
Fri
H: 33°F
L: 32°F

Air Quality

AQI: 2 - Moderate
PM2.5: 14.15 μg/m3
PM10: 15.45 μg/m3
Carbon Monoxide: 263.85 μg/m3
Nitrogen Dioxide: 19.05 μg/m3
Sulphur Dioxide: 2.55 μg/m3
Ozone: 64 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 11:57 AM
Sunset: 5:36 PM
Daylight: 11 hrs 17 mins
Moonrise: 4:55 PM
Moon Transit: 11:43 PM
Moonset: 5:57 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

1:25 PM - 3:55 PM
12:00 AM - 12:00 AM

Minor Periods

4:25 PM - 5:55 PM
5:27 AM - 6:57 AM

Action Rating: 4 out of 5

Winter Weather Advisory issued March 2 at 12:54PM EST until March 4 at 7:00AM EST by NWS Boston/Norton MA

Effective: Mon March 2, 2026, 12:54 PM
Expires: Tue March 3, 2026, 6:00 AM

* WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to one inch and ice accumulations up to one-tenth of an inch. * WHERE...Northern Connecticut, northwest Rhode Island, and western, central and northeastern Massachusetts. * WHEN...From noon Tuesday to 7 AM EST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes.

Slow down and use caution while traveling.
Monday, March 2, 2026

Weather Forecast

Sunny
28.9°F
10.4°F
19.7°F
48%
0 in
0%
0%
8.9 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 9.77 μg/m3
PM10: 10.84 μg/m3
Carbon Monoxide: 217.25 μg/m3
Nitrogen Dioxide: 18.02 μg/m3
Sulphur Dioxide: 3.39 μg/m3
Ozone: 73.56 μg/m3

Astronomical

Sunrise: 6:19 AM
Sun Transit: 11:57 AM
Sunset: 5:36 PM
Daylight: 11 hrs 17 mins
Moonrise: 4:55 PM
Moon Transit: 11:43 PM
Moonset: 5:57 AM
Moon Phase: Full
Moon Illumination: 99.1%

Best Times for Fishing or Hunting

Major Periods

1:25 PM - 3:55 PM
12:00 AM - 12:00 AM

Minor Periods

4:25 PM - 5:55 PM
5:27 AM - 6:57 AM

Action Rating: 4 out of 5

Tuesday, March 3, 2026

Weather Forecast

Moderate or heavy snow showers
30.6°F
16.3°F
25.1°F
81%
0.5 in
66%
3%
7.6 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 14 μg/m3
PM10: 16.42 μg/m3
Carbon Monoxide: 269.61 μg/m3
Nitrogen Dioxide: 25.41 μg/m3
Sulphur Dioxide: 3.32 μg/m3
Ozone: 64.76 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 11:56 AM
Sunset: 5:37 PM
Daylight: 11 hrs 20 mins
Moonrise: 6:05 PM
Moon Transit: 12:00 AM
Moonset: 6:19 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:10 PM - 4:40 PM

Minor Periods

5:35 PM - 7:05 PM
5:49 AM - 7:19 AM

Action Rating: 5 out of 5

Wednesday, March 4, 2026

Weather Forecast

Fog
39.4°F
27.9°F
32.9°F
96%
0.42 in
60%
10%
5.4 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 9.45 μg/m3
PM10: 10.37 μg/m3
Carbon Monoxide: 364.17 μg/m3
Nitrogen Dioxide: 22.5 μg/m3
Sulphur Dioxide: 3.53 μg/m3
Ozone: 72.04 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 11:56 AM
Sunset: 5:38 PM
Daylight: 11 hrs 23 mins
Moonrise: 7:13 PM
Moon Transit: 12:28 AM
Moonset: 6:39 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:54 PM - 5:24 PM

Minor Periods

6:43 PM - 8:13 PM
6:09 AM - 7:39 AM

Action Rating: 5 out of 5

Thursday, March 5, 2026

Weather Forecast

Freezing fog
38.7°F
28.2°F
32.8°F
97%
0 in
0%
0%
5.6 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 20.11 μg/m3
PM10: 21.69 μg/m3
Carbon Monoxide: 404.9 μg/m3
Nitrogen Dioxide: 44.8 μg/m3
Sulphur Dioxide: 4.55 μg/m3
Ozone: 40.92 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 11:56 AM
Sunset: 5:40 PM
Daylight: 11 hrs 26 mins
Moonrise: 8:20 PM
Moon Transit: 1:11 AM
Moonset: 6:58 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

12:41 AM - 3:11 AM
3:37 PM - 6:07 PM

Minor Periods

7:50 PM - 9:20 PM
6:28 AM - 7:58 AM

Action Rating: 5 out of 5

Friday, March 6, 2026

Weather Forecast

Ice pellets
32.9°F
31.5°F
32.8°F
96%
0.51 in
70%
52%
12.3 mph
1


Air Quality

AQI: 2 - Moderate
PM2.5: 27.69 μg/m3
PM10: 30 μg/m3
Carbon Monoxide: 609.42 μg/m3
Nitrogen Dioxide: 46.37 μg/m3
Sulphur Dioxide: 5.9 μg/m3
Ozone: 33.85 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 11:56 AM
Sunset: 5:41 PM
Daylight: 11 hrs 29 mins
Moonrise: 9:25 PM
Moon Transit: 1:54 AM
Moonset: 7:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

1:24 AM - 3:54 AM
4:20 PM - 6:50 PM

Minor Periods

8:55 PM - 10:25 PM
6:48 AM - 8:18 AM

Action Rating: 2 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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