Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA

Current Water Temperature

39.7°F

Measurement Time: Wednesday, February 11, 2026, 10:39 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

37.9°F
Overcast
Overcast
31°F
36.5°F
50%
WNW 10.1 mph
16.2 mph
29.8°F
26°F
0 in
100%
9 mi
1001 mbar
0.2

Five Day Weather Forecast

Moderate or heavy snow showers
Wed
H: 42°F
L: 20°F
Sunny
Thu
H: 39°F
L: 20°F
Sunny
Fri
H: 37°F
L: 17°F
Sunny
Sat
H: 37°F
L: 22°F
Mist
Sun
H: 40°F
L: 24°F

Air Quality

AQI: 1 - Good
PM2.5: 5.75 μg/m3
PM10: 5.85 μg/m3
Carbon Monoxide: 319.85 μg/m3
Nitrogen Dioxide: 25.55 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 42 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:00 AM
Sunset: 5:12 PM
Daylight: 10 hrs 25 mins
Moonrise: 2:53 AM
Moon Transit: 7:07 AM
Moonset: 11:19 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%

Best Times for Fishing or Hunting

Major Periods

6:37 AM - 9:07 AM
12:00 AM - 12:00 AM

Minor Periods

10:49 AM - 12:19 AM
2:23 AM - 3:53 AM

Action Rating: 3 out of 5

Wednesday, February 11, 2026

Weather Forecast

Moderate or heavy snow showers
42.1°F
19.8°F
30.4°F
78%
0.14 in
87%
24%
10.1 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 14.7 μg/m3
PM10: 16.99 μg/m3
Carbon Monoxide: 274.93 μg/m3
Nitrogen Dioxide: 20.99 μg/m3
Sulphur Dioxide: 4.07 μg/m3
Ozone: 56.32 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:00 AM
Sunset: 5:12 PM
Daylight: 10 hrs 25 mins
Moonrise: 2:53 AM
Moon Transit: 7:07 AM
Moonset: 11:19 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%

Best Times for Fishing or Hunting

Major Periods

6:37 AM - 9:07 AM
12:00 AM - 12:00 AM

Minor Periods

10:49 AM - 12:19 AM
2:23 AM - 3:53 AM

Action Rating: 3 out of 5

Thursday, February 12, 2026

Weather Forecast

Sunny
38.5°F
19.6°F
27.2°F
71%
0 in
0%
0%
10.5 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 4.59 μg/m3
PM10: 4.64 μg/m3
Carbon Monoxide: 228.25 μg/m3
Nitrogen Dioxide: 12.63 μg/m3
Sulphur Dioxide: 2.94 μg/m3
Ozone: 69.92 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:00 AM
Sunset: 5:13 PM
Daylight: 10 hrs 28 mins
Moonrise: 3:50 AM
Moon Transit: 8:00 AM
Moonset: 12:09 AM
Moon Phase: Waning Crescent
Moon Illumination: 12.2%

Best Times for Fishing or Hunting

Major Periods

7:30 AM - 10:00 AM
12:00 AM - 12:00 AM

Minor Periods

11:39 AM - 1:09 PM
3:20 AM - 4:50 AM

Action Rating: 2 out of 5

Friday, February 13, 2026

Weather Forecast

Sunny
37.2°F
17.1°F
26°F
69%
0 in
0%
0%
6.7 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.88 μg/m3
PM10: 7.12 μg/m3
Carbon Monoxide: 203.33 μg/m3
Nitrogen Dioxide: 17.72 μg/m3
Sulphur Dioxide: 2.97 μg/m3
Ozone: 72.16 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:00 AM
Sunset: 5:15 PM
Daylight: 10 hrs 30 mins
Moonrise: 4:40 AM
Moon Transit: 8:51 AM
Moonset: 1:07 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.8%

Best Times for Fishing or Hunting

Major Periods

8:21 AM - 10:51 AM
12:00 AM - 12:00 AM

Minor Periods

12:37 AM - 2:07 PM
4:10 AM - 5:40 AM

Action Rating: 2 out of 5

Saturday, February 14, 2026

Weather Forecast

Sunny
37.2°F
22.1°F
28.7°F
74%
0 in
0%
0%
8.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 12.8 μg/m3
PM10: 12.95 μg/m3
Carbon Monoxide: 211.2 μg/m3
Nitrogen Dioxide: 26.19 μg/m3
Sulphur Dioxide: 3.56 μg/m3
Ozone: 58.44 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:00 AM
Sunset: 5:16 PM
Daylight: 10 hrs 33 mins
Moonrise: 5:21 AM
Moon Transit: 9:43 AM
Moonset: 2:12 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:13 AM - 11:43 AM

Minor Periods

1:42 PM - 3:12 PM
4:51 AM - 6:21 AM

Action Rating: 3 out of 5

Sunday, February 15, 2026

Weather Forecast

Mist
39.6°F
23.5°F
30.5°F
92%
0 in
0%
0%
7.2 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.55 μg/m3
PM10: 3.61 μg/m3
Carbon Monoxide: 185.87 μg/m3
Nitrogen Dioxide: 10.07 μg/m3
Sulphur Dioxide: 2.29 μg/m3
Ozone: 73.15 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 12:00 AM
Sunset: 5:17 PM
Daylight: 10 hrs 35 mins
Moonrise: 5:56 AM
Moon Transit: 10:34 AM
Moonset: 3:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

12:14 AM - 2:44 AM
10:04 AM - 12:34 AM

Minor Periods

2:50 PM - 4:20 PM
5:26 AM - 6:56 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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