Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA

Current Water Temperature

44.1°F

Measurement Time: Thursday, January 22, 2026, 1:30 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

35.1°F
Overcast
Overcast
27.1°F
33.3°F
85%
SW 11 mph
19.1 mph
25.1°F
27.4°F
0 in
100%
9 mi
1013 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 44°F
L: 26°F
Partly Cloudy
Fri
H: 31°F
L: 11°F
Sunny
Sat
H: 15°F
L: 5°F
Moderate or heavy snow showers
Sun
H: 14°F
L: 7°F
Moderate snow
Mon
H: 21°F
L: 11°F

Air Quality

AQI: 1 - Good
PM2.5: 11.75 μg/m3
PM10: 11.95 μg/m3
Carbon Monoxide: 217.85 μg/m3
Nitrogen Dioxide: 12.95 μg/m3
Sulphur Dioxide: 5.95 μg/m3
Ozone: 68 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 11:56 AM
Sunset: 4:46 PM
Daylight: 9 hrs 39 mins
Moonrise: 9:06 AM
Moon Transit: 3:00 PM
Moonset: 9:04 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

4:41 AM - 7:11 AM
2:30 PM - 5:00 PM

Minor Periods

8:34 PM - 10:04 PM
8:36 AM - 10:06 AM

Action Rating: 4 out of 5

Thursday, January 22, 2026

Weather Forecast

Patchy rain nearby
44.2°F
26.1°F
35.7°F
71%
0.12 in
63%
16%
13 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 9.82 μg/m3
PM10: 11.27 μg/m3
Carbon Monoxide: 203.61 μg/m3
Nitrogen Dioxide: 15.93 μg/m3
Sulphur Dioxide: 4.45 μg/m3
Ozone: 67.08 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 11:56 AM
Sunset: 4:46 PM
Daylight: 9 hrs 39 mins
Moonrise: 9:06 AM
Moon Transit: 3:00 PM
Moonset: 9:04 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

4:41 AM - 7:11 AM
2:30 PM - 5:00 PM

Minor Periods

8:34 PM - 10:04 PM
8:36 AM - 10:06 AM

Action Rating: 4 out of 5

Friday, January 23, 2026

Weather Forecast

Partly Cloudy
31.3°F
11°F
24.9°F
51%
0 in
0%
0%
15.2 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 7.18 μg/m3
PM10: 7.28 μg/m3
Carbon Monoxide: 199.29 μg/m3
Nitrogen Dioxide: 17.95 μg/m3
Sulphur Dioxide: 3.17 μg/m3
Ozone: 60.92 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 11:56 AM
Sunset: 4:48 PM
Daylight: 9 hrs 41 mins
Moonrise: 9:26 AM
Moon Transit: 9:54 AM
Moonset: 10:15 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
9:24 AM - 11:54 AM

Minor Periods

9:45 PM - 11:15 PM
8:56 AM - 10:26 AM

Action Rating: 2 out of 5

Saturday, January 24, 2026

Weather Forecast

Sunny
15.4°F
4.6°F
10.6°F
39%
0 in
0%
0%
15.4 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.72 μg/m3
PM10: 3.95 μg/m3
Carbon Monoxide: 178.41 μg/m3
Nitrogen Dioxide: 9.08 μg/m3
Sulphur Dioxide: 2.27 μg/m3
Ozone: 65.56 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 11:57 AM
Sunset: 4:49 PM
Daylight: 9 hrs 43 mins
Moonrise: 9:47 AM
Moon Transit: 4:30 PM
Moonset: 11:27 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%

Best Times for Fishing or Hunting

Major Periods

6:11 AM - 8:41 AM
4:00 PM - 6:30 PM

Minor Periods

12:00 AM - 12:00 AM
9:17 AM - 10:47 AM

Action Rating: 2 out of 5

Sunday, January 25, 2026

Weather Forecast

Moderate or heavy snow showers
14.3°F
7.1°F
10.5°F
49%
0.11 in
70%
29%
10.3 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 6.35 μg/m3
PM10: 6.66 μg/m3
Carbon Monoxide: 211.65 μg/m3
Nitrogen Dioxide: 18.96 μg/m3
Sulphur Dioxide: 3.41 μg/m3
Ozone: 52.4 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 11:57 AM
Sunset: 4:50 PM
Daylight: 9 hrs 45 mins
Moonrise: 10:11 AM
Moon Transit: 5:19 PM
Moonset: 12:27 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%

Best Times for Fishing or Hunting

Major Periods

6:59 AM - 9:29 AM
4:49 PM - 7:19 PM

Minor Periods

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

Action Rating: 4 out of 5

Monday, January 26, 2026

Weather Forecast

Moderate snow
21°F
10.8°F
15°F
89%
0.14 in
89%
65%
10.1 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.53 μg/m3
PM10: 7.23 μg/m3
Carbon Monoxide: 177.2 μg/m3
Nitrogen Dioxide: 11.62 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 67.23 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 11:57 AM
Sunset: 4:51 PM
Daylight: 9 hrs 47 mins
Moonrise: 10:39 AM
Moon Transit: 6:12 PM
Moonset: 12:43 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

7:50 AM - 10:20 AM
5:42 PM - 8:12 PM

Minor Periods

10:09 AM - 11:39 AM
12:13 AM - 1:43 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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