Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA

Current Water Temperature

40.1°F

Measurement Time: Monday, January 26, 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

18°F
Patchy light snow
Patchy light snow
5.3°F
16.2°F
88%
WNW 11.6 mph
17.1 mph
7°F
12.9°F
0.01 in
100%
2 mi
1006 mbar
0

Five Day Weather Forecast

Light freezing rain
Mon
H: 19°F
L: 11°F
Sunny
Tue
H: 22°F
L: -4°F
Partly Cloudy
Wed
H: 27°F
L: 8°F
Partly Cloudy
Thu
H: 27°F
L: 12°F
Partly Cloudy
Fri
H: 18°F
L: -0°F

Air Quality

AQI: 1 - Good
PM2.5: 5.55 μg/m3
PM10: 6.05 μg/m3
Carbon Monoxide: 187.85 μg/m3
Nitrogen Dioxide: 6.75 μg/m3
Sulphur Dioxide: 2.05 μg/m3
Ozone: 66 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

Winter Storm Warning issued January 26 at 2:01AM EST until January 26 at 8:00PM EST by NWS Boston/Norton MA

Effective: Mon January 26, 2026, 2:01 AM
Expires: Mon January 26, 2026, 5:00 PM

* WHAT...Heavy snow. Additional snow accumulations 1-5 inches. The highest amounts are expected along the immediate northeastern coastline. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern and southern Rhode Island. * WHEN...Until 8 PM EST this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.


Special Weather Statement issued January 26 at 6:40PM EST by NWS Boston/Norton MA

Effective: Mon January 26, 2026, 6:40 PM
Expires: Mon January 26, 2026, 11:00 PM

One last area of snow showers moving through Rhode Island and central and eastern Massachusetts this evening will bring a quick inch or two of accumulation. The snow will briefly lower visibility and could quickly produce snow covered roads. Drivers should be aware of slippery road conditions tonight. Plan on extra travel time.


Winter Storm Warning issued January 26 at 11:51AM EST until January 26 at 7:00PM EST by NWS Gray ME

Effective: Mon January 26, 2026, 11:51 AM
Expires: Mon January 26, 2026, 7:00 PM

* WHAT...Heavy snow. Additional snow accumulations up to two inches for a storm total of 10 to 20 inches. * WHERE...Portions of southwest Maine and central, northern, and southern New Hampshire. * WHEN...Until 7 PM EST this evening. * IMPACTS...Even light snowfall amounts can accumulate on roads and cause dangerous driving conditions due to snow covered roads. The hazardous conditions could impact the Monday evening commute.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by going to newengland511.org Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.
Monday, January 26, 2026

Weather Forecast

Light freezing rain
19°F
11.1°F
15.4°F
85%
0.52 in
86%
89%
14.8 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 6.31 μg/m3
PM10: 8.21 μg/m3
Carbon Monoxide: 212.41 μg/m3
Nitrogen Dioxide: 12.72 μg/m3
Sulphur Dioxide: 2.33 μg/m3
Ozone: 67.44 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

Tuesday, January 27, 2026

Weather Forecast

Sunny
22.3°F
-3.5°F
11.3°F
65%
0 in
0%
3%
13.9 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 6.75 μg/m3
PM10: 7.17 μg/m3
Carbon Monoxide: 217.17 μg/m3
Nitrogen Dioxide: 16.97 μg/m3
Sulphur Dioxide: 2.7 μg/m3
Ozone: 61.08 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 11:57 AM
Sunset: 4:53 PM
Daylight: 9 hrs 49 mins
Moonrise: 11:14 AM
Moon Transit: 7:10 PM
Moonset: 2:00 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
6:40 PM - 9:10 PM

Minor Periods

10:44 AM - 12:14 AM
1:30 AM - 3:00 AM

Action Rating: 2 out of 5

Wednesday, January 28, 2026

Weather Forecast

Partly Cloudy
27°F
8°F
16°F
66%
0 in
0%
0%
9.6 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 13.83 μg/m3
PM10: 14.19 μg/m3
Carbon Monoxide: 258.21 μg/m3
Nitrogen Dioxide: 23.28 μg/m3
Sulphur Dioxide: 3.08 μg/m3
Ozone: 49.84 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 11:58 AM
Sunset: 4:54 PM
Daylight: 9 hrs 51 mins
Moonrise: 12:00 AM
Moon Transit: 8:13 PM
Moonset: 3:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%

Best Times for Fishing or Hunting

Major Periods

9:47 AM - 12:17 AM
7:43 PM - 10:13 PM

Minor Periods

11:30 AM - 1:00 PM
2:48 AM - 4:18 AM

Action Rating: 2 out of 5

Thursday, January 29, 2026

Weather Forecast

Partly Cloudy
27.1°F
12°F
17.8°F
65%
0 in
0%
0%
7.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 12.11 μg/m3
PM10: 12.43 μg/m3
Carbon Monoxide: 287.53 μg/m3
Nitrogen Dioxide: 28.75 μg/m3
Sulphur Dioxide: 3.16 μg/m3
Ozone: 44.28 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 11:58 AM
Sunset: 4:55 PM
Daylight: 9 hrs 54 mins
Moonrise: 12:59 AM
Moon Transit: 9:17 PM
Moonset: 4:32 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 86.7%

Best Times for Fishing or Hunting

Major Periods

10:52 AM - 1:22 PM
8:47 PM - 11:17 PM

Minor Periods

12:29 AM - 1:59 PM
4:02 AM - 5:32 AM

Action Rating: 2 out of 5

Friday, January 30, 2026

Weather Forecast

Partly Cloudy
18.3°F
-0.2°F
9.6°F
83%
0 in
0%
9%
11 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.64 μg/m3
PM10: 5.79 μg/m3
Carbon Monoxide: 205.98 μg/m3
Nitrogen Dioxide: 14.26 μg/m3
Sulphur Dioxide: 2.23 μg/m3
Ozone: 61.92 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 11:58 AM
Sunset: 4:57 PM
Daylight: 9 hrs 56 mins
Moonrise: 2:10 PM
Moon Transit: 10:21 PM
Moonset: 5:33 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.4%

Best Times for Fishing or Hunting

Major Periods

11:56 AM - 2:26 PM
12:00 AM - 12:00 AM

Minor Periods

1:40 PM - 3:10 PM
5:03 AM - 6:33 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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