Water Temperature of Cambridge Reservoir Tributary 2 in Lexington, MA

Current Water Temperature

64.9°F

Measurement Time: Wednesday, July 29, 2026, 2:40 AM EDT

Temperature Locations

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Local Points of Interest

Hobbs Brook Basin

Cambridge Reservoir Tributary 2

Station Name: CAMBRIDGE RES., UNNAMED TRIB 2, NR LEXINGTON, MA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 207 feet

Nearest Address:
403 Lincoln St
Lexington, MA 02421
Middlesex County

GPS Coordinates: 42.43592855, -71.2600567

Nearby Water Temperatures

Cambridge Reservoir Tributary 1, Lexington, MA (0.2 mi)
Hobbs Brook, Lincoln, MA (0.5 mi)
Cambridge Reservoir Tributary 3, Waltham, MA (1.1 mi)
Cambridge Reservoir, Lincoln, MA (1.1 mi)
Shawsheen River, Bedford, MA (2.2 mi)
Stony Brook, Waltham, MA (2.7 mi)
Stony Brook, Weston, MA (3.8 mi)
Stony Brook Tributary, Waltham, MA (4.4 mi)
Stony Brook Tributary, Weston, MA (4.5 mi)
Stony Brook, Weston, MA (4.7 mi)
Stony Brook Reservoir Tributary, Weston, MA (5.6 mi)
Fresh Pond, Cambridge, MA (6.9 mi)
Nashua River, Clinton, MA (20.7 mi)
Gates Brook, West Boylston, MA (26.7 mi)
Stillwater River, Sterling, MA (27.1 mi)

Weather for Lexington, Massachusetts

Current Weather

68.7°F
Sunny
Sunny
59.2°F
68.7°F
93%
ESE 4.3 mph
6.7 mph
68.7°F
66.7°F
0 in
8%
6 mi
1007 mbar
0.1

Five Day Weather Forecast

Sunny
Wed
H: 83°F
L: 63°F
Light rain shower
Thu
H: 65°F
L: 61°F
Partly Cloudy
Fri
H: 78°F
L: 60°F
Sunny
Sat
H: 82°F
L: 60°F
Partly Cloudy
Sun
H: 83°F
L: 60°F

Air Quality

AQI: 1 - Good
PM2.5: 7 μg/m3
PM10: 9 μg/m3
Carbon Monoxide: 128 μg/m3
Nitrogen Dioxide: 9.1 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 65 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:51 AM
Sunset: 8:08 PM
Daylight: 14 hrs 34 mins
Moonrise: 8:26 PM
Moon Transit: 12:34 AM
Moonset: 5:18 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
3:02 PM - 5:32 PM

Minor Periods

7:56 PM - 9:26 PM
4:48 AM - 6:18 AM

Action Rating: 4 out of 5

Small Craft Advisory issued July 28 at 3:08PM EDT until July 29 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Tue July 28, 2026, 3:08 PM
Expires: Wed July 29, 2026, 4:15 AM

* WHAT...East winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 2 feet expected. * WHERE...Boston Harbor. * WHEN...From 2 AM to 8 PM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.


Small Craft Advisory issued July 29 at 12:47AM EDT until July 29 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Wed July 29, 2026, 12:47 AM
Expires: Wed July 29, 2026, 7:00 PM

* WHAT...Southeast winds 10 to 20 kt with gusts up to 25 kt and waves 1 to 2 feet expected. * WHERE...Boston Harbor. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Wednesday, July 29, 2026

Weather Forecast

Sunny
82.6°F
63.4°F
70.1°F
88%
0.26 in
80%
0%
7.6 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 7.59 μg/m3
PM10: 9.49 μg/m3
Carbon Monoxide: 120.67 μg/m3
Nitrogen Dioxide: 7.41 μg/m3
Sulphur Dioxide: 0.81 μg/m3
Ozone: 65.83 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 12:51 AM
Sunset: 8:08 PM
Daylight: 14 hrs 34 mins
Moonrise: 8:26 PM
Moon Transit: 12:34 AM
Moonset: 5:18 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
3:02 PM - 5:32 PM

Minor Periods

7:56 PM - 9:26 PM
4:48 AM - 6:18 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Light rain shower
64.6°F
60.7°F
63.2°F
98%
0.6 in
94%
0%
8.5 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 8.7 μg/m3
PM10: 10.07 μg/m3
Carbon Monoxide: 111.42 μg/m3
Nitrogen Dioxide: 10.38 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 85.83 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 12:51 AM
Sunset: 8:07 PM
Daylight: 14 hrs 32 mins
Moonrise: 8:50 PM
Moon Transit: 1:21 AM
Moonset: 6:25 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

12:51 AM - 3:21 AM
3:48 PM - 6:18 PM

Minor Periods

8:20 PM - 9:50 PM
5:55 AM - 7:25 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Partly Cloudy
78.2°F
59.7°F
65.9°F
80%
0.01 in
27%
0%
6.3 mph
5.7


Air Quality

AQI: 1 - Good
PM2.5: 6.51 μg/m3
PM10: 6.95 μg/m3
Carbon Monoxide: 143.38 μg/m3
Nitrogen Dioxide: 13 μg/m3
Sulphur Dioxide: 1.16 μg/m3
Ozone: 74.79 μg/m3

Astronomical

Sunrise: 5:36 AM
Sun Transit: 12:51 AM
Sunset: 8:06 PM
Daylight: 14 hrs 30 mins
Moonrise: 9:11 PM
Moon Transit: 2:05 AM
Moonset: 7:31 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
4:32 PM - 7:02 PM

Minor Periods

8:41 PM - 10:11 PM
7:01 AM - 8:31 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
82.1°F
60.1°F
70.6°F
70%
0 in
6%
0%
7.8 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 14.75 μg/m3
PM10: 14.93 μg/m3
Carbon Monoxide: 187.97 μg/m3
Nitrogen Dioxide: 20.38 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 76.04 μg/m3

Astronomical

Sunrise: 5:37 AM
Sun Transit: 12:51 AM
Sunset: 8:05 PM
Daylight: 14 hrs 27 mins
Moonrise: 9:31 PM
Moon Transit: 2:49 AM
Moonset: 8:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:19 AM - 4:49 AM
5:14 PM - 7:44 PM

Minor Periods

9:01 PM - 10:31 PM
8:08 AM - 9:38 AM

Action Rating: 3 out of 5

Sunday, August 2, 2026

Weather Forecast

Partly Cloudy
83°F
60.4°F
70.2°F
80%
0 in
20%
0%
7.6 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 9.78 μg/m3
PM10: 11.31 μg/m3
Carbon Monoxide: 228.56 μg/m3
Nitrogen Dioxide: 9.44 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 5:38 AM
Sun Transit: 12:51 AM
Sunset: 8:04 PM
Daylight: 14 hrs 25 mins
Moonrise: 9:51 PM
Moon Transit: 3:32 AM
Moonset: 9:44 AM
Moon Phase: Waning Gibbous
Moon Illumination: 75.9%

Best Times for Fishing or Hunting

Major Periods

3:02 AM - 5:32 AM
6:20 PM - 8:50 PM

Minor Periods

9:21 PM - 10:51 PM
9:14 AM - 10:44 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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