Water Temperature of Cambridge Reservoir Tributary 1 in Lexington, MA

Current Water Temperature

73.0°F

Measurement Time: Wednesday, July 15, 2026, 9:40 AM EDT

Temperature Locations

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Local Points of Interest

Hobbs Brook Basin

Cambridge Reservoir Tributary 1

Station Name: CAMBRIDGE RES., UNNAMED TRIB 1, NR LEXINGTON, MA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 190 feet

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

GPS Coordinates: 42.43648406, -71.2642235

Nearby Water Temperatures

Cambridge Reservoir Tributary 2, Lexington, MA (0.2 mi)
Hobbs Brook, Lincoln, MA (0.3 mi)
Cambridge Reservoir, Lincoln, MA (1.1 mi)
Cambridge Reservoir Tributary 3, Waltham, MA (1.2 mi)
Shawsheen River, Bedford, MA (2.2 mi)
Stony Brook, Waltham, MA (2.7 mi)
Stony Brook, Weston, MA (3.7 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 (5.7 mi)
Fresh Pond, Cambridge, MA (7.1 mi)
Nashua River, Clinton, MA (20.5 mi)
Gates Brook, West Boylston, MA (26.5 mi)
Stillwater River, Sterling, MA (26.9 mi)

Weather for Lexington, Massachusetts

Current Weather

81°F
Sunny
Sunny
81.4°F
87.4°F
58%
NW 15.4 mph
17.8 mph
86°F
62.2°F
0 in
0%
6 mi
1007 mbar
5.7

Five Day Weather Forecast

Sunny
Wed
H: 93°F
L: 72°F
Sunny
Thu
H: 91°F
L: 65°F
Sunny
Fri
H: 85°F
L: 60°F
Partly Cloudy
Sat
H: 88°F
L: 60°F
Sunny
Sun
H: 83°F
L: 62°F

Air Quality

AQI: 1 - Good
PM2.5: 9.1 μg/m3
PM10: 9.4 μg/m3
Carbon Monoxide: 124 μg/m3
Nitrogen Dioxide: 1.8 μg/m3
Sulphur Dioxide: 0.5 μg/m3
Ozone: 105 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:51 AM
Sunset: 8:21 PM
Daylight: 14 hrs 59 mins
Moonrise: 6:35 AM
Moon Transit: 2:10 PM
Moonset: 9:31 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:47 AM - 6:17 AM
1:40 PM - 4:10 PM

Minor Periods

9:01 PM - 10:31 PM
6:05 AM - 7:35 AM

Action Rating: 3 out of 5

Rip Current Statement issued July 15 at 12:26AM EDT until July 15 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Wed July 15, 2026, 12:26 AM
Expires: Wed July 15, 2026, 8:00 PM

* WHAT...Dangerous rip currents, especially on beaches with south-facing exposures. * WHERE...Washington, Southern Bristol MA, Southern Plymouth MA, Barnstable MA, Dukes MA, Nantucket MA, and Newport RI Counties. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Wednesday, July 15, 2026

Weather Forecast

Sunny
92.8°F
71.6°F
82.5°F
53%
0 in
2%
0%
15.4 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 9.81 μg/m3
PM10: 10.08 μg/m3
Carbon Monoxide: 137.38 μg/m3
Nitrogen Dioxide: 4.82 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 100.71 μg/m3

Astronomical

Sunrise: 5:21 AM
Sun Transit: 12:51 AM
Sunset: 8:21 PM
Daylight: 14 hrs 59 mins
Moonrise: 6:35 AM
Moon Transit: 2:10 PM
Moonset: 9:31 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:47 AM - 6:17 AM
1:40 PM - 4:10 PM

Minor Periods

9:01 PM - 10:31 PM
6:05 AM - 7:35 AM

Action Rating: 3 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
91.1°F
65.3°F
77.2°F
46%
0 in
17%
0%
15.7 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 9.55 μg/m3
PM10: 9.73 μg/m3
Carbon Monoxide: 155.42 μg/m3
Nitrogen Dioxide: 7.67 μg/m3
Sulphur Dioxide: 0.68 μg/m3
Ozone: 84.71 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:51 AM
Sunset: 8:20 PM
Daylight: 14 hrs 58 mins
Moonrise: 7:55 AM
Moon Transit: 3:03 PM
Moonset: 9:58 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

4:43 AM - 7:13 AM
2:33 PM - 5:03 PM

Minor Periods

9:28 PM - 10:58 PM
7:25 AM - 8:55 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
85.2°F
60°F
71.9°F
41%
0 in
1%
0%
9.4 mph
8.3


Air Quality

AQI: 1 - Good
PM2.5: 3.99 μg/m3
PM10: 4.1 μg/m3
Carbon Monoxide: 121.88 μg/m3
Nitrogen Dioxide: 6.01 μg/m3
Sulphur Dioxide: 0.55 μg/m3
Ozone: 79.54 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:51 AM
Sunset: 8:19 PM
Daylight: 14 hrs 56 mins
Moonrise: 9:10 AM
Moon Transit: 3:52 PM
Moonset: 10:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

5:33 AM - 8:03 AM
3:22 PM - 5:52 PM

Minor Periods

9:51 PM - 11:21 PM
8:40 AM - 10:10 AM

Action Rating: 3 out of 5

Saturday, July 18, 2026

Weather Forecast

Partly Cloudy
87.9°F
60°F
68.8°F
67%
0.18 in
66%
0%
15.2 mph
4.3


Air Quality

AQI: 1 - Good
PM2.5: 8.27 μg/m3
PM10: 9.61 μg/m3
Carbon Monoxide: 164.77 μg/m3
Nitrogen Dioxide: 10.08 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 79.96 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:51 AM
Sunset: 8:18 PM
Daylight: 14 hrs 55 mins
Moonrise: 10:22 AM
Moon Transit: 4:38 PM
Moonset: 10:42 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

6:20 AM - 8:50 AM
4:08 PM - 6:38 PM

Minor Periods

10:12 PM - 11:42 PM
9:52 AM - 11:22 AM

Action Rating: 2 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
82.6°F
62°F
73.1°F
68%
0.02 in
36%
0%
17.2 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 2.2 μg/m3
PM10: 2.26 μg/m3
Carbon Monoxide: 247.22 μg/m3
Nitrogen Dioxide: 7.96 μg/m3
Sulphur Dioxide: 0.94 μg/m3
Ozone: 84.89 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:51 AM
Sunset: 8:18 PM
Daylight: 14 hrs 53 mins
Moonrise: 11:31 AM
Moon Transit: 5:21 PM
Moonset: 11:02 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

7:04 AM - 9:34 AM
4:51 PM - 7:21 PM

Minor Periods

12:00 AM - 12:00 AM
11:01 AM - 12:31 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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