Water Temperature of Cambridge Reservoir Tributary 1 in Lexington, MA

Current Water Temperature

66.4°F

Measurement Time: Tuesday, June 30, 2026, 6:30 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

80.1°F
Sunny
Sunny
81.3°F
81.3°F
62%
SW 4.5 mph
5.1 mph
80.1°F
60.5°F
0 in
0%
9 mi
1018 mbar
5.3

Five Day Weather Forecast

Sunny
Tue
H: 96°F
L: 60°F
Sunny
Wed
H: 97°F
L: 64°F
Sunny
Thu
H: 103°F
L: 75°F
Sunny
Fri
H: 102°F
L: 77°F
Sunny
Sat
H: 102°F
L: 73°F

Air Quality

AQI: 1 - Good
PM2.5: 18 μg/m3
PM10: 18.4 μg/m3
Carbon Monoxide: 179 μg/m3
Nitrogen Dioxide: 8.9 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 130 μg/m3

Astronomical

Sunrise: 5:11 AM
Sun Transit: 12:48 AM
Sunset: 8:26 PM
Daylight: 15 hrs 15 mins
Moonrise: 9:23 PM
Moon Transit: 1:00 AM
Moonset: 5:19 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
3:30 PM - 6:00 PM

Minor Periods

8:53 PM - 10:23 PM
4:49 AM - 6:19 AM

Action Rating: 5 out of 5

Small Craft Advisory issued June 30 at 2:11AM EDT until July 1 at 11:00PM EDT by NWS Boston/Norton MA

Effective: Tue June 30, 2026, 2:11 AM
Expires: Tue June 30, 2026, 3:15 PM

* WHAT...Southwest winds 15 to 20 kt with gusts up to 25 kt and seas 3 to 5 feet expected. * WHERE...Portions of Massachusetts coastal waters and Rhode Island coastal waters. * WHEN...From 8 AM to 11 PM EDT Wednesday. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Tuesday, June 30, 2026

Weather Forecast

Sunny
96.3°F
60.3°F
77.4°F
58%
0 in
4%
0%
9.2 mph
8.9


Air Quality

AQI: 2 - Moderate
PM2.5: 16.53 μg/m3
PM10: 17.23 μg/m3
Carbon Monoxide: 169.58 μg/m3
Nitrogen Dioxide: 10.44 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 107.08 μg/m3

Astronomical

Sunrise: 5:11 AM
Sun Transit: 12:48 AM
Sunset: 8:26 PM
Daylight: 15 hrs 15 mins
Moonrise: 9:23 PM
Moon Transit: 1:00 AM
Moonset: 5:19 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
3:30 PM - 6:00 PM

Minor Periods

8:53 PM - 10:23 PM
4:49 AM - 6:19 AM

Action Rating: 5 out of 5

Wednesday, July 1, 2026

Weather Forecast

Sunny
97.4°F
64.3°F
80.8°F
66%
0.1 in
57%
0%
10.7 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 10.31 μg/m3
PM10: 11.36 μg/m3
Carbon Monoxide: 150.67 μg/m3
Nitrogen Dioxide: 6.09 μg/m3
Sulphur Dioxide: 1.24 μg/m3
Ozone: 116.92 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 12:49 AM
Sunset: 8:26 PM
Daylight: 15 hrs 15 mins
Moonrise: 9:55 PM
Moon Transit: 1:50 AM
Moonset: 6:22 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:20 AM - 3:50 AM
4:19 PM - 6:49 PM

Minor Periods

9:25 PM - 10:55 PM
5:52 AM - 7:22 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
103.4°F
74.8°F
88.4°F
58%
0 in
3%
0%
12.1 mph
9.7


Air Quality

AQI: 1 - Good
PM2.5: 13.7 μg/m3
PM10: 16.66 μg/m3
Carbon Monoxide: 154.38 μg/m3
Nitrogen Dioxide: 6.63 μg/m3
Sulphur Dioxide: 1.22 μg/m3
Ozone: 111.17 μg/m3

Astronomical

Sunrise: 5:12 AM
Sun Transit: 12:49 AM
Sunset: 8:26 PM
Daylight: 15 hrs 14 mins
Moonrise: 10:22 PM
Moon Transit: 2:37 AM
Moonset: 7:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:07 AM - 4:37 AM
5:05 PM - 7:35 PM

Minor Periods

9:52 PM - 11:22 PM
6:57 AM - 8:27 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
101.5°F
77°F
88°F
57%
0.02 in
36%
0%
11.9 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 10.05 μg/m3
PM10: 11.63 μg/m3
Carbon Monoxide: 150.19 μg/m3
Nitrogen Dioxide: 6.44 μg/m3
Sulphur Dioxide: 1.28 μg/m3
Ozone: 109.79 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 12:49 AM
Sunset: 8:26 PM
Daylight: 15 hrs 13 mins
Moonrise: 10:45 PM
Moon Transit: 3:23 AM
Moonset: 8:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

2:53 AM - 5:23 AM
5:49 PM - 8:19 PM

Minor Periods

10:15 PM - 11:45 PM
8:04 AM - 9:34 AM

Action Rating: 4 out of 5

Saturday, July 4, 2026

Weather Forecast

Sunny
101.8°F
73.4°F
87.1°F
58%
0.01 in
17%
0%
15.2 mph
9


Air Quality

AQI: 1 - Good
PM2.5: 7.66 μg/m3
PM10: 8.67 μg/m3
Carbon Monoxide: 183.33 μg/m3
Nitrogen Dioxide: 6.98 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 91.22 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 12:49 AM
Sunset: 8:26 PM
Daylight: 15 hrs 12 mins
Moonrise: 11:05 PM
Moon Transit: 4:07 AM
Moonset: 9:39 AM
Moon Phase: Waning Gibbous
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

3:37 AM - 6:07 AM
6:32 PM - 9:02 PM

Minor Periods

12:00 AM - 12:00 AM
9:09 AM - 10:39 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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