Water Temperature of Cambridge Reservoir in Lincoln, MA

Current Water Temperature

72.5°F

Measurement Time: Thursday, July 30, 2026, 2:40 AM EDT

Temperature Locations

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Local Points of Interest

Hobbs Brook Basin

Cambridge Reservoir

Station Name: HOBBS BRK AT TRAPELO RD AT LINCOLN, MA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 167 feet

Nearest Address:
Trapelo Rd
Lincoln, MA 01773
Middlesex County

GPS Coordinates: 42.42166667, -71.2711111

Nearby Water Temperatures

Cambridge Reservoir Tributary 3, Waltham, MA (0.7 mi)
Hobbs Brook, Lincoln, MA (1 mi)
Cambridge Reservoir Tributary 1, Lexington, MA (1.1 mi)
Cambridge Reservoir Tributary 2, Lexington, MA (1.1 mi)
Stony Brook, Waltham, MA (1.6 mi)
Stony Brook, Weston, MA (2.7 mi)
Shawsheen River, Bedford, MA (3.1 mi)
Stony Brook Tributary, Waltham, MA (3.4 mi)
Stony Brook Tributary, Weston, MA (3.5 mi)
Stony Brook, Weston, MA (3.6 mi)
Stony Brook Reservoir Tributary, Weston, MA (4.6 mi)
Fresh Pond, Cambridge, MA (6.9 mi)
Nashua River, Clinton, MA (20.1 mi)
Gates Brook, West Boylston, MA (26 mi)
Stillwater River, Sterling, MA (26.5 mi)

Weather for Lincoln, Massachusetts

Current Weather

64.9°F
Patchy rain nearby
Patchy rain nearby
53.2°F
64.9°F
94%
NNE 7.8 mph
11.8 mph
64.9°F
63°F
0 in
100%
6 mi
1008 mbar
0.1

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 67°F
L: 62°F
Mist
Fri
H: 81°F
L: 60°F
Partly Cloudy
Sat
H: 87°F
L: 62°F
Partly Cloudy
Sun
H: 85°F
L: 66°F
Patchy rain nearby
Mon
H: 78°F
L: 61°F

Air Quality

AQI: 1 - Good
PM2.5: 4.9 μg/m3
PM10: 5.8 μg/m3
Carbon Monoxide: 111 μg/m3
Nitrogen Dioxide: 14.4 μg/m3
Sulphur Dioxide: 0.9 μg/m3
Ozone: 34 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

Small Craft Advisory issued July 29 at 2:12PM EDT until July 30 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Wed July 29, 2026, 2:12 PM
Expires: Thu July 30, 2026, 5:00 AM

* WHAT...East winds 10 to 20 kt with gusts up to 30 kt and seas 3 to 5 feet. * WHERE...Coastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary. * WHEN...Until 8 PM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

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

Weather Forecast

Patchy rain nearby
66.6°F
62.4°F
64.7°F
95%
0.52 in
94%
0%
8.7 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 4.42 μg/m3
PM10: 5.35 μg/m3
Carbon Monoxide: 111.17 μg/m3
Nitrogen Dioxide: 10.33 μg/m3
Sulphur Dioxide: 0.78 μg/m3
Ozone: 42.88 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

Mist
80.7°F
60.1°F
69.4°F
76%
0.02 in
38%
0%
5.4 mph
5.7


Air Quality

AQI: 1 - Good
PM2.5: 6.36 μg/m3
PM10: 6.52 μg/m3
Carbon Monoxide: 137.58 μg/m3
Nitrogen Dioxide: 10.52 μg/m3
Sulphur Dioxide: 0.83 μg/m3
Ozone: 63.63 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

Partly Cloudy
86.5°F
62.2°F
73°F
74%
0 in
10%
0%
9.6 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 10.07 μg/m3
PM10: 10.34 μg/m3
Carbon Monoxide: 172.46 μg/m3
Nitrogen Dioxide: 12.8 μg/m3
Sulphur Dioxide: 0.91 μg/m3
Ozone: 79.5 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
84.6°F
65.8°F
74.3°F
75%
0 in
13%
0%
12.1 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 8.71 μg/m3
PM10: 10.46 μg/m3
Carbon Monoxide: 141.64 μg/m3
Nitrogen Dioxide: 6.19 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 83.29 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

Monday, August 3, 2026

Weather Forecast

Patchy rain nearby
77.8°F
60.9°F
69.8°F
81%
0.2 in
77%
0%
10.7 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 5.88 μg/m3
PM10: 7.18 μg/m3
Carbon Monoxide: 185.22 μg/m3
Nitrogen Dioxide: 6.84 μg/m3
Sulphur Dioxide: 1.01 μg/m3
Ozone: 60.11 μg/m3

Astronomical

Sunrise: 5:39 AM
Sun Transit: 12:51 AM
Sunset: 8:02 PM
Daylight: 14 hrs 23 mins
Moonrise: 10:12 PM
Moon Transit: 4:15 AM
Moonset: 10:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 65.6%

Best Times for Fishing or Hunting

Major Periods

3:45 AM - 6:15 AM
6:42 PM - 9:12 PM

Minor Periods

9:42 PM - 11:12 PM
10:23 AM - 11:53 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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