Water Temperature of Cambridge Reservoir in Lincoln, MA

Current Water Temperature

72.0°F

Measurement Time: Friday, July 31, 2026, 4:40 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

70.2°F
Sunny
Sunny
72.9°F
75.8°F
78%
WNW 3.4 mph
3.9 mph
70.2°F
63°F
0 in
0%
6 mi
1014 mbar
2.7

Five Day Weather Forecast

Sunny
Fri
H: 85°F
L: 61°F
Sunny
Sat
H: 90°F
L: 63°F
Partly Cloudy
Sun
H: 87°F
L: 67°F
Fog
Mon
H: 73°F
L: 65°F
Fog
Tue
H: 83°F
L: 63°F

Air Quality

AQI: 1 - Good
PM2.5: 10.2 μg/m3
PM10: 10.4 μg/m3
Carbon Monoxide: 146 μg/m3
Nitrogen Dioxide: 13.2 μg/m3
Sulphur Dioxide: 1 μg/m3
Ozone: 56 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

Friday, July 31, 2026

Weather Forecast

Sunny
84.9°F
61°F
70.6°F
78%
0.01 in
20%
0%
5.1 mph
7.2


Air Quality

AQI: 1 - Good
PM2.5: 11.15 μg/m3
PM10: 11.36 μg/m3
Carbon Monoxide: 168.75 μg/m3
Nitrogen Dioxide: 19.3 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 63.21 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
89.8°F
62.9°F
75°F
67%
0 in
6%
0%
9.8 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 12.73 μg/m3
PM10: 12.92 μg/m3
Carbon Monoxide: 168.25 μg/m3
Nitrogen Dioxide: 18.9 μg/m3
Sulphur Dioxide: 1.04 μg/m3
Ozone: 79.96 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
86.5°F
67°F
75.5°F
70%
0 in
10%
0%
11.2 mph
7.1


Air Quality

AQI: 1 - Good
PM2.5: 8.44 μg/m3
PM10: 10.35 μg/m3
Carbon Monoxide: 138.46 μg/m3
Nitrogen Dioxide: 6.57 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 82.04 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

Fog
72.5°F
64.7°F
67.6°F
97%
0.47 in
94%
0%
6 mph
6.6


Air Quality

AQI: 1 - Good
PM2.5: 5.22 μg/m3
PM10: 6.63 μg/m3
Carbon Monoxide: 143.66 μg/m3
Nitrogen Dioxide: 6.97 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 51.75 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

Tuesday, August 4, 2026

Weather Forecast

Fog
82.7°F
63.3°F
69.6°F
94%
0.53 in
93%
0%
8.1 mph
6


Air Quality

AQI: 1 - Good
PM2.5: 1.4 μg/m3
PM10: 1.67 μg/m3
Carbon Monoxide: 115.89 μg/m3
Nitrogen Dioxide: 4.47 μg/m3
Sulphur Dioxide: 0.38 μg/m3
Ozone: 48.11 μg/m3

Astronomical

Sunrise: 5:40 AM
Sun Transit: 12:51 AM
Sunset: 8:01 PM
Daylight: 14 hrs 21 mins
Moonrise: 10:37 PM
Moon Transit: 5:01 AM
Moonset: 12:04 AM
Moon Phase: Last Quarter
Moon Illumination: 54.6%

Best Times for Fishing or Hunting

Major Periods

4:31 AM - 7:01 AM
7:30 PM - 10:00 PM

Minor Periods

10:07 PM - 11:37 PM
11:34 AM - 1:04 PM

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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