Water Temperature of Cambridge Reservoir in Lincoln, MA

Current Water Temperature

62.2°F

Measurement Time: Tuesday, May 19, 2026, 9:40 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

74.4°F
Sunny
Sunny
76.7°F
76.7°F
80%
WSW 7.6 mph
12 mph
74.4°F
66.1°F
0 in
14%
6 mi
1012 mbar
0.5

Five Day Weather Forecast

Sunny
Wed
H: 91°F
L: 61°F
Sunny
Thu
H: 68°F
L: 50°F
Sunny
Fri
H: 70°F
L: 43°F
Sunny
Sat
H: 65°F
L: 49°F
Sunny
Sun
H: 63°F
L: 46°F

Air Quality

PM2.5: 7.65 μg/m3
PM10: 8.85 μg/m3
Carbon Monoxide: 169.85 μg/m3
Nitrogen Dioxide: 3.75 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 120 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:41 AM
Sunset: 8:05 PM
Daylight: 14 hrs 47 mins
Moonrise: 8:47 AM
Moon Transit: 4:47 PM
Moonset: 12:52 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

6:22 AM - 8:52 AM
4:17 PM - 6:47 PM

Minor Periods

8:17 AM - 9:47 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Heat Advisory issued May 19 at 2:02PM EDT until May 20 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Tue May 19, 2026, 2:02 PM
Expires: Wed May 20, 2026, 6:00 AM

* WHAT...Heat index values up to 96. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Heat Advisory issued May 20 at 1:29AM EDT until May 20 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Wed May 20, 2026, 1:29 AM
Expires: Wed May 20, 2026, 8:00 PM

* WHAT...Heat index values up to 96. * WHERE...Much of Southern New England, except for the eastern slopes of the Berkshires, the Rhode Island and Massachusetts South Coast, Cape Cod and the Islands. * WHEN...Until 8 PM EDT this evening. * IMPACTS...Hot temperatures and moderate humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.


Wednesday, May 20, 2026

Weather Forecast

Sunny
90.5°F
61.2°F
75.4°F
64%
0 in
0%
0%
15.7 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 9.35 μg/m3
PM10: 10.84 μg/m3
Carbon Monoxide: 185.21 μg/m3
Nitrogen Dioxide: 9.49 μg/m3
Sulphur Dioxide: 1.96 μg/m3
Ozone: 97.6 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:41 AM
Sunset: 8:05 PM
Daylight: 14 hrs 47 mins
Moonrise: 8:47 AM
Moon Transit: 4:47 PM
Moonset: 12:52 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

6:22 AM - 8:52 AM
4:17 PM - 6:47 PM

Minor Periods

8:17 AM - 9:47 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, May 21, 2026

Weather Forecast

Sunny
67.6°F
49.7°F
58.6°F
38%
0 in
0%
0%
11 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 3.4 μg/m3
PM10: 3.68 μg/m3
Carbon Monoxide: 136.47 μg/m3
Nitrogen Dioxide: 6.24 μg/m3
Sulphur Dioxide: 1.54 μg/m3
Ozone: 80.52 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:41 AM
Sunset: 8:06 PM
Daylight: 14 hrs 49 mins
Moonrise: 10:06 AM
Moon Transit: 5:43 PM
Moonset: 12:34 AM
Moon Phase: Waxing Crescent
Moon Illumination: 23.2%

Best Times for Fishing or Hunting

Major Periods

7:21 AM - 9:51 AM
5:13 PM - 7:43 PM

Minor Periods

9:36 AM - 11:06 AM
12:04 AM - 1:34 AM

Action Rating: 3 out of 5

Friday, May 22, 2026

Weather Forecast

Sunny
70°F
42.6°F
56.9°F
43%
0 in
0%
0%
9.4 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 5.89 μg/m3
PM10: 6.37 μg/m3
Carbon Monoxide: 159.6 μg/m3
Nitrogen Dioxide: 9.59 μg/m3
Sulphur Dioxide: 1.94 μg/m3
Ozone: 78.76 μg/m3

Astronomical

Sunrise: 5:17 AM
Sun Transit: 12:41 AM
Sunset: 8:07 PM
Daylight: 14 hrs 50 mins
Moonrise: 11:22 AM
Moon Transit: 6:34 PM
Moonset: 1:07 AM
Moon Phase: Waxing Crescent
Moon Illumination: 33.4%

Best Times for Fishing or Hunting

Major Periods

8:14 AM - 10:44 AM
6:04 PM - 8:34 PM

Minor Periods

10:52 AM - 12:22 AM
12:37 AM - 2:07 AM

Action Rating: 3 out of 5

Saturday, May 23, 2026

Weather Forecast

Sunny
64.5°F
49.1°F
56.4°F
56%
0 in
0%
0%
10.5 mph
4


Air Quality

AQI: 1 - Good
PM2.5: 9.22 μg/m3
PM10: 11.07 μg/m3
Carbon Monoxide: 179.93 μg/m3
Nitrogen Dioxide: 15.43 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 61.15 μg/m3

Astronomical

Sunrise: 5:16 AM
Sun Transit: 12:41 AM
Sunset: 8:08 PM
Daylight: 14 hrs 52 mins
Moonrise: 12:34 AM
Moon Transit: 7:20 PM
Moonset: 1:32 AM
Moon Phase: First Quarter
Moon Illumination: 44.4%

Best Times for Fishing or Hunting

Major Periods

9:02 AM - 11:32 AM
6:50 PM - 9:20 PM

Minor Periods

12:04 AM - 1:34 PM
1:02 AM - 2:32 AM

Action Rating: 2 out of 5

Sunday, May 24, 2026

Weather Forecast

Sunny
62.7°F
46.3°F
53.6°F
49%
0 in
0%
0%
10.1 mph
4


Air Quality

AQI: 0 -
PM2.5: 0 μg/m3
PM10: 0 μg/m3
Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

Sunrise: 5:15 AM
Sun Transit: 12:41 AM
Sunset: 8:09 PM
Daylight: 14 hrs 54 mins
Moonrise: 1:42 PM
Moon Transit: 8:04 PM
Moonset: 1:54 AM
Moon Phase: First Quarter
Moon Illumination: 55.7%

Best Times for Fishing or Hunting

Major Periods

9:47 AM - 12:17 AM
7:34 PM - 10:04 PM

Minor Periods

1:12 PM - 2:42 PM
1:24 AM - 2:54 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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