Water Temperature of Cambridge Reservoir in Lincoln, MA

Current Water Temperature

68.5°F

Measurement Time: Saturday, May 23, 2026, 5:40 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

55.9°F
Sunny
Sunny
55.2°F
67.9°F
60%
E 4.9 mph
5.8 mph
66.7°F
41.9°F
0 in
0%
9 mi
1033 mbar
3.3

Five Day Weather Forecast

Sunny
Sat
H: 76°F
L: 47°F
Patchy rain nearby
Sun
H: 54°F
L: 48°F
Moderate rain
Mon
H: 64°F
L: 51°F
Sunny
Tue
H: 77°F
L: 54°F
Patchy rain nearby
Wed
H: 76°F
L: 55°F

Air Quality

AQI: 1 - Good
PM2.5: 6.55 μg/m3
PM10: 8.15 μg/m3
Carbon Monoxide: 126.85 μg/m3
Nitrogen Dioxide: 7.25 μg/m3
Sulphur Dioxide: 1.65 μg/m3
Ozone: 80 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

Special Weather Statement issued May 23 at 2:28AM EDT by NWS Gray ME

Effective: Sat May 23, 2026, 2:28 AM
Expires: Sat May 23, 2026, 12:00 PM

* Air temperatures in the lower 60s to lower 70s this weekend (50s on Sunday) may cause people to underestimate the dangers of the cold water temperatures which are currently only in the mid 50s across Sebago Lake and Lake Winnipesaukee, and in the mid 50s in the regions smaller lakes and rivers. * The cold water temperatures can quickly cause hypothermia to anyone immersed in the water. When the water temperature is below 60 degrees, the average submerged person could loose dexterity within minutes and be unable to accomplish simple tasks. Anyone on small boats, canoes, or kayaks should plan accordingly if recreating this weekend and use extreme caution to avoid this threat. Paddle smart from the start and always wear your life jacket! * Generally light and variable winds shift to southerly today. Winds will be breezy this afternoon with some gusts up to 25 mph. If boating on large bodies of water, these strong winds can increase the likelihood of overturning your boat, canoe, or kayak due to increased wave heights.


Beach Hazards Statement issued May 23 at 2:38AM EDT until May 23 at 8:00PM EDT by NWS Gray ME

Effective: Sat May 23, 2026, 2:38 AM
Expires: Sat May 23, 2026, 10:45 AM

* WHAT...Warm air temperatures in the 60s may cause people to underestimate the dangers of the cold water temperatures in the upper 40s to low 50s. * WHERE...In Maine, Coastal York, Coastal Cumberland, Sagadahoc, Lincoln, Knox and Coastal Waldo Counties. In New Hampshire, Coastal Rockingham County. * WHEN...From 8 AM EDT this morning through this evening. * IMPACTS...The cold water temperatures can quickly cause hypothermia to anyone immersed in the water. Sudden immersion into water at these temperatures can cause physical incapacitation in less than 10 minutes. Anyone on boats or paddlecraft should use extreme caution to avoid this threat.

A Beach Hazards Statement is issued on days when a significant number of boats and paddlecraft are expected to be out on the water and when warm air temperatures may cause people to underestimate the danger of the cold water. Paddle smart from the start. Always wear your life jacket. Be aware of wind conditions, tides, and localized currents. All boaters and paddlers are highly encouraged to contact the U.S. Coast Guard Auxiliary or U.S. Power Squadrons at www.wow.uscgaux/i_want_a_usc/index.php to receive a FREE vessel check. This is a convenient, no consequence way to ensure your vessel is outfitted with all required safety equipment. Additionally, please label your paddlecraft with your contact information (IF FOUND Sticker) in the event it is found adrift on the water.


Saturday, May 23, 2026

Weather Forecast

Sunny
75.6°F
46.8°F
58.9°F
49%
0 in
0%
0%
8.5 mph
4.2


Air Quality

AQI: 1 - Good
PM2.5: 10.35 μg/m3
PM10: 11.9 μg/m3
Carbon Monoxide: 198.29 μg/m3
Nitrogen Dioxide: 22.83 μg/m3
Sulphur Dioxide: 1.88 μg/m3
Ozone: 52.12 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

Patchy rain nearby
54.2°F
48.3°F
50.4°F
81%
0.17 in
87%
0%
9.2 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 8.36 μg/m3
PM10: 11.02 μg/m3
Carbon Monoxide: 135.93 μg/m3
Nitrogen Dioxide: 10.35 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 67.12 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

Monday, May 25, 2026

Weather Forecast

Moderate rain
64.2°F
51°F
54.6°F
95%
0.63 in
89%
0%
9.4 mph
3.8


Air Quality

AQI: 1 - Good
PM2.5: 4.83 μg/m3
PM10: 5.07 μg/m3
Carbon Monoxide: 143.29 μg/m3
Nitrogen Dioxide: 11.41 μg/m3
Sulphur Dioxide: 1.71 μg/m3
Ozone: 69.08 μg/m3

Astronomical

Sunrise: 5:15 AM
Sun Transit: 12:42 AM
Sunset: 8:10 PM
Daylight: 14 hrs 55 mins
Moonrise: 2:48 PM
Moon Transit: 8:46 PM
Moonset: 2:14 AM
Moon Phase: First Quarter
Moon Illumination: 66.7%

Best Times for Fishing or Hunting

Major Periods

10:30 AM - 1:00 PM
8:16 PM - 10:46 PM

Minor Periods

2:18 PM - 3:48 PM
1:44 AM - 3:14 AM

Action Rating: 3 out of 5

Tuesday, May 26, 2026

Weather Forecast

Sunny
76.9°F
53.8°F
63.8°F
74%
0 in
0%
0%
8.9 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 10.97 μg/m3
PM10: 11.31 μg/m3
Carbon Monoxide: 208.79 μg/m3
Nitrogen Dioxide: 28.12 μg/m3
Sulphur Dioxide: 1.82 μg/m3
Ozone: 58.24 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 12:42 AM
Sunset: 8:11 PM
Daylight: 14 hrs 57 mins
Moonrise: 3:52 PM
Moon Transit: 9:27 PM
Moonset: 2:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 76.9%

Best Times for Fishing or Hunting

Major Periods

11:11 AM - 1:41 PM
8:57 PM - 11:27 PM

Minor Periods

3:22 PM - 4:52 PM
2:04 AM - 3:34 AM

Action Rating: 2 out of 5

Wednesday, May 27, 2026

Weather Forecast

Patchy rain nearby
76.4°F
54.9°F
63.3°F
78%
0.13 in
87%
0%
14.5 mph
1.2


Air Quality

AQI: 1 - Good
PM2.5: 9.8 μg/m3
PM10: 10.04 μg/m3
Carbon Monoxide: 234.52 μg/m3
Nitrogen Dioxide: 20.73 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 57.85 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 12:42 AM
Sunset: 8:12 PM
Daylight: 14 hrs 59 mins
Moonrise: 4:57 PM
Moon Transit: 10:10 PM
Moonset: 2:54 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 85.7%

Best Times for Fishing or Hunting

Major Periods

11:53 AM - 2:23 PM
12:00 AM - 12:00 AM

Minor Periods

4:27 PM - 5:57 PM
2:24 AM - 3:54 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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