Water Temperature of Cambridge Reservoir in Lincoln, MA

Current Water Temperature

74.3°F

Measurement Time: Friday, June 12, 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

71.1°F
Partly cloudy
Partly cloudy
71.1°F
78.6°F
93%
WNW 4.9 mph
7.7 mph
75°F
67.5°F
0 in
50%
9 mi
1004 mbar
0.7

Five Day Weather Forecast

Sunny
Fri
H: 96°F
L: 70°F
Patchy rain nearby
Sat
H: 88°F
L: 66°F
Sunny
Sun
H: 89°F
L: 61°F
Patchy rain nearby
Mon
H: 84°F
L: 61°F
Sunny
Tue
H: 77°F
L: 52°F

Air Quality

AQI: 1 - Good
PM2.5: 9.4 μg/m3
PM10: 9.6 μg/m3
Carbon Monoxide: 152 μg/m3
Nitrogen Dioxide: 19.2 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 62 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:45 AM
Sunset: 8:23 PM
Daylight: 15 hrs 16 mins
Moonrise: 2:36 AM
Moon Transit: 10:08 AM
Moonset: 5:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:38 AM - 12:08 AM

Minor Periods

5:25 PM - 6:55 PM
2:06 AM - 3:36 AM

Action Rating: 2 out of 5

Heat Advisory issued June 11 at 3:27PM EDT until June 12 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Thu June 11, 2026, 3:27 PM
Expires: Fri June 12, 2026, 6:00 AM

* WHAT...Heat index values up to 96. * WHERE...Portions of central, eastern, northeastern, and southeastern Massachusetts and northern Rhode Island. * WHEN...Until 8 PM EDT Friday. * 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.


Heat Advisory issued June 11 at 3:17PM EDT until June 12 at 8:00PM EDT by NWS Gray ME

Effective: Thu June 11, 2026, 3:17 PM
Expires: Fri June 12, 2026, 3:30 AM

* WHAT...For the first Heat Advisory, heat index values up to 95. For the second Heat Advisory, heat index values up to 99 expected. * WHERE...Western and Central Hillsborough, Belknap, Merrimack, Strafford, Sullivan, Southern Grafton, Cheshire, Eastern Hillsborough, and Interior Rockingham Counties. * WHEN...For the first Heat Advisory, until 8 PM EDT this evening. For the second Heat Advisory, from noon to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...It will remain warm tonight as overnight lows only dip into the mid 60s to lower 70s.

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 June 12 at 2:29AM EDT until June 12 at 8:00PM EDT by NWS Gray ME

Effective: Fri June 12, 2026, 2:29 AM
Expires: Fri June 12, 2026, 8:00 PM

* WHAT...Heat index values of 95 to 100 expected. * WHERE...Portions of southwest and western Maine and central, northern, and southern New Hampshire. * WHEN...From noon today to 8 PM EDT this evening. * 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.


Friday, June 12, 2026

Weather Forecast

Sunny
95.5°F
70°F
79.7°F
68%
0 in
17%
0%
7.4 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 8.9 μg/m3
PM10: 9.42 μg/m3
Carbon Monoxide: 164.04 μg/m3
Nitrogen Dioxide: 13.47 μg/m3
Sulphur Dioxide: 0.97 μg/m3
Ozone: 93.33 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:45 AM
Sunset: 8:23 PM
Daylight: 15 hrs 16 mins
Moonrise: 2:36 AM
Moon Transit: 10:08 AM
Moonset: 5:55 PM
Moon Phase: Waning Crescent
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:38 AM - 12:08 AM

Minor Periods

5:25 PM - 6:55 PM
2:06 AM - 3:36 AM

Action Rating: 2 out of 5

Saturday, June 13, 2026

Weather Forecast

Patchy rain nearby
88.3°F
65.9°F
75.5°F
62%
0.04 in
57%
0%
8.7 mph
9.2


Air Quality

AQI: 1 - Good
PM2.5: 4.47 μg/m3
PM10: 5.1 μg/m3
Carbon Monoxide: 129.83 μg/m3
Nitrogen Dioxide: 7.25 μg/m3
Sulphur Dioxide: 0.54 μg/m3
Ozone: 87 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:45 AM
Sunset: 8:23 PM
Daylight: 15 hrs 16 mins
Moonrise: 3:13 AM
Moon Transit: 11:09 AM
Moonset: 7:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

12:44 AM - 3:14 AM
10:39 AM - 1:09 PM

Minor Periods

6:47 PM - 8:17 PM
2:43 AM - 4:13 AM

Action Rating: 3 out of 5

Sunday, June 14, 2026

Weather Forecast

Sunny
88.5°F
61°F
74.2°F
62%
0 in
5%
0%
11.4 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 5.95 μg/m3
PM10: 6.51 μg/m3
Carbon Monoxide: 130.04 μg/m3
Nitrogen Dioxide: 7.88 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 97.21 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:45 AM
Sunset: 8:24 PM
Daylight: 15 hrs 17 mins
Moonrise: 4:03 AM
Moon Transit: 12:15 AM
Moonset: 8:33 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

1:48 AM - 4:18 AM
11:45 AM - 2:15 PM

Minor Periods

8:03 PM - 9:33 PM
3:33 AM - 5:03 AM

Action Rating: 5 out of 5

Monday, June 15, 2026

Weather Forecast

Patchy rain nearby
84.2°F
60.6°F
72.8°F
55%
0.01 in
17%
0%
13.6 mph
1.5


Air Quality

AQI: 1 - Good
PM2.5: 3.88 μg/m3
PM10: 4.58 μg/m3
Carbon Monoxide: 121.6 μg/m3
Nitrogen Dioxide: 4.7 μg/m3
Sulphur Dioxide: 0.57 μg/m3
Ozone: 86.67 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:45 AM
Sunset: 8:24 PM
Daylight: 15 hrs 17 mins
Moonrise: 5:06 AM
Moon Transit: 1:23 PM
Moonset: 9:37 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

2:56 AM - 5:26 AM
12:53 AM - 3:23 PM

Minor Periods

9:07 PM - 10:37 PM
4:36 AM - 6:06 AM

Action Rating: 4 out of 5

Tuesday, June 16, 2026

Weather Forecast

Sunny
77°F
51.6°F
63.4°F
55%
0 in
4%
0%
11 mph
5


Air Quality

AQI: 1 - Good
PM2.5: 2.02 μg/m3
PM10: 2.03 μg/m3
Carbon Monoxide: 134.67 μg/m3
Nitrogen Dioxide: 5.92 μg/m3
Sulphur Dioxide: 0.52 μg/m3
Ozone: 45.44 μg/m3

Astronomical

Sunrise: 5:07 AM
Sun Transit: 12:45 AM
Sunset: 8:25 PM
Daylight: 15 hrs 17 mins
Moonrise: 6:21 AM
Moon Transit: 2:29 PM
Moonset: 10:27 PM
Moon Phase: New
Moon Illumination: 1.0%

Best Times for Fishing or Hunting

Major Periods

4:03 AM - 6:33 AM
1:59 PM - 4:29 PM

Minor Periods

9:57 PM - 11:27 PM
5:51 AM - 7:21 AM

Action Rating: 3 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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