Water Temperature of Cambridge Reservoir in Lincoln, MA

Current Water Temperature

48.4°F 9.1°C
Frigid Dangerously Cold
48.4°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Severe hypothermia and cold water shock risk. Unprotected swimming causes rapid loss of dexterity in under 5 minutes.

Measurement Time: Tuesday, November 10, 2026, 5:30 PM EST

Temperature Locations

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Local Points of Interest

Hobbs Brook Basin

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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

46.4°F
Clear
Conditions: Clear
Humidity: 70%
Feels Like: 40.1°F
Wind: W 7.6 mph
Wind Gusts: 17.2 mph
Pressure: 29.81 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 14.5 mi
UV Index: 0

Weather Forecast

Overcast
Tue
H: 53°F
L: 42°F
Overcast
Wed
H: 54°F
L: 40°F
Moderate Rain
Thu
H: 48°F
L: 38°F
Light Snow
Fri
H: 48°F
L: 36°F
Light Snow
Sat
H: 40°F
L: 33°F

Air Quality

EPA Index 1 • Good

Air quality is satisfactory, and air pollution poses little or no risk.

PM2.5
4.9 μg/m³
Good
PM10
5.2 μg/m³
Good
Ozone (O3)
40 μg/m³
Photochemical
NO2
24.3 μg/m³
Nitrogen Dioxide
SO2
2 μg/m³
Sulfur Dioxide
CO
184 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 58m daylight
Sunrise 6:30 AM
Solar Noon 11:29 AM
Sunset 4:28 PM
Moon
New • 0%
Moonrise 8:07 AM
Transit 12:31 PM
Moonset 4:53 PM

Best Times for Fishing or Hunting

Major Periods

12:01 PM - 2:31 PM
11:36 PM - 2:06 AM

Minor Periods

7:37 AM - 9:07 AM
4:23 PM - 5:53 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 47.5°F
Average Humidity: 70%
Chance of Rain: 2%
Wind: 10.4 mph
UV Index: 3.1

Air Quality

EPA Index 1 • Good
PM2.5
7.7 μg/m³
Good
PM10
7.9 μg/m³
Good
Ozone (O3)
39.5 μg/m³
Photochemical
NO2
18.5 μg/m³
Nitrogen Dioxide
SO2
1 μg/m³
Sulfur Dioxide
CO
180.6 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 58m daylight
Sunrise 6:30 AM
Solar Noon 11:29 AM
Sunset 4:28 PM
Moon
New • 0%
Moonrise 8:07 AM
Transit 12:31 PM
Moonset 4:53 PM

Best Times for Fishing or Hunting

Major Periods

12:01 PM - 2:31 PM
11:36 PM - 2:06 AM

Minor Periods

7:37 AM - 9:07 AM
4:23 PM - 5:53 PM
Action Rating:
Very Good 4/5
Wednesday, November 11, 2026

Weather Forecast

Conditions: Overcast
Average Temperature: 46°F
Average Humidity: 72%
Chance of Rain: 2%
Wind: 9.5 mph
UV Index: 3.2

Air Quality

EPA Index 1 • Good
PM2.5
8.8 μg/m³
Good
PM10
9 μg/m³
Good
Ozone (O3)
36 μg/m³
Photochemical
NO2
26.8 μg/m³
Nitrogen Dioxide
SO2
1.4 μg/m³
Sulfur Dioxide
CO
211.2 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 55m daylight
Sunrise 6:31 AM
Solar Noon 11:29 AM
Sunset 4:27 PM
Moon
New • 2%
Moonrise 9:07 AM
Transit 1:23 PM
Moonset 5:37 PM

Best Times for Fishing or Hunting

Major Periods

12:27 AM - 2:57 AM
12:53 PM - 3:23 PM

Minor Periods

8:37 AM - 10:07 AM
5:07 PM - 6:37 PM
Action Rating:
Good Action 3/5
Thursday, November 12, 2026

Weather Forecast

Conditions: Moderate Rain
Average Temperature: 44.1°F
Average Humidity: 86%
Chance of Rain: 67%
Wind: 11.1 mph
UV Index: 1.3

Air Quality

EPA Index 2 • Moderate
PM2.5
7.6 μg/m³
Good
PM10
9.3 μg/m³
Good
Ozone (O3)
43.2 μg/m³
Photochemical
NO2
24.9 μg/m³
Nitrogen Dioxide
SO2
0.8 μg/m³
Sulfur Dioxide
CO
172.4 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 53m daylight
Sunrise 6:33 AM
Solar Noon 11:29 AM
Sunset 4:26 PM
Moon
Waxing Crescent • 6%
Moonrise 10:01 AM
Transit 2:14 PM
Moonset 6:29 PM

Best Times for Fishing or Hunting

Major Periods

1:18 AM - 3:48 AM
1:44 PM - 4:14 PM

Minor Periods

9:31 AM - 11:01 AM
5:59 PM - 7:29 PM
Action Rating:
Good Action 3/5
Friday, November 13, 2026

Weather Forecast

Conditions: Light Snow
Average Temperature: 43.3°F
Average Humidity: 95%
Chance of Rain: 94%
Wind: 11.6 mph
UV Index: 0.7

Air Quality

EPA Index 1 • Good
PM2.5
2.1 μg/m³
Good
PM10
2.3 μg/m³
Good
Ozone (O3)
54.6 μg/m³
Photochemical
NO2
12.2 μg/m³
Nitrogen Dioxide
SO2
0.7 μg/m³
Sulfur Dioxide
CO
166.2 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 51m daylight
Sunrise 6:34 AM
Solar Noon 11:29 AM
Sunset 4:25 PM
Moon
Waxing Crescent • 13%
Moonrise 10:47 AM
Transit 3:05 PM
Moonset 7:27 PM

Best Times for Fishing or Hunting

Major Periods

2:10 AM - 4:40 AM
2:35 PM - 5:05 PM

Minor Periods

10:17 AM - 11:47 AM
6:57 PM - 8:27 PM
Action Rating:
Fair Action 2/5
Saturday, November 14, 2026

Weather Forecast

Conditions: Light Snow
Average Temperature: 37.2°F
Average Humidity: 94%
Chance of Rain: 46%
Wind: 8.1 mph
UV Index: 0.9

Air Quality

EPA Index 1 • Good
PM2.5
2.7 μg/m³
Good
PM10
2.7 μg/m³
Good
Ozone (O3)
44.3 μg/m³
Photochemical
NO2
13 μg/m³
Nitrogen Dioxide
SO2
0.9 μg/m³
Sulfur Dioxide
CO
158.9 μg/m³
Carbon Monoxide

Astronomical

Sun
9h 49m daylight
Sunrise 6:35 AM
Solar Noon 11:29 AM
Sunset 4:24 PM
Moon
Waxing Crescent • 21%
Moonrise 11:24 AM
Transit 3:54 PM
Moonset 8:29 PM

Best Times for Fishing or Hunting

Major Periods

2:59 AM - 5:29 AM
3:24 PM - 5:54 PM

Minor Periods

10:54 AM - 12:24 PM
7:59 PM - 9:29 PM
Action Rating:
Fair Action 2/5
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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