Water Temperature of Cambridge Reservoir Tributary 1 in Lexington, MA

Current Water Temperature

31.6°F

Measurement Time: Monday, February 2, 2026, 4:30 PM EST

Temperature Locations

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Local Points of Interest

Hobbs Brook Basin

Cambridge Reservoir Tributary 1

Station Name: CAMBRIDGE RES., UNNAMED TRIB 1, NR LEXINGTON, MA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 190 feet

Nearest Address:
459 Lincoln St
Lexington, MA 02421
Middlesex County

GPS Coordinates: 42.43648406, -71.2642235

Nearby Water Temperatures

Cambridge Reservoir Tributary 2, Lexington, MA (0.2 mi)
Hobbs Brook, Lincoln, MA (0.3 mi)
Cambridge Reservoir, Lincoln, MA (1.1 mi)
Cambridge Reservoir Tributary 3, Waltham, MA (1.2 mi)
Shawsheen River, Bedford, MA (2.2 mi)
Stony Brook, Waltham, MA (2.7 mi)
Stony Brook, Weston, MA (3.7 mi)
Stony Brook Tributary, Waltham, MA (4.4 mi)
Stony Brook Tributary, Weston, MA (4.5 mi)
Stony Brook, Weston, MA (4.7 mi)
Stony Brook Reservoir Tributary, Weston, MA (5.7 mi)
Fresh Pond, Cambridge, MA (7.1 mi)
Nashua River, Clinton, MA (20.5 mi)
Gates Brook, West Boylston, MA (26.5 mi)
Stillwater River, Sterling, MA (26.9 mi)

Weather for Lexington, Massachusetts

Current Weather

12.9°F
Clear
Clear
6.7°F
8.8°F
61%
WNW 3.6 mph
7.5 mph
-1°F
-10.1°F
0 in
0%
9 mi
1016 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 35°F
L: 2°F
Partly Cloudy
Wed
H: 34°F
L: 9°F
Cloudy
Thu
H: 28°F
L: 17°F
Patchy moderate snow
Fri
H: 25°F
L: -5°F
Light freezing rain
Sat
H: 8°F
L: -1°F

Air Quality

PM2.5: 9.05 μg/m3
PM10: 10.45 μg/m3
Carbon Monoxide: 226.85 μg/m3
Nitrogen Dioxide: 34.55 μg/m3
Sulphur Dioxide: 2.75 μg/m3
Ozone: 49 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 11:58 AM
Sunset: 5:02 PM
Daylight: 10 hrs 5 mins
Moonrise: 7:16 PM
Moon Transit: 1:06 AM
Moonset: 7:55 AM
Moon Phase: Full
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

12:36 AM - 3:06 AM
3:34 PM - 6:04 PM

Minor Periods

6:46 PM - 8:16 PM
7:25 AM - 8:55 AM

Action Rating: 4 out of 5

Tuesday, February 3, 2026

Weather Forecast

Sunny
34.5°F
1.8°F
18.6°F
56%
0 in
0%
0%
4 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 13.6 μg/m3
PM10: 15.02 μg/m3
Carbon Monoxide: 264.21 μg/m3
Nitrogen Dioxide: 31.59 μg/m3
Sulphur Dioxide: 3.79 μg/m3
Ozone: 57.52 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 11:58 AM
Sunset: 5:02 PM
Daylight: 10 hrs 5 mins
Moonrise: 7:16 PM
Moon Transit: 1:06 AM
Moonset: 7:55 AM
Moon Phase: Full
Moon Illumination: 96.3%

Best Times for Fishing or Hunting

Major Periods

12:36 AM - 3:06 AM
3:34 PM - 6:04 PM

Minor Periods

6:46 PM - 8:16 PM
7:25 AM - 8:55 AM

Action Rating: 4 out of 5

Wednesday, February 4, 2026

Weather Forecast

Partly Cloudy
34.3°F
8.8°F
25.5°F
73%
0 in
0%
0%
11.4 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 13.55 μg/m3
PM10: 13.82 μg/m3
Carbon Monoxide: 332.21 μg/m3
Nitrogen Dioxide: 30.06 μg/m3
Sulphur Dioxide: 3.43 μg/m3
Ozone: 47.2 μg/m3

Astronomical

Sunrise: 6:56 AM
Sun Transit: 11:58 AM
Sunset: 5:03 PM
Daylight: 10 hrs 7 mins
Moonrise: 8:25 PM
Moon Transit: 1:52 AM
Moonset: 8:17 AM
Moon Phase: Full
Moon Illumination: 90.9%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
4:19 PM - 6:49 PM

Minor Periods

7:55 PM - 9:25 PM
7:47 AM - 9:17 AM

Action Rating: 3 out of 5

Thursday, February 5, 2026

Weather Forecast

Cloudy
28.2°F
16.9°F
22.2°F
69%
0 in
0%
0%
7.8 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 8.58 μg/m3
PM10: 8.84 μg/m3
Carbon Monoxide: 260.7 μg/m3
Nitrogen Dioxide: 22.28 μg/m3
Sulphur Dioxide: 2.83 μg/m3
Ozone: 56.92 μg/m3

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:00 AM
Sunset: 5:04 PM
Daylight: 10 hrs 10 mins
Moonrise: 9:32 PM
Moon Transit: 2:36 AM
Moonset: 8:36 AM
Moon Phase: Waning Gibbous
Moon Illumination: 83.4%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
5:02 PM - 7:32 PM

Minor Periods

9:02 PM - 10:32 PM
8:06 AM - 9:36 AM

Action Rating: 3 out of 5

Friday, February 6, 2026

Weather Forecast

Patchy moderate snow
24.7°F
-4.9°F
15.1°F
83%
0.03 in
83%
15%
7.6 mph
0.4


Air Quality

AQI: 2 - Moderate
PM2.5: 23.99 μg/m3
PM10: 24.77 μg/m3
Carbon Monoxide: 465.52 μg/m3
Nitrogen Dioxide: 63.1 μg/m3
Sulphur Dioxide: 3.47 μg/m3
Ozone: 12.31 μg/m3

Astronomical

Sunrise: 6:53 AM
Sun Transit: 12:00 AM
Sunset: 5:06 PM
Daylight: 10 hrs 12 mins
Moonrise: 10:37 PM
Moon Transit: 3:18 AM
Moonset: 8:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.1%

Best Times for Fishing or Hunting

Major Periods

2:48 AM - 5:18 AM
5:44 PM - 8:14 PM

Minor Periods

10:07 PM - 11:37 PM
8:26 AM - 9:56 AM

Action Rating: 2 out of 5

Saturday, February 7, 2026

Weather Forecast

Light freezing rain
7.5°F
-1.3°F
8.9°F
81%
0.01 in
78%
19%
17.4 mph
0


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: 6:52 AM
Sun Transit: 12:00 AM
Sunset: 5:07 PM
Daylight: 10 hrs 15 mins
Moonrise: 11:42 PM
Moon Transit: 4:01 AM
Moonset: 9:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 63.7%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
6:27 PM - 8:57 PM

Minor Periods

12:00 AM - 12:00 AM
8:46 AM - 10:16 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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