Water Temperature of Cambridge Reservoir Tributary 1 in Lexington, MA

Current Water Temperature

31.6°F

Measurement Time: Sunday, February 1, 2026, 4:30 AM 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

8.1°F
Overcast
Overcast
-6.4°F
9.4°F
57%
N 10.5 mph
13.4 mph
-5.1°F
0.2°F
0 in
25%
9 mi
1011 mbar
1.2

Five Day Weather Forecast

Sunny
Sun
H: 30°F
L: 1°F
Cloudy
Mon
H: 28°F
L: 4°F
Sunny
Tue
H: 32°F
L: 9°F
Overcast
Wed
H: 30°F
L: 9°F
Mist
Thu
H: 25°F
L: 1°F

Air Quality

AQI: 1 - Good
PM2.5: 5.45 μg/m3
PM10: 6.05 μg/m3
Carbon Monoxide: 188.85 μg/m3
Nitrogen Dioxide: 10.45 μg/m3
Sulphur Dioxide: 2.65 μg/m3
Ozone: 75 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 11:58 AM
Sunset: 4:59 PM
Daylight: 10 hrs mins
Moonrise: 4:47 PM
Moon Transit: 12:00 AM
Moonset: 7:01 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:55 PM - 4:25 PM

Minor Periods

4:17 PM - 5:47 PM
6:31 AM - 8:01 AM

Action Rating: 4 out of 5

Coastal Flood Advisory issued January 31 at 1:01PM EST until February 2 at 2:00PM EST by NWS Boston/Norton MA

Effective: Sat January 31, 2026, 1:01 PM
Expires: Sun February 1, 2026, 7:15 AM

* WHAT...One to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways (10.8 to 12.7 feet Mean Lower Low Water). * WHERE...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA and Eastern Plymouth MA Counties. * WHEN...Multiple high tide cycles Sunday morning into Monday afternoon. * IMPACTS...Shallow pockets of flooding less than one foot deep affects the lowest lying areas along the coast, including Morrissey Boulevard in Boston. Flooding up to one foot deep affects coastal roads on the North Shore from Salem to Gloucester and Newburyport. Rough surf will cause flooding on some coastal roads around the time of high tide due to splashover. * ADDITIONAL DETAILS...Sub-freezing temperatures and cold road surfaces may allow for some of the storm surge to freeze. This would result in prolonged issues on those vulnerable roadways and also delay drainage.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Coastal Flood Advisory issued February 1 at 1:52AM EST until February 2 at 2:00PM EST by NWS Boston/Norton MA

Effective: Sun February 1, 2026, 1:52 AM
Expires: Sun February 1, 2026, 6:00 PM

* WHAT...One to two feet of inundation above ground level expected in low-lying areas near shorelines and tidal waterways (10.8 to 12.7 feet Mean Lower Low Water). * WHERE...Eastern Essex MA, Suffolk MA, Eastern Norfolk MA, Eastern Plymouth MA, Barnstable MA and Dukes MA Counties. * WHEN...From 8 AM this morning to 2 PM EST Monday. * IMPACTS...Shallow pockets of flooding less than one foot deep affects the lowest lying areas along the coast, including Morrissey Boulevard in Boston. Most roads remain passable. Flooding up to one foot deep affects coastal roads on the North Shore from Salem to Gloucester and Newburyport. Rough surf will cause flooding on some coastal roads around the time of high tide due to splashover. Roads remain passable with pockets of shallow flooding less than one foot deep. This mainly affects low lying areas and roads near Edgartown Harbor, including the Chappy Ferry Dock. Shallow flooding may also approach Five Corners in Vineyard Haven. * ADDITIONAL DETAILS...Sub-freezing temperatures and cold road surfaces may allow for some of the storm surge to freeze. This would result in prolonged issues on those vulnerable roadways and also delay drainage.

If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property.


Sunday, February 1, 2026

Weather Forecast

Sunny
30°F
0.9°F
13°F
66%
0 in
0%
0%
11.4 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 10.61 μg/m3
PM10: 11.37 μg/m3
Carbon Monoxide: 231.65 μg/m3
Nitrogen Dioxide: 21.88 μg/m3
Sulphur Dioxide: 3.31 μg/m3
Ozone: 54.56 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 11:58 AM
Sunset: 4:59 PM
Daylight: 10 hrs mins
Moonrise: 4:47 PM
Moon Transit: 12:00 AM
Moonset: 7:01 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:55 PM - 4:25 PM

Minor Periods

4:17 PM - 5:47 PM
6:31 AM - 8:01 AM

Action Rating: 4 out of 5

Monday, February 2, 2026

Weather Forecast

Cloudy
27.5°F
3.6°F
17.5°F
65%
0 in
0%
0%
7.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 8.65 μg/m3
PM10: 9.21 μg/m3
Carbon Monoxide: 213.77 μg/m3
Nitrogen Dioxide: 17.36 μg/m3
Sulphur Dioxide: 3.15 μg/m3
Ozone: 67.72 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 11:58 AM
Sunset: 5:00 PM
Daylight: 10 hrs 3 mins
Moonrise: 6:04 PM
Moon Transit: 12:16 AM
Moonset: 7:31 AM
Moon Phase: Full
Moon Illumination: 99.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:47 PM - 5:17 PM

Minor Periods

5:34 PM - 7:04 PM
7:01 AM - 8:31 AM

Action Rating: 5 out of 5

Tuesday, February 3, 2026

Weather Forecast

Sunny
32°F
8.6°F
21°F
71%
0 in
0%
0%
4.7 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 13.4 μg/m3
PM10: 14.15 μg/m3
Carbon Monoxide: 271.05 μg/m3
Nitrogen Dioxide: 29.95 μg/m3
Sulphur Dioxide: 3.92 μg/m3
Ozone: 58.96 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

Overcast
30°F
9.1°F
22.4°F
80%
0 in
0%
0%
8.1 mph
0.4


Air Quality

AQI: 2 - Moderate
PM2.5: 15.88 μg/m3
PM10: 16.09 μg/m3
Carbon Monoxide: 295.81 μg/m3
Nitrogen Dioxide: 32.15 μg/m3
Sulphur Dioxide: 3.67 μg/m3
Ozone: 42.84 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

Mist
25°F
0.7°F
12°F
89%
0.01 in
75%
15%
10.7 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 5.98 μg/m3
PM10: 6.07 μg/m3
Carbon Monoxide: 237.7 μg/m3
Nitrogen Dioxide: 19.55 μg/m3
Sulphur Dioxide: 2.32 μg/m3
Ozone: 52.54 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

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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