Water Temperature of Cambridge Reservoir Tributary 1 in Lexington, MA

Current Water Temperature

53.6°F 12.0°C
Cold Thermal Gear Required
53.6°F
Frigid < 50°F
Cold 50°–60°
Cool 60°–70°
Comfortable 70°–80°
Warm 80°+

Cold shock risk with rapid dexterity loss (10–15 mins). Wetsuit or drysuit strongly advised for any immersion.

Measurement Time: Sunday, November 8, 2026, 6:40 AM EST

Temperature Locations

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Local Points of Interest

Hobbs Brook Basin

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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

55.4°F
Patchy rain nearby
Conditions: Patchy rain nearby
Humidity: 61%
Feels Like: 47.7°F
Wind: W 12.5 mph
Wind Gusts: 25.1 mph
Pressure: 29.69 in
Precipitation: 0 in
Cloud Cover: 76%
Visibility: 6 mi
UV Index: 1.3

Weather Forecast

Sunny
Sun
H: 56°F
L: 44°F
Patchy rain nearby
Mon
H: 54°F
L: 44°F
Sunny
Tue
H: 56°F
L: 41°F

Air Quality

EPA Index 1 • Good

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

PM2.5
2.7 μg/m³
Good
PM10
2.7 μg/m³
Good
Ozone (O3)
54 μg/m³
Photochemical
NO2
4.4 μg/m³
Nitrogen Dioxide
SO2
0.9 μg/m³
Sulfur Dioxide
CO
139 μg/m³
Carbon Monoxide

Astronomical

Sun
10h 2m daylight
Sunrise 6:28 AM
Solar Noon 11:28 AM
Sunset 4:30 PM
Moon
New • 0%
Moonrise 5:55 AM
Transit 10:53 AM
Moonset 3:45 PM

Best Times for Fishing or Hunting

Major Periods

10:23 AM - 12:53 PM
10:47 PM - 1:17 AM

Minor Periods

5:25 AM - 6:55 AM
3:15 PM - 4:45 PM
Action Rating:
Peak Action 5/5

Small Craft Advisory issued November 8 at 7:39AM EST until November 8 at 4:00PM EST by NWS Boston/Norton MA

Effective: Sun November 8, 2026, 7:39 AM
Expires: Sun November 8, 2026, 4:00 PM

* WHAT...West winds 10 to 20 kt with gusts up to 30 kt and waves 2 to 3 feet. * WHERE...In Massachusetts coastal waters, Boston Harbor. In Rhode Island coastal waters, Narragansett Bay. * WHEN...Until 4 PM EST this afternoon. * IMPACTS...Conditions will be hazardous to small craft. * ADDITIONAL INFORMATION...Expecting a brief lull in conditions this morning into early afternoon. Gusty winds and rough seas should redevelop by this evening.
Sunday, November 8, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 49.1°F
Average Humidity: 76%
Chance of Rain: 62%
Wind: 13.6 mph
UV Index: 1.6

Astronomical

Sun
10h 2m daylight
Sunrise 6:28 AM
Solar Noon 11:28 AM
Sunset 4:30 PM
Moon
New • 0%
Moonrise 5:55 AM
Transit 10:53 AM
Moonset 3:45 PM

Best Times for Fishing or Hunting

Major Periods

10:23 AM - 12:53 PM
10:47 PM - 1:17 AM

Minor Periods

5:25 AM - 6:55 AM
3:15 PM - 4:45 PM
Action Rating:
Peak Action 5/5
Monday, November 9, 2026

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 47.9°F
Average Humidity: 70%
Chance of Rain: 36%
Wind: 11.6 mph
UV Index: 1.6

Astronomical

Sun
10h 0m daylight
Sunrise 6:29 AM
Solar Noon 11:28 AM
Sunset 4:29 PM
Moon
New • 2%
Moonrise 7:02 AM
Transit 11:41 AM
Moonset 4:16 PM

Best Times for Fishing or Hunting

Major Periods

11:11 AM - 1:41 PM
11:36 PM - 2:06 AM

Minor Periods

6:32 AM - 8:02 AM
3:46 PM - 5:16 PM
Action Rating:
Very Good 4/5
Tuesday, November 10, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 47.8°F
Average Humidity: 67%
Chance of Rain: 9%
Wind: 10.1 mph
UV Index: 1.8

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
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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