Water Temperature of Cambridge Reservoir Tributary 1 in Lexington, MA

Current Water Temperature

67.6°F

Measurement Time: Tuesday, July 22, 2025, 3:30 PM EDT

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 / 58 meters

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

64°F
Clear
Conditions: Clear
Humidity: 75%
Feels Like: 64°F
Wind: SW 4.5 mph
Wind Gusts: 9.4 mph
Pressure: 30.21 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 84°F
L: 62°F
Overcast
Thu
H: 86°F
L: 68°F
Sunny
Fri
H: 91°F
L: 69°F
Sunny
Sat
H: 83°F
L: 66°F
Patchy rain nearby
Sun
H: 71°F
L: 62°F

Air Quality

PM2.5: 19.24 μg/m3
PM10: 22.02 μg/m3
Carbon Monoxide: 477.3 μg/m3
Nitrogen Dioxide: 21.09 μg/m3
Sulphur Dioxide: 5.92 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 12:51 AM
Sunset: 8:14 PM
Daylight: 14 hrs 45 mins
Moonrise: 3:37 AM
Moon Transit: 11:51 AM
Moonset: 7:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:26 AM - 3:56 AM
11:21 AM - 1:51 PM

Minor Periods

7:26 PM - 8:56 PM
3:07 AM - 4:37 AM

Action Rating: 2 out of 5

Heat Advisory issued July 22 at 1:00PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Tue July 22, 2025, 1:00 PM
Expires: Wed July 23, 2025, 2:00 AM

* WHAT...Heat index values between 95 and 103 expected. Highest heat indices are expected Friday. * WHERE...Much of Southern New England, except for the Berkshires and the south coast. * WHEN...From 11 AM Thursday to 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 July 22 at 1:00PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Tue July 22, 2025, 1:00 PM
Expires: Wed July 23, 2025, 2:00 AM

* WHAT...Heat index values between 95 and 103 expected. Highest heat indices are expected Friday. * WHERE...Much of Southern New England, except for the Berkshires and the south coast. * WHEN...From 11 AM Thursday to 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 July 22 at 1:00PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Tue July 22, 2025, 1:00 PM
Expires: Wed July 23, 2025, 2:00 AM

* WHAT...Heat index values between 95 and 103 expected. Highest heat indices are expected Friday. * WHERE...Much of Southern New England, except for the Berkshires and the south coast. * WHEN...From 11 AM Thursday to 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 July 22 at 1:00PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Tue July 22, 2025, 1:00 PM
Expires: Wed July 23, 2025, 2:00 AM

* WHAT...Heat index values between 95 and 103 expected. Highest heat indices are expected Friday. * WHERE...Much of Southern New England, except for the Berkshires and the south coast. * WHEN...From 11 AM Thursday to 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 July 22 at 1:00PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Tue July 22, 2025, 1:00 PM
Expires: Wed July 23, 2025, 2:00 AM

* WHAT...Heat index values between 95 and 103 expected. Highest heat indices are expected Friday. * WHERE...Much of Southern New England, except for the Berkshires and the south coast. * WHEN...From 11 AM Thursday to 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.
Wednesday, July 23, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 74°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 2.4

Air Quality

AQI: 2 - Moderate
PM2.5: 15.86 μg/m3
PM10: 16.86 μg/m3
Carbon Monoxide: 388.94 μg/m3
Nitrogen Dioxide: 22.2 μg/m3
Sulphur Dioxide: 4.54 μg/m3
Ozone: 105.2 μg/m3

Astronomical

Sunrise: 5:29 AM
Sun Transit: 12:51 AM
Sunset: 8:14 PM
Daylight: 14 hrs 45 mins
Moonrise: 3:37 AM
Moon Transit: 11:51 AM
Moonset: 7:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

1:26 AM - 3:56 AM
11:21 AM - 1:51 PM

Minor Periods

7:26 PM - 8:56 PM
3:07 AM - 4:37 AM

Action Rating: 2 out of 5

Thursday, July 24, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 76.8°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 2.4

Air Quality

AQI: 2 - Moderate
PM2.5: 18.88 μg/m3
PM10: 19.72 μg/m3
Carbon Monoxide: 379.1 μg/m3
Nitrogen Dioxide: 15.47 μg/m3
Sulphur Dioxide: 6.29 μg/m3
Ozone: 123.36 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:51 AM
Sunset: 8:13 PM
Daylight: 14 hrs 44 mins
Moonrise: 4:52 AM
Moon Transit: 12:50 AM
Moonset: 8:35 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
12:20 AM - 2:50 PM

Minor Periods

8:05 PM - 9:35 PM
4:22 AM - 5:52 AM

Action Rating: 5 out of 5

Friday, July 25, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 80.4°F
Average Humidity: 67%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 23.59 μg/m3
PM10: 24.19 μg/m3
Carbon Monoxide: 411.96 μg/m3
Nitrogen Dioxide: 15.67 μg/m3
Sulphur Dioxide: 8.75 μg/m3
Ozone: 129.08 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:51 AM
Sunset: 8:12 PM
Daylight: 14 hrs 42 mins
Moonrise: 6:08 AM
Moon Transit: 1:43 PM
Moonset: 9:05 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

3:22 AM - 5:52 AM
1:13 PM - 3:43 PM

Minor Periods

8:35 PM - 10:05 PM
5:38 AM - 7:08 AM

Action Rating: 6 out of 5

Saturday, July 26, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 75.4°F
Average Humidity: 61%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 29.33 μg/m3
PM10: 30.13 μg/m3
Carbon Monoxide: 492.67 μg/m3
Nitrogen Dioxide: 20.65 μg/m3
Sulphur Dioxide: 10.1 μg/m3
Ozone: 105.77 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:51 AM
Sunset: 8:11 PM
Daylight: 14 hrs 40 mins
Moonrise: 7:21 AM
Moon Transit: 2:32 PM
Moonset: 9:29 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

4:13 AM - 6:43 AM
2:02 PM - 4:32 PM

Minor Periods

8:59 PM - 10:29 PM
6:51 AM - 8:21 AM

Action Rating: 3 out of 5

Sunday, July 27, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 64.8°F
Average Humidity: 77%
Chance of Rain: 83%
Wind: 6.5 mph
UV Index: 0.2

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: 5:32 AM
Sun Transit: 12:51 AM
Sunset: 8:10 PM
Daylight: 14 hrs 38 mins
Moonrise: 8:32 AM
Moon Transit: 3:16 PM
Moonset: 9:49 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

4:59 AM - 7:29 AM
2:46 PM - 5:16 PM

Minor Periods

9:19 PM - 10:49 PM
8:02 AM - 9:32 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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