Water Temperature of Cambridge Reservoir Tributary 1 in Lexington, MA

Current Water Temperature

34.0°F

Measurement Time: Wednesday, February 18, 2026, 3:30 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

30°F
Mist
Mist
26.3°F
35.9°F
96%
W 3.6 mph
5.5 mph
32.4°F
32.8°F
0 in
75%
1 mi
1013 mbar
0.8

Five Day Weather Forecast

Partly Cloudy
Wed
H: 47°F
L: 32°F
Moderate or heavy snow showers
Thu
H: 37°F
L: 27°F
Mist
Fri
H: 33°F
L: 22°F
Patchy rain nearby
Sat
H: 40°F
L: 27°F
Moderate or heavy snow showers
Sun
H: 35°F
L: 21°F

Air Quality

AQI: 2 - Moderate
PM2.5: 42.05 μg/m3
PM10: 43.45 μg/m3
Carbon Monoxide: 366.85 μg/m3
Nitrogen Dioxide: 39.45 μg/m3
Sulphur Dioxide: 8.95 μg/m3
Ozone: 50 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 11:58 AM
Sunset: 5:21 PM
Daylight: 10 hrs 43 mins
Moonrise: 7:10 AM
Moon Transit: 12:55 AM
Moonset: 6:53 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
12:25 AM - 2:55 PM

Minor Periods

6:23 PM - 7:53 PM
6:40 AM - 8:10 AM

Action Rating: 4 out of 5

Winter Weather Advisory issued February 18 at 12:59AM EST until February 19 at 4:00AM EST by NWS Boston/Norton MA

Effective: Wed February 18, 2026, 12:59 AM
Expires: Wed February 18, 2026, 4:15 PM

* WHAT...Snow expected. Total snow accumulations between 2 and 4 inches. * WHERE...Portions of central and western Massachusetts. * WHEN...From 1 PM this afternoon to 4 AM EST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

Slow down and use caution while traveling.


Special Weather Statement issued February 18 at 1:32AM EST by NWS Boston/Norton MA

Effective: Wed February 18, 2026, 1:32 AM
Expires: Wed February 18, 2026, 8:00 AM

Patchy dense fog this morning resulted in poor visibility as low as one quarter mile. With temperatures also near freezing, this could lead to slippery spots on untreated surfaces in addition to the poor visibility. Elevated surfaces such as bridges are most likely to have icy spots. Travelers this morning should slow down and allow extra time to reach their destination safely. Remain alert for sudden drops in visibility and possible icy spots.


Wednesday, February 18, 2026

Weather Forecast

Partly Cloudy
46.6°F
32.2°F
36.6°F
87%
0 in
0%
0%
5.6 mph
0.3


Air Quality

AQI: 2 - Moderate
PM2.5: 32.99 μg/m3
PM10: 34.42 μg/m3
Carbon Monoxide: 376.33 μg/m3
Nitrogen Dioxide: 45.78 μg/m3
Sulphur Dioxide: 5.37 μg/m3
Ozone: 32.96 μg/m3

Astronomical

Sunrise: 6:38 AM
Sun Transit: 11:58 AM
Sunset: 5:21 PM
Daylight: 10 hrs 43 mins
Moonrise: 7:10 AM
Moon Transit: 12:55 AM
Moonset: 6:53 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
12:25 AM - 2:55 PM

Minor Periods

6:23 PM - 7:53 PM
6:40 AM - 8:10 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Moderate or heavy snow showers
37.2°F
27.1°F
31.6°F
73%
0.17 in
67%
10%
5.4 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 13.49 μg/m3
PM10: 14.06 μg/m3
Carbon Monoxide: 273.89 μg/m3
Nitrogen Dioxide: 28.3 μg/m3
Sulphur Dioxide: 4.03 μg/m3
Ozone: 57.88 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 11:58 AM
Sunset: 5:22 PM
Daylight: 10 hrs 46 mins
Moonrise: 7:31 AM
Moon Transit: 4:07 PM
Moonset: 8:04 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

3:23 AM - 5:53 AM
3:37 PM - 6:07 PM

Minor Periods

7:34 PM - 9:04 PM
7:01 AM - 8:31 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Mist
33.3°F
21.9°F
28.8°F
93%
0.91 in
87%
23%
7.6 mph
0.3


Air Quality

AQI: 2 - Moderate
PM2.5: 26.57 μg/m3
PM10: 27.77 μg/m3
Carbon Monoxide: 407.29 μg/m3
Nitrogen Dioxide: 55.75 μg/m3
Sulphur Dioxide: 5.49 μg/m3
Ozone: 24.4 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 11:58 AM
Sunset: 5:24 PM
Daylight: 10 hrs 49 mins
Moonrise: 7:52 AM
Moon Transit: 2:27 PM
Moonset: 9:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:57 PM - 4:27 PM

Minor Periods

8:47 PM - 10:17 PM
7:22 AM - 8:52 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Patchy rain nearby
40°F
27.4°F
33.5°F
92%
0.55 in
80%
18%
9.2 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.51 μg/m3
PM10: 8.89 μg/m3
Carbon Monoxide: 248.58 μg/m3
Nitrogen Dioxide: 15.57 μg/m3
Sulphur Dioxide: 3.3 μg/m3
Ozone: 75.72 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 11:58 AM
Sunset: 5:25 PM
Daylight: 10 hrs 52 mins
Moonrise: 8:15 AM
Moon Transit: 3:16 PM
Moonset: 10:33 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

4:56 AM - 7:26 AM
2:46 PM - 5:16 PM

Minor Periods

10:03 PM - 11:33 PM
7:45 AM - 9:15 AM

Action Rating: 3 out of 5

Sunday, February 22, 2026

Weather Forecast

Moderate or heavy snow showers
34.7°F
21°F
27.6°F
86%
0.06 in
70%
31%
12.1 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 36.61 μg/m3
PM10: 37.73 μg/m3
Carbon Monoxide: 667.98 μg/m3
Nitrogen Dioxide: 70.09 μg/m3
Sulphur Dioxide: 7.25 μg/m3
Ozone: 11.31 μg/m3

Astronomical

Sunrise: 6:32 AM
Sun Transit: 11:58 AM
Sunset: 5:26 PM
Daylight: 10 hrs 54 mins
Moonrise: 8:42 AM
Moon Transit: 4:08 PM
Moonset: 11:50 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

5:47 AM - 8:17 AM
3:38 PM - 6:08 PM

Minor Periods

12:00 AM - 12:00 AM
8:12 AM - 9:42 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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