Water Temperature of Cambridge Reservoir Tributary 1 in Lexington, MA

Current Water Temperature

32.9°F

Measurement Time: Friday, January 23, 2026, 12:30 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

26.1°F
Overcast
Overcast
13.9°F
24.4°F
42%
W 15 mph
20.7 mph
12.4°F
12.4°F
0 in
0%
9 mi
1017 mbar
0

Five Day Weather Forecast

Sunny
Fri
H: 34°F
L: 13°F
Partly Cloudy
Sat
H: 18°F
L: 1°F
Moderate or heavy snow showers
Sun
H: 16°F
L: 8°F
Heavy snow
Mon
H: 20°F
L: 14°F
Partly Cloudy
Tue
H: 20°F
L: 2°F

Air Quality

AQI: 1 - Good
PM2.5: 3.55 μg/m3
PM10: 3.85 μg/m3
Carbon Monoxide: 171.85 μg/m3
Nitrogen Dioxide: 8.25 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 11:56 AM
Sunset: 4:48 PM
Daylight: 9 hrs 41 mins
Moonrise: 9:26 AM
Moon Transit: 9:54 AM
Moonset: 10:15 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
9:24 AM - 11:54 AM

Minor Periods

9:45 PM - 11:15 PM
8:56 AM - 10:26 AM

Action Rating: 2 out of 5

Cold Weather Advisory issued January 23 at 3:34AM EST until January 24 at 10:00AM EST by NWS Boston/Norton MA

Effective: Fri January 23, 2026, 3:34 AM
Expires: Fri January 23, 2026, 4:45 PM

* WHAT...Very cold wind chills as low as 20 below expected in much of southern New England. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern and southern Rhode Island. * WHEN...From 10 PM this evening to 10 AM EST Saturday. * IMPACTS...The dangerously cold wind chills as low as 20 below zero could cause frostbite on exposed skin in as little as 30 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Winter Storm Watch issued January 23 at 3:33AM EST until January 26 at 7:00PM EST by NWS Boston/Norton MA

Effective: Fri January 23, 2026, 3:33 AM
Expires: Fri January 23, 2026, 4:45 PM

* WHAT...Heavy snow possible. Total snow accumulations between 8 and 15 inches possible. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern and southern Rhode Island. * WHEN...From Sunday morning through Monday evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. The hazardous conditions could impact the Monday morning and evening commutes.

Monitor the latest forecasts for updates on this situation. Persons should delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order.


Winter Storm Warning issued January 23 at 12:28PM EST until January 26 at 8:00PM EST by NWS Boston/Norton MA

Effective: Fri January 23, 2026, 12:28 PM
Expires: Sat January 24, 2026, 7:00 AM

* WHAT...Heavy snow expected. Total snow accumulations between 12 and 17 inches. Winds gusting as high as 30 mph. * WHERE...Much of Southern New England excluding Martha's Vineyard, Nantucket and Block Island. * WHEN...From 7 AM Sunday to 8 PM EST Monday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible, especially if traveling overnight into the Monday morning commute. The hazardous conditions could impact the Monday morning and evening commutes.

If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. Persons should consider delaying all travel. Motorists should use extreme caution if travel is absolutely necessary.


Cold Weather Advisory issued January 23 at 11:04AM EST until January 24 at 10:00AM EST by NWS Boston/Norton MA

Effective: Fri January 23, 2026, 11:04 AM
Expires: Sat January 24, 2026, 3:15 AM

* WHAT...Very cold wind chills as low as 15 below zero expected. * WHERE...Much of southern New England. * WHEN...From 10 PM this evening to 10 AM EST Saturday. * IMPACTS...Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued January 23 at 12:26PM EST until January 24 at 10:00AM EST by NWS Gray ME

Effective: Fri January 23, 2026, 12:26 PM
Expires: Sat January 24, 2026, 12:30 AM

* WHAT...Very cold wind chills as low as 25-30 below expected. * WHERE...Portions of south central and southwest Maine and central and southern New Hampshire. * WHEN...From 1 AM to 10 AM EST Saturday. * IMPACTS...The cold wind chills as low as 25-30 below zero could cause frostbite on exposed skin in as little as 30 minutes. Frostbite and hypothermia will occur if unprotected skin is exposed to these temperatures.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Winter Storm Watch issued January 23 at 12:24PM EST until January 26 at 7:00PM EST by NWS Gray ME

Effective: Fri January 23, 2026, 12:24 PM
Expires: Sat January 24, 2026, 12:30 AM

* WHAT...Heavy snow possible. Total snow accumulations greater than 12 inches possible. * WHERE...Portions of southwest Maine and central, northern, and southern New Hampshire. * WHEN...From Sunday afternoon through Monday evening. * IMPACTS...Significant snowfall and periods of heavy snowfall rates will combine with low visibility to create very dangerous driving conditions. The hazardous conditions could impact the Monday morning and evening commutes.

Monitor the latest forecasts for updates on this situation. Persons should delay all travel if possible. If travel is absolutely necessary, drive with extreme caution and be prepared for sudden changes in visibility. Leave plenty of room between you and the motorist ahead of you, and allow extra time to reach your destination. Avoid sudden braking or acceleration, and be especially cautious on hills or when making turns. Make sure your car is winterized and in good working order.


Friday, January 23, 2026

Weather Forecast

Sunny
34°F
13.3°F
24.6°F
52%
0 in
0%
0%
15 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 9.01 μg/m3
PM10: 9.19 μg/m3
Carbon Monoxide: 216.85 μg/m3
Nitrogen Dioxide: 21.41 μg/m3
Sulphur Dioxide: 3.24 μg/m3
Ozone: 55.4 μg/m3

Astronomical

Sunrise: 7:07 AM
Sun Transit: 11:56 AM
Sunset: 4:48 PM
Daylight: 9 hrs 41 mins
Moonrise: 9:26 AM
Moon Transit: 9:54 AM
Moonset: 10:15 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
9:24 AM - 11:54 AM

Minor Periods

9:45 PM - 11:15 PM
8:56 AM - 10:26 AM

Action Rating: 2 out of 5

Saturday, January 24, 2026

Weather Forecast

Partly Cloudy
17.6°F
1°F
9.5°F
40%
0 in
0%
0%
14.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.77 μg/m3
PM10: 3.97 μg/m3
Carbon Monoxide: 178.09 μg/m3
Nitrogen Dioxide: 9.37 μg/m3
Sulphur Dioxide: 2.26 μg/m3
Ozone: 64.44 μg/m3

Astronomical

Sunrise: 7:06 AM
Sun Transit: 11:57 AM
Sunset: 4:49 PM
Daylight: 9 hrs 43 mins
Moonrise: 9:47 AM
Moon Transit: 4:30 PM
Moonset: 11:27 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%

Best Times for Fishing or Hunting

Major Periods

6:11 AM - 8:41 AM
4:00 PM - 6:30 PM

Minor Periods

12:00 AM - 12:00 AM
9:17 AM - 10:47 AM

Action Rating: 2 out of 5

Sunday, January 25, 2026

Weather Forecast

Moderate or heavy snow showers
15.7°F
8.1°F
11.7°F
65%
1.71 in
70%
26%
11 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 7.14 μg/m3
PM10: 7.45 μg/m3
Carbon Monoxide: 218.05 μg/m3
Nitrogen Dioxide: 22.15 μg/m3
Sulphur Dioxide: 3.53 μg/m3
Ozone: 50.4 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 11:57 AM
Sunset: 4:50 PM
Daylight: 9 hrs 45 mins
Moonrise: 10:11 AM
Moon Transit: 5:19 PM
Moonset: 12:27 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%

Best Times for Fishing or Hunting

Major Periods

6:59 AM - 9:29 AM
4:49 PM - 7:19 PM

Minor Periods

9:41 AM - 11:11 AM
12:00 AM - 12:00 AM

Action Rating: 4 out of 5

Monday, January 26, 2026

Weather Forecast

Heavy snow
20.3°F
13.8°F
18.6°F
89%
2.1 in
78%
60%
14.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.21 μg/m3
PM10: 8.06 μg/m3
Carbon Monoxide: 191.04 μg/m3
Nitrogen Dioxide: 14.26 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 63.84 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 11:57 AM
Sunset: 4:51 PM
Daylight: 9 hrs 47 mins
Moonrise: 10:39 AM
Moon Transit: 6:12 PM
Moonset: 12:43 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%

Best Times for Fishing or Hunting

Major Periods

7:50 AM - 10:20 AM
5:42 PM - 8:12 PM

Minor Periods

10:09 AM - 11:39 AM
12:13 AM - 1:43 AM

Action Rating: 2 out of 5

Tuesday, January 27, 2026

Weather Forecast

Partly Cloudy
19.9°F
2.1°F
10°F
84%
0 in
0%
9%
11.9 mph
2


Air Quality

AQI: 1 - Good
PM2.5: 4.26 μg/m3
PM10: 4.89 μg/m3
Carbon Monoxide: 187.4 μg/m3
Nitrogen Dioxide: 10 μg/m3
Sulphur Dioxide: 2.33 μg/m3
Ozone: 66.23 μg/m3

Astronomical

Sunrise: 7:04 AM
Sun Transit: 11:57 AM
Sunset: 4:53 PM
Daylight: 9 hrs 49 mins
Moonrise: 11:14 AM
Moon Transit: 7:10 PM
Moonset: 2:01 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
6:40 PM - 9:10 PM

Minor Periods

10:44 AM - 12:14 AM
1:31 AM - 3:01 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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