Water Temperature of Cambridge Reservoir Tributary 3 in Waltham, MA
Current Water Temperature
Measurement Time: Monday, December 1, 2025, 4:30 PM EST
Temperature Locations
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Local Points of Interest
Hobbs Brook BasinSponsored Content
Station Name: CAMBRIDGE RES., UNNAMED TRIB 3, NR LEXINGTON, MA
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 197 feet / 60 meters
Nearest Address:
170 Data Dr
Waltham, MA 02451
Middlesex County
GPS Coordinates: 42.4198177, -71.2575565
Nearby Water Temperatures
Cambridge Reservoir, Lincoln, MA (0.7 mi)Cambridge Reservoir Tributary 2, Lexington, MA (1.1 mi)
Cambridge Reservoir Tributary 1, Lexington, MA (1.2 mi)
Hobbs Brook, Lincoln, MA (1.3 mi)
Stony Brook, Waltham, MA (1.7 mi)
Stony Brook, Weston, MA (2.9 mi)
Stony Brook Tributary, Waltham, MA (3.3 mi)
Shawsheen River, Bedford, MA (3.3 mi)
Stony Brook Tributary, Weston, MA (3.5 mi)
Stony Brook, Weston, MA (3.6 mi)
Stony Brook Reservoir Tributary, Weston, MA (4.5 mi)
Fresh Pond, Cambridge, MA (6.2 mi)
Nashua River, Clinton, MA (20.8 mi)
Gates Brook, West Boylston, MA (26.7 mi)
Stillwater River, Sterling, MA (27.2 mi)
Weather for Waltham, Massachusetts
Current Weather

Humidity: 65%
Feels Like: 19.8°F
Wind: NNW 3.4 mph
Wind Gusts: 5.8 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Mon
H: 39°F
L: 27°F

Tue
H: 45°F
L: 26°F

Wed
H: 38°F
L: 27°F

Thu
H: 38°F
L: 16°F

Fri
H: 22°F
L: 10°F
Air Quality
Nitrogen Dioxide: 35.05 μg/m3
Sulphur Dioxide: 5.35 μg/m3
Ozone: 31 μg/m3
Astronomical
Sun Transit: 11:34 AM
Sunset: 4:13 PM
Daylight: 9 hrs 18 mins
Moon Transit: 8:43 PM
Moonset: 2:41 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%
Best Times for Fishing or Hunting
Major Periods
10:22 AM - 12:52 AM8:13 PM - 10:43 PM
Minor Periods
1:12 PM - 2:42 PM2:11 AM - 3:41 AM
Action Rating: 2 out of 5
Winter Storm Warning issued December 1 at 12:35PM EST until December 3 at 7:00AM EST by NWS Boston/Norton MA
Effective: Mon December 1, 2025, 12:35 PM
Expires: Tue December 2, 2025, 7:00 AM
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 9 inches. * WHERE...Eastern Franklin County, Northern Worcester County and Northwest Middlesex Counties in Massachusetts. * WHEN...From 7 AM Tuesday to 7 AM EST Wednesday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. Significant accumulation of wet, dense snow weighing on trees and powerlines could cause them to be downed.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency.
Winter Weather Advisory issued December 1 at 12:35PM EST until December 3 at 7:00AM EST by NWS Boston/Norton MA
Effective: Mon December 1, 2025, 12:35 PM
Expires: Tue December 2, 2025, 7:00 AM
* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. * WHERE...Central Middlesex MA and Western Essex MA Counties. * WHEN...From 4 PM Tuesday to 7 AM EST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening commute.
Slow down and use caution while traveling.
Winter Weather Advisory issued December 1 at 12:35PM EST until December 3 at 7:00AM EST by NWS Boston/Norton MA
Effective: Mon December 1, 2025, 12:35 PM
Expires: Tue December 2, 2025, 7:00 AM
* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. * WHERE...Southern Worcester MA, Eastern Hampden MA, and Eastern Hampshire MA Counties. * WHEN...From 7 AM Tuesday to 7 AM EST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning and evening commutes.
Slow down and use caution while traveling.
Winter Storm Warning issued December 1 at 12:36PM EST until December 3 at 4:00AM EST by NWS Gray ME
Effective: Mon December 1, 2025, 12:36 PM
Expires: Tue December 2, 2025, 12:45 AM
* WHAT...Heavy snow expected. Total snow accumulations between 6 and 9 inches. * WHERE...Portions of south central, southwest, and western Maine and central, northern, and southern New Hampshire. * WHEN...From 8 AM Tuesday to 4 AM EST Wednesday. * IMPACTS...A snowstorm will bring plowable snow to the region with a period of moderate travel impacts expected. Periods of moderate snow and low visibility will be the biggest hazards. The potential exists for snowbands that will bring periods of locally heavy snowfall, which will lead to rapid snow accumulations and extremely dangerous travel conditions. Periods of moderate and heavy snow will combine with low visibility to create dangerous driving conditions. The hazardous conditions could impact the Tuesday morning and evening commutes.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by going to newengland511.org 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 December 1 at 12:36PM EST until December 3 at 4:00AM EST by NWS Gray ME
Effective: Mon December 1, 2025, 12:36 PM
Expires: Tue December 2, 2025, 12:45 AM
* WHAT...Heavy snow expected. Total snow accumulations between 4 and 7 inches. * WHERE...Portions of south central and southwest Maine and southern New Hampshire. * WHEN...From 8 AM Tuesday to 4 AM EST Wednesday. * IMPACTS...A snowstorm will bring plowable snow to the region with a period of moderate travel impacts expected. Periods of moderate snow and low visibility will be the biggest hazards. Heavy wet snow may cause weighted tree limbs, leading to snapped branches. Isolated outages possible. Periods of moderate and heavy snow will combine with low visibility to create dangerous driving conditions. The hazardous conditions could impact the Tuesday morning and evening commutes. * ADDITIONAL DETAILS...It is possible that snow may mix with or change to rain for a period of time Tuesday, especially close to the immediate coast. However this is the first significant snowfall threat of the season and hazardous travel is anticipated no matter what the snowfall totals end up being.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions can be obtained by going to newengland511.org 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.
Weather Forecast
Average Temperature: 35.6°F
Average Humidity: 70%
Wind: 12.5 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 15.05 μg/m3
Sulphur Dioxide: 4.09 μg/m3
Ozone: 57.44 μg/m3
Astronomical
Sun Transit: 11:34 AM
Sunset: 4:13 PM
Daylight: 9 hrs 18 mins
Moon Transit: 8:43 PM
Moonset: 2:41 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%
Best Times for Fishing or Hunting
Major Periods
10:22 AM - 12:52 AM8:13 PM - 10:43 PM
Minor Periods
1:12 PM - 2:42 PM2:11 AM - 3:41 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 35.1°F
Average Humidity: 87%
Wind: 12.5 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 45.34 μg/m3
Sulphur Dioxide: 6.01 μg/m3
Ozone: 23.28 μg/m3
Astronomical
Sun Transit: 11:34 AM
Sunset: 4:13 PM
Daylight: 9 hrs 17 mins
Moon Transit: 9:39 PM
Moonset: 4:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%
Best Times for Fishing or Hunting
Major Periods
11:16 AM - 1:46 PM9:09 PM - 11:39 PM
Minor Periods
1:41 PM - 3:11 PM3:31 AM - 5:01 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 32.7°F
Average Humidity: 74%
Wind: 12.8 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 22.97 μg/m3
Sulphur Dioxide: 3.35 μg/m3
Ozone: 57.28 μg/m3
Astronomical
Sun Transit: 11:35 AM
Sunset: 4:13 PM
Daylight: 9 hrs 16 mins
Moon Transit: 10:41 PM
Moonset: 5:24 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.1%
Best Times for Fishing or Hunting
Major Periods
12:16 AM - 2:46 PM12:00 AM - 12:00 AM
Minor Periods
2:18 PM - 3:48 PM4:54 AM - 6:24 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 30.9°F
Average Humidity: 81%
Wind: 15.4 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 31.42 μg/m3
Sulphur Dioxide: 6.36 μg/m3
Ozone: 46.4 μg/m3
Astronomical
Sun Transit: 11:35 AM
Sunset: 4:13 PM
Daylight: 9 hrs 14 mins
Moon Transit: 11:47 PM
Moonset: 6:48 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
1:20 PM - 3:50 PM12:00 AM - 12:00 AM
Minor Periods
3:05 PM - 4:35 PM6:18 AM - 7:48 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 14.7°F
Average Humidity: 62%
Wind: 13.9 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 6.58 μg/m3
Sulphur Dioxide: 1.83 μg/m3
Ozone: 74.62 μg/m3
Astronomical
Sun Transit: 11:35 AM
Sunset: 4:12 PM
Daylight: 9 hrs 13 mins
Moon Transit: 12:00 AM
Moonset: 8:06 AM
Moon Phase: Full
Moon Illumination: 99.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:28 PM - 4:58 PM
Minor Periods
4:06 PM - 5:36 PM7:36 AM - 9:06 AM
Action Rating: 4 out of 5
