Water Temperature of Stony Brook in Waltham, MA
Current Water Temperature
Measurement Time: Tuesday, January 6, 2026, 12:00 PM EST
Temperature Locations
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Local Points of Interest
Cambridge Reservoir (Hobbs Brook Basin)Station Name: HOBBS BK BELOW CAMBRIDGE RES NR KENDALL GREEN, MA
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 167 feet
Nearest Address:
Winter St
Waltham, MA 02451
Middlesex County
GPS Coordinates: 42.3981512, -71.2733903
Nearby Water Temperatures
Stony Brook, Weston, MA (1.2 mi)Cambridge Reservoir, Lincoln, MA (1.6 mi)
Cambridge Reservoir Tributary 3, Waltham, MA (1.7 mi)
Stony Brook Tributary, Waltham, MA (1.8 mi)
Stony Brook Tributary, Weston, MA (1.9 mi)
Stony Brook, Weston, MA (2 mi)
Hobbs Brook, Lincoln, MA (2.7 mi)
Cambridge Reservoir Tributary 1, Lexington, MA (2.7 mi)
Cambridge Reservoir Tributary 2, Lexington, MA (2.7 mi)
Stony Brook Reservoir Tributary, Weston, MA (3 mi)
Shawsheen River, Bedford, MA (4.8 mi)
Fresh Pond, Cambridge, MA (6.6 mi)
Nashua River, Clinton, MA (20.1 mi)
Gates Brook, West Boylston, MA (25.7 mi)
Stillwater River, Sterling, MA (26.4 mi)
Weather for Waltham, Massachusetts
Current Weather

Five Day Weather Forecast

Tue
H: 38°F
L: 24°F

Wed
H: 37°F
L: 30°F

Thu
H: 43°F
L: 31°F

Fri
H: 48°F
L: 31°F

Sat
H: 53°F
L: 42°F
Air Quality
Nitrogen Dioxide: 46.25 μg/m3
Sulphur Dioxide: 5.25 μg/m3
Ozone: 19 μg/m3
Astronomical
Sun Transit: 11:51 AM
Sunset: 4:28 PM
Daylight: 9 hrs 14 mins
Moon Transit: 2:31 AM
Moonset: 9:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%
Best Times for Fishing or Hunting
Major Periods
2:01 AM - 4:31 AM5:00 PM - 7:30 PM
Minor Periods
7:59 PM - 9:29 PM9:02 AM - 10:32 AM
Action Rating: 2 out of 5
Winter Weather Advisory issued January 6 at 12:22AM EST until January 7 at 10:00AM EST by NWS Boston/Norton MA
Effective: Tue January 6, 2026, 12:22 AM
Expires: Tue January 6, 2026, 3:00 PM
* WHAT...Freezing rain expected. Most locations along the I-95 corridor experience a light glace of ice, though locations across interior southern New England may see ice accumulation between 0.1" and 0.2". * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 7 PM this evening to 10 AM EST Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Difficult travel conditions are possible. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes.
Slow down and use caution while traveling. Prepare for possible power outages.
Winter Weather Advisory issued January 6 at 1:04PM EST until January 7 at 10:00AM EST by NWS Boston/Norton MA
Effective: Tue January 6, 2026, 1:04 PM
Expires: Wed January 7, 2026, 2:15 AM
* WHAT...Mixed precipitation expected. Total snow accumulations up to one inch and ice accumulations up to two tenths of an inch. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 7 PM this evening to 10 AM EST Wednesday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes.
Slow down and use caution while traveling.
Winter Weather Advisory issued January 5 at 11:42PM EST until January 7 at 10:00AM EST by NWS Gray ME
Effective: Mon January 5, 2026, 11:42 PM
Expires: Tue January 6, 2026, 1:45 PM
...A PERIOD OF SNOW AND MIXED PRECIP IMPACT THE REGION TUESDAY NIGHT INTO WEDNESDAY... * WHAT...Mixed precipitation expected. Total snow accumulations up to two inches, sleet accumulations up to one tenth of an inch, and ice accumulations up to two tenths of an inch. * WHERE...Portions of south central and southwest Maine and central, northern, and southern New Hampshire. * WHEN...From 7 PM Tuesday to 10 AM EST Wednesday. * IMPACTS...Light snowfall accumulations are expected as periods of snow impact the region. Be prepared for variable travel conditions and slow down when you approach areas of heavier snowfall as road conditions could change rapidly. A period of mixed precipitation is expected with air temperatures remaining below freezing. Expect slippery road conditions and avoid travel if possible. Even light snowfall amounts can accumulate on roads and cause dangerous driving conditions due to snow covered roads. The hazardous conditions could impact the Wednesday morning commute.
Slow down and use caution while traveling. The latest road conditions can be obtained by going to newengland511.org
Winter Weather Advisory issued January 6 at 12:27PM EST until January 7 at 10:00AM EST by NWS Gray ME
Effective: Tue January 6, 2026, 12:27 PM
Expires: Wed January 7, 2026, 10:00 AM
...A PERIOD OF SNOW AND MIXED PRECIP IMPACTS THE REGION THIS EVENING INTO WEDNESDAY... * WHAT...Mixed precipitation expected. Total snow accumulations up to two inches, sleet accumulations up to one tenth of an inch, and ice accumulations around one tenth of an inch. Localized ice amounts up to two tenths of an inch possible in southern NH. * WHERE...Portions of south central and southwest Maine and central, northern, and southern New Hampshire. * WHEN...From 7 PM this evening to 10 AM EST Wednesday. * IMPACTS...Light snowfall accumulations are expected as periods of snow impact the region. Be prepared for variable travel conditions and slow down when you approach areas of heavier snowfall as road conditions could change rapidly. A period of mixed precipitation is also expected with air temperatures remaining below freezing. Expect slippery road conditions and avoid travel if possible. Even light snowfall amounts can accumulate on roads and cause dangerous driving conditions due to snow covered roads. The hazardous conditions could impact the Wednesday morning commute.
Slow down and use caution while traveling. The latest road conditions can be obtained by going to newengland511.org
Weather Forecast
Air Quality
Nitrogen Dioxide: 43.1 μg/m3
Sulphur Dioxide: 6.24 μg/m3
Ozone: 20.32 μg/m3
Astronomical
Sun Transit: 11:51 AM
Sunset: 4:28 PM
Daylight: 9 hrs 14 mins
Moon Transit: 2:31 AM
Moonset: 9:32 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.1%
Best Times for Fishing or Hunting
Major Periods
2:01 AM - 4:31 AM5:00 PM - 7:30 PM
Minor Periods
7:59 PM - 9:29 PM9:02 AM - 10:32 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 34.73 μg/m3
Sulphur Dioxide: 4.96 μg/m3
Ozone: 26.24 μg/m3
Astronomical
Sun Transit: 11:51 AM
Sunset: 4:29 PM
Daylight: 9 hrs 15 mins
Moon Transit: 3:18 AM
Moonset: 9:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 78.6%
Best Times for Fishing or Hunting
Major Periods
2:48 AM - 5:18 AM5:45 PM - 8:15 PM
Minor Periods
9:08 PM - 10:38 PM9:25 AM - 10:55 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 23.61 μg/m3
Sulphur Dioxide: 5.03 μg/m3
Ozone: 33.12 μg/m3
Astronomical
Sun Transit: 11:51 AM
Sunset: 4:30 PM
Daylight: 9 hrs 16 mins
Moon Transit: 4:02 AM
Moonset: 10:15 AM
Moon Phase: Waning Gibbous
Moon Illumination: 68.7%
Best Times for Fishing or Hunting
Major Periods
3:32 AM - 6:02 AM6:27 PM - 8:57 PM
Minor Periods
10:14 PM - 11:44 PM9:45 AM - 11:15 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 39.41 μg/m3
Sulphur Dioxide: 6.05 μg/m3
Ozone: 18.52 μg/m3
Astronomical
Sun Transit: 11:52 AM
Sunset: 4:31 PM
Daylight: 9 hrs 18 mins
Moon Transit: 4:44 AM
Moonset: 10:34 AM
Moon Phase: Waning Gibbous
Moon Illumination: 57.8%
Best Times for Fishing or Hunting
Major Periods
4:14 AM - 6:44 AM7:09 PM - 9:39 PM
Minor Periods
12:00 AM - 12:00 AM10:04 AM - 11:34 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 19.65 μg/m3
Sulphur Dioxide: 4.76 μg/m3
Ozone: 48.38 μg/m3
Astronomical
Sun Transit: 11:52 AM
Sunset: 4:32 PM
Daylight: 9 hrs 19 mins
Moon Transit: 5:25 AM
Moonset: 10:53 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%
Best Times for Fishing or Hunting
Major Periods
4:55 AM - 7:25 AM7:50 PM - 10:20 PM
Minor Periods
10:23 AM - 11:53 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
