Water Temperature of Stony Brook in Waltham, MA

Current Water Temperature

74.8°F

Measurement Time: Friday, September 4, 2026, 5:20 PM EDT

Temperature Locations

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Local Points of Interest

Cambridge Reservoir (Hobbs Brook Basin)

Stony Brook

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

70°F
Mostly Clear
Mostly Clear
73%
W 5 mph
61°F

Weather Forecast

Mostly Clear
Tonight
61°F - Mostly Clear
Mostly Sunny then Chance Rain Showers
Saturday
72°F - Mostly Sunny then Chance Rain Showers
Chance Rain Showers then Partly Cloudy
Saturday Night
56°F - Chance Rain Showers then Partly Cloudy
Sunny
Sunday
70°F - Sunny
Mostly Clear
Sunday Night
50°F - Mostly Clear
Sunny
Labor Day
76°F - Sunny
Mostly Clear
Monday Night
58°F - Mostly Clear
Mostly Sunny
Tuesday
78°F - Mostly Sunny
Mostly Cloudy
Tuesday Night
57°F - Mostly Cloudy
Partly Sunny
Wednesday
76°F - Partly Sunny
Chance Rain Showers
Wednesday Night
65°F - Chance Rain Showers
Slight Chance Rain Showers
Thursday
80°F - Slight Chance Rain Showers
Slight Chance Rain Showers then Partly Cloudy
Thursday Night
58°F - Slight Chance Rain Showers then Partly Cloudy
Mostly Sunny
Friday
71°F - Mostly Sunny

Astronomical

Sunrise: 6:14 AM
Sun Transit: 12:44 AM
Sunset: 7:14 PM
Daylight: 13 hrs mins
Moonrise: 11:22 PM
Moon Transit: 6:36 AM
Moonset: 2:51 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
9:13 PM - 11:43 PM

Minor Periods

12:00 AM - 12:00 AM
2:21 PM - 3:51 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:14 AM
Sun Transit: 12:44 AM
Sunset: 7:14 PM
Daylight: 13 hrs mins
Moonrise: 11:22 PM
Moon Transit: 6:36 AM
Moonset: 2:51 PM
Moon Phase: Last Quarter
Moon Illumination: 38.0%

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
9:13 PM - 11:43 PM

Minor Periods

12:00 AM - 12:00 AM
2:21 PM - 3:51 PM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:15 AM
Sun Transit: 12:43 AM
Sunset: 7:12 PM
Daylight: 12 hrs 57 mins
Moonrise: 12:22 AM
Moon Transit: 7:38 AM
Moonset: 3:54 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
12:00 AM - 12:00 AM

Minor Periods

3:24 PM - 4:54 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:15 AM
Sun Transit: 12:43 AM
Sunset: 7:12 PM
Daylight: 12 hrs 57 mins
Moonrise: 12:22 AM
Moon Transit: 7:38 AM
Moonset: 3:54 PM
Moon Phase: Last Quarter
Moon Illumination: 27.4%

Best Times for Fishing or Hunting

Major Periods

7:08 AM - 9:38 AM
12:00 AM - 12:00 AM

Minor Periods

3:24 PM - 4:54 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:16 AM
Sun Transit: 12:43 AM
Sunset: 7:10 PM
Daylight: 12 hrs 55 mins
Moonrise: 12:30 AM
Moon Transit: 8:41 AM
Moonset: 4:45 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:11 AM - 10:41 AM
12:00 AM - 12:00 AM

Minor Periods

4:15 PM - 5:45 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:16 AM
Sun Transit: 12:43 AM
Sunset: 7:10 PM
Daylight: 12 hrs 55 mins
Moonrise: 12:30 AM
Moon Transit: 8:41 AM
Moonset: 4:45 PM
Moon Phase: Last Quarter
Moon Illumination: 18.0%

Best Times for Fishing or Hunting

Major Periods

8:11 AM - 10:41 AM
12:00 AM - 12:00 AM

Minor Periods

4:15 PM - 5:45 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:17 AM
Sun Transit: 12:43 AM
Sunset: 7:09 PM
Daylight: 12 hrs 52 mins
Moonrise: 1:45 AM
Moon Transit: 9:41 AM
Moonset: 5:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

4:55 PM - 6:25 PM
1:15 AM - 2:45 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:17 AM
Sun Transit: 12:43 AM
Sunset: 7:09 PM
Daylight: 12 hrs 52 mins
Moonrise: 1:45 AM
Moon Transit: 9:41 AM
Moonset: 5:25 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.1%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

4:55 PM - 6:25 PM
1:15 AM - 2:45 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:18 AM
Sun Transit: 12:42 AM
Sunset: 7:07 PM
Daylight: 12 hrs 49 mins
Moonrise: 3:04 AM
Moon Transit: 10:37 AM
Moonset: 5:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:15 AM - 2:45 AM
10:07 AM - 12:37 AM

Minor Periods

5:26 PM - 6:56 PM
2:34 AM - 4:04 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:18 AM
Sun Transit: 12:42 AM
Sunset: 7:07 PM
Daylight: 12 hrs 49 mins
Moonrise: 3:04 AM
Moon Transit: 10:37 AM
Moonset: 5:56 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.4%

Best Times for Fishing or Hunting

Major Periods

12:15 AM - 2:45 AM
10:07 AM - 12:37 AM

Minor Periods

5:26 PM - 6:56 PM
2:34 AM - 4:04 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:19 AM
Sun Transit: 12:42 AM
Sunset: 7:05 PM
Daylight: 12 hrs 46 mins
Moonrise: 4:22 AM
Moon Transit: 11:29 AM
Moonset: 6:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

1:09 AM - 3:39 AM
10:59 AM - 1:29 PM

Minor Periods

5:53 PM - 7:23 PM
3:52 AM - 5:22 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:19 AM
Sun Transit: 12:42 AM
Sunset: 7:05 PM
Daylight: 12 hrs 46 mins
Moonrise: 4:22 AM
Moon Transit: 11:29 AM
Moonset: 6:23 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.9%

Best Times for Fishing or Hunting

Major Periods

1:09 AM - 3:39 AM
10:59 AM - 1:29 PM

Minor Periods

5:53 PM - 7:23 PM
3:52 AM - 5:22 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:20 AM
Sun Transit: 12:42 AM
Sunset: 7:03 PM
Daylight: 12 hrs 43 mins
Moonrise: 5:37 AM
Moon Transit: 12:18 AM
Moonset: 6:46 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:59 AM - 4:29 AM
11:48 AM - 2:18 PM

Minor Periods

6:16 PM - 7:46 PM
5:07 AM - 6:37 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:20 AM
Sun Transit: 12:42 AM
Sunset: 7:03 PM
Daylight: 12 hrs 43 mins
Moonrise: 5:37 AM
Moon Transit: 12:18 AM
Moonset: 6:46 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:59 AM - 4:29 AM
11:48 AM - 2:18 PM

Minor Periods

6:16 PM - 7:46 PM
5:07 AM - 6:37 AM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:21 AM
Sun Transit: 12:41 AM
Sunset: 7:02 PM
Daylight: 12 hrs 41 mins
Moonrise: 6:50 AM
Moon Transit: 1:04 PM
Moonset: 7:07 PM
Moon Phase: New
Moon Illumination: 1.7%

Best Times for Fishing or Hunting

Major Periods

2:46 AM - 5:16 AM
12:34 AM - 3:04 PM

Minor Periods

6:37 PM - 8:07 PM
6:20 AM - 7:50 AM

Action Rating: 5 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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