Water Temperature of Stony Brook in Waltham, MA

Current Water Temperature

32.0°F

Measurement Time: Thursday, September 10, 2026, 9:00 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

63°F
Mostly Clear
Mostly Clear
70%
W 6 mph
53°F

Weather Forecast

Partly Cloudy
Overnight
55°F - Partly Cloudy
Sunny
Friday
77°F - Sunny
Clear
Friday Night
48°F - Clear
Sunny
Saturday
76°F - Sunny
Mostly Cloudy then Patchy Fog
Saturday Night
62°F - Mostly Cloudy then Patchy Fog
Patchy Fog
Sunday
78°F - Patchy Fog
Slight Chance Rain Showers then Partly Cloudy
Sunday Night
62°F - Slight Chance Rain Showers then Partly Cloudy
Mostly Sunny
Monday
75°F - Mostly Sunny
Mostly Clear
Monday Night
52°F - Mostly Clear
Sunny
Tuesday
73°F - Sunny
Partly Cloudy
Tuesday Night
59°F - Partly Cloudy
Mostly Sunny then Slight Chance Rain Showers
Wednesday
81°F - Mostly Sunny then Slight Chance Rain Showers
Chance Rain Showers
Wednesday Night
62°F - Chance Rain Showers
Chance Rain Showers
Thursday
76°F - Chance Rain Showers

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

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

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

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

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: 6:22 AM
Sun Transit: 12:41 AM
Sunset: 7:00 PM
Daylight: 12 hrs 38 mins
Moonrise: 8:00 AM
Moon Transit: 1:49 PM
Moonset: 7:27 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
1:19 PM - 3:49 PM

Minor Periods

6:57 PM - 8:27 PM
7:30 AM - 9:00 AM

Action Rating: 5 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: 6:22 AM
Sun Transit: 12:41 AM
Sunset: 7:00 PM
Daylight: 12 hrs 38 mins
Moonrise: 8:00 AM
Moon Transit: 1:49 PM
Moonset: 7:27 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
1:19 PM - 3:49 PM

Minor Periods

6:57 PM - 8:27 PM
7:30 AM - 9:00 AM

Action Rating: 5 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: 6:23 AM
Sun Transit: 12:40 AM
Sunset: 6:58 PM
Daylight: 12 hrs 35 mins
Moonrise: 9:09 AM
Moon Transit: 2:34 PM
Moonset: 7:50 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

4:16 AM - 6:46 AM
2:04 PM - 4:34 PM

Minor Periods

7:20 PM - 8:50 PM
8:39 AM - 10:09 AM

Action Rating: 5 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: 6:23 AM
Sun Transit: 12:40 AM
Sunset: 6:58 PM
Daylight: 12 hrs 35 mins
Moonrise: 9:09 AM
Moon Transit: 2:34 PM
Moonset: 7:50 PM
Moon Phase: New
Moon Illumination: 2.2%

Best Times for Fishing or Hunting

Major Periods

4:16 AM - 6:46 AM
2:04 PM - 4:34 PM

Minor Periods

7:20 PM - 8:50 PM
8:39 AM - 10:09 AM

Action Rating: 5 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: 6:24 AM
Sun Transit: 12:40 AM
Sunset: 6:57 PM
Daylight: 12 hrs 32 mins
Moonrise: 10:18 AM
Moon Transit: 3:20 PM
Moonset: 8:15 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

5:02 AM - 7:32 AM
2:50 PM - 5:20 PM

Minor Periods

7:45 PM - 9:15 PM
9:48 AM - 11:18 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: 6:24 AM
Sun Transit: 12:40 AM
Sunset: 6:57 PM
Daylight: 12 hrs 32 mins
Moonrise: 10:18 AM
Moon Transit: 3:20 PM
Moonset: 8:15 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.7%

Best Times for Fishing or Hunting

Major Periods

5:02 AM - 7:32 AM
2:50 PM - 5:20 PM

Minor Periods

7:45 PM - 9:15 PM
9:48 AM - 11:18 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: 6:25 AM
Sun Transit: 12:40 AM
Sunset: 6:55 PM
Daylight: 12 hrs 29 mins
Moonrise: 11:25 AM
Moon Transit: 4:08 PM
Moonset: 8:44 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

5:48 AM - 8:18 AM
3:38 PM - 6:08 PM

Minor Periods

8:14 PM - 9:44 PM
10:55 AM - 12:25 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: 6:25 AM
Sun Transit: 12:40 AM
Sunset: 6:55 PM
Daylight: 12 hrs 29 mins
Moonrise: 11:25 AM
Moon Transit: 4:08 PM
Moonset: 8:44 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.4%

Best Times for Fishing or Hunting

Major Periods

5:48 AM - 8:18 AM
3:38 PM - 6:08 PM

Minor Periods

8:14 PM - 9:44 PM
10:55 AM - 12:25 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: 6:26 AM
Sun Transit: 12:39 AM
Sunset: 6:53 PM
Daylight: 12 hrs 27 mins
Moonrise: 12:32 AM
Moon Transit: 4:57 PM
Moonset: 9:19 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

6:37 AM - 9:07 AM
4:27 PM - 6:57 PM

Minor Periods

8:49 PM - 10:19 PM
12:02 AM - 1:32 PM

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: 6:26 AM
Sun Transit: 12:39 AM
Sunset: 6:53 PM
Daylight: 12 hrs 27 mins
Moonrise: 12:32 AM
Moon Transit: 4:57 PM
Moonset: 9:19 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.0%

Best Times for Fishing or Hunting

Major Periods

6:37 AM - 9:07 AM
4:27 PM - 6:57 PM

Minor Periods

8:49 PM - 10:19 PM
12:02 AM - 1:32 PM

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: 6:27 AM
Sun Transit: 12:39 AM
Sunset: 6:51 PM
Daylight: 12 hrs 24 mins
Moonrise: 1:33 PM
Moon Transit: 5:48 PM
Moonset: 10:01 PM
Moon Phase: Waxing Crescent
Moon Illumination: 32.1%

Best Times for Fishing or Hunting

Major Periods

7:27 AM - 9:57 AM
5:18 PM - 7:48 PM

Minor Periods

9:31 PM - 11:01 PM
1:03 PM - 2:33 PM

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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