Water Temperature of Stony Brook in Waltham, MA

Current Water Temperature

76.5°F

Measurement Time: Wednesday, July 8, 2026, 7:00 PM EDT

Temperature Locations

View Nearby Locations     View All Massachusetts Locations     View Locations Near Me

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

71.1°F
Clear
Clear
71.1°F
76°F
73%
SW 7.2 mph
15 mph
70.9°F
62.4°F
0 in
0%
9 mi
1013 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 89°F
L: 62°F
Sunny
Thu
H: 92°F
L: 66°F
Partly Cloudy
Fri
H: 88°F
L: 66°F
Partly Cloudy
Sat
H: 80°F
L: 62°F
Sunny
Sun
H: 79°F
L: 58°F

Air Quality

AQI: 1 - Good
PM2.5: 13.4 μg/m3
PM10: 13.7 μg/m3
Carbon Monoxide: 198 μg/m3
Nitrogen Dioxide: 18.8 μg/m3
Sulphur Dioxide: 0.7 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 5:16 AM
Sun Transit: 12:50 AM
Sunset: 8:24 PM
Daylight: 15 hrs 8 mins
Moonrise: 12:08 AM
Moon Transit: 7:04 AM
Moonset: 2:15 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
12:00 AM - 12:00 AM

Minor Periods

1:45 PM - 3:15 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Rip Current Statement issued July 8 at 8:51AM EDT until July 8 at 11:00PM EDT by NWS Boston/Norton MA

Effective: Wed July 8, 2026, 8:51 AM
Expires: Wed July 8, 2026, 11:00 PM

* WHAT...Dangerous rip currents. * WHERE...Eastern Essex MA, Southeast Middlesex MA, Suffolk MA, Eastern Norfolk MA, Eastern Plymouth MA, Barnstable MA and Nantucket MA Counties. * WHEN...Through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water. * ADDITIONAL DETAILS...East facing ocean beaches are most vulnerable.

Swim near a lifeguard. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.
Wednesday, July 8, 2026

Weather Forecast

Sunny
89.4°F
61.7°F
72.5°F
72%
0 in
10%
0%
7.2 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 11.01 μg/m3
PM10: 11.63 μg/m3
Carbon Monoxide: 159.38 μg/m3
Nitrogen Dioxide: 8.18 μg/m3
Sulphur Dioxide: 0.67 μg/m3
Ozone: 84.54 μg/m3

Astronomical

Sunrise: 5:16 AM
Sun Transit: 12:50 AM
Sunset: 8:24 PM
Daylight: 15 hrs 8 mins
Moonrise: 12:08 AM
Moon Transit: 7:04 AM
Moonset: 2:15 PM
Moon Phase: Last Quarter
Moon Illumination: 26.8%

Best Times for Fishing or Hunting

Major Periods

6:34 AM - 9:04 AM
12:00 AM - 12:00 AM

Minor Periods

1:45 PM - 3:15 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Thursday, July 9, 2026

Weather Forecast

Sunny
92.3°F
65.8°F
77.5°F
71%
0.08 in
57%
0%
10.7 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 8.62 μg/m3
PM10: 8.86 μg/m3
Carbon Monoxide: 173.33 μg/m3
Nitrogen Dioxide: 7.73 μg/m3
Sulphur Dioxide: 0.87 μg/m3
Ozone: 102.04 μg/m3

Astronomical

Sunrise: 5:17 AM
Sun Transit: 12:50 AM
Sunset: 8:24 PM
Daylight: 15 hrs 7 mins
Moonrise: 12:34 AM
Moon Transit: 7:55 AM
Moonset: 3:31 PM
Moon Phase: Last Quarter
Moon Illumination: 17.4%

Best Times for Fishing or Hunting

Major Periods

7:25 AM - 9:55 AM
12:00 AM - 12:00 AM

Minor Periods

3:01 PM - 4:31 PM
12:04 AM - 1:34 AM

Action Rating: 2 out of 5

Friday, July 10, 2026

Weather Forecast

Partly Cloudy
87.7°F
65.9°F
73.9°F
80%
0.03 in
50%
0%
7.8 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 9.19 μg/m3
PM10: 9.69 μg/m3
Carbon Monoxide: 178.38 μg/m3
Nitrogen Dioxide: 9.42 μg/m3
Sulphur Dioxide: 1.15 μg/m3
Ozone: 100.33 μg/m3

Astronomical

Sunrise: 5:17 AM
Sun Transit: 12:50 AM
Sunset: 8:23 PM
Daylight: 15 hrs 6 mins
Moonrise: 1:06 AM
Moon Transit: 8:52 AM
Moonset: 4:51 PM
Moon Phase: Waning Crescent
Moon Illumination: 9.7%

Best Times for Fishing or Hunting

Major Periods

8:22 AM - 10:52 AM
12:00 AM - 12:00 AM

Minor Periods

4:21 PM - 5:51 PM
12:36 AM - 2:06 AM

Action Rating: 2 out of 5

Saturday, July 11, 2026

Weather Forecast

Partly Cloudy
80.2°F
62.3°F
69.9°F
73%
0 in
11%
0%
9.6 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 14.73 μg/m3
PM10: 15.27 μg/m3
Carbon Monoxide: 183.21 μg/m3
Nitrogen Dioxide: 13.38 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 84 μg/m3

Astronomical

Sunrise: 5:18 AM
Sun Transit: 12:50 AM
Sunset: 8:23 PM
Daylight: 15 hrs 5 mins
Moonrise: 1:49 AM
Moon Transit: 9:54 AM
Moonset: 6:09 PM
Moon Phase: Waning Crescent
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:24 AM - 11:54 AM

Minor Periods

5:39 PM - 7:09 PM
1:19 AM - 2:49 AM

Action Rating: 2 out of 5

Sunday, July 12, 2026

Weather Forecast

Sunny
79.4°F
58.2°F
68.3°F
62%
0 in
4%
0%
10.5 mph
7.4


Air Quality

AQI: 1 - Good
PM2.5: 13.95 μg/m3
PM10: 14.53 μg/m3
Carbon Monoxide: 170.8 μg/m3
Nitrogen Dioxide: 9.47 μg/m3
Sulphur Dioxide: 0.75 μg/m3
Ozone: 77.63 μg/m3

Astronomical

Sunrise: 5:19 AM
Sun Transit: 12:50 AM
Sunset: 8:22 PM
Daylight: 15 hrs 3 mins
Moonrise: 2:44 AM
Moon Transit: 11:00 AM
Moonset: 7:18 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:34 AM - 3:04 AM
10:30 AM - 1:00 PM

Minor Periods

6:48 PM - 8:18 PM
2:14 AM - 3:44 AM

Action Rating: 3 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.

Webcams Near Waltham, MA

Sponsored Content