Water Temperature of Stony Brook Tributary in Waltham, MA

Current Water Temperature

51.3°F

Measurement Time: Monday, April 13, 2026, 4:40 AM EDT

Temperature Locations

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Stony Brook Tributary

Station Name: STONY BROOK, UNNAMED TRIBUTARY 1, NEAR WALTHAM, MA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 121 feet

Nearest Address:
US Hwy 20
Waltham, MA 02453
Middlesex County

GPS Coordinates: 42.37259606, -71.27033448

Nearby Water Temperatures

Stony Brook, Weston, MA (0.2 mi)
Stony Brook Tributary, Weston, MA (0.3 mi)
Stony Brook Reservoir Tributary, Weston, MA (1.3 mi)
Stony Brook, Weston, MA (1.3 mi)
Stony Brook, Waltham, MA (1.8 mi)
Cambridge Reservoir Tributary 3, Waltham, MA (3.3 mi)
Cambridge Reservoir, Lincoln, MA (3.4 mi)
Cambridge Reservoir Tributary 2, Lexington, MA (4.4 mi)
Hobbs Brook, Lincoln, MA (4.4 mi)
Cambridge Reservoir Tributary 1, Lexington, MA (4.4 mi)
Fresh Pond, Cambridge, MA (6.4 mi)
Shawsheen River, Bedford, MA (6.5 mi)
Nashua River, Clinton, MA (20.5 mi)
Gates Brook, West Boylston, MA (25.8 mi)
Stillwater River, Sterling, MA (26.7 mi)

Weather for Waltham, Massachusetts

Current Weather

55°F
Overcast
Overcast
51.4°F
55.9°F
77%
SW 13.6 mph
16.4 mph
52.5°F
51.4°F
0 in
100%
9 mi
1018 mbar
1.6

Five Day Weather Forecast

Patchy rain nearby
Mon
H: 80°F
L: 42°F
Patchy rain nearby
Tue
H: 75°F
L: 58°F
Overcast
Wed
H: 64°F
L: 52°F
Partly Cloudy
Thu
H: 85°F
L: 52°F
Partly Cloudy
Fri
H: 78°F
L: 53°F

Air Quality

AQI: 1 - Good
PM2.5: 7.95 μg/m3
PM10: 9.25 μg/m3
Carbon Monoxide: 179.85 μg/m3
Nitrogen Dioxide: 9.85 μg/m3
Sulphur Dioxide: 3.55 μg/m3
Ozone: 94 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 12:45 AM
Sunset: 7:24 PM
Daylight: 13 hrs 17 mins
Moonrise: 4:14 AM
Moon Transit: 9:36 AM
Moonset: 3:10 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:06 AM - 11:36 AM

Minor Periods

2:40 PM - 4:10 PM
3:44 AM - 5:14 AM

Action Rating: 2 out of 5

Monday, April 13, 2026

Weather Forecast

Patchy rain nearby
79.7°F
41.5°F
58.7°F
76%
0.07 in
74%
0%
15.9 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 7.46 μg/m3
PM10: 8.45 μg/m3
Carbon Monoxide: 201.25 μg/m3
Nitrogen Dioxide: 11.17 μg/m3
Sulphur Dioxide: 3.49 μg/m3
Ozone: 93.08 μg/m3

Astronomical

Sunrise: 6:07 AM
Sun Transit: 12:45 AM
Sunset: 7:24 PM
Daylight: 13 hrs 17 mins
Moonrise: 4:14 AM
Moon Transit: 9:36 AM
Moonset: 3:10 PM
Moon Phase: Waning Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:06 AM - 11:36 AM

Minor Periods

2:40 PM - 4:10 PM
3:44 AM - 5:14 AM

Action Rating: 2 out of 5

Tuesday, April 14, 2026

Weather Forecast

Patchy rain nearby
75.2°F
57.9°F
66.3°F
71%
0.01 in
84%
0%
13.4 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 9.77 μg/m3
PM10: 11.31 μg/m3
Carbon Monoxide: 217.53 μg/m3
Nitrogen Dioxide: 15.96 μg/m3
Sulphur Dioxide: 3.96 μg/m3
Ozone: 79.4 μg/m3

Astronomical

Sunrise: 6:06 AM
Sun Transit: 12:45 AM
Sunset: 7:26 PM
Daylight: 13 hrs 20 mins
Moonrise: 4:36 AM
Moon Transit: 10:22 AM
Moonset: 4:22 PM
Moon Phase: Waning Crescent
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

12:04 AM - 2:34 AM
9:52 AM - 12:22 AM

Minor Periods

3:52 PM - 5:22 PM
4:06 AM - 5:36 AM

Action Rating: 2 out of 5

Wednesday, April 15, 2026

Weather Forecast

Overcast
63.9°F
52°F
59.5°F
80%
0 in
0%
0%
12.3 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 13.59 μg/m3
PM10: 14.27 μg/m3
Carbon Monoxide: 225.45 μg/m3
Nitrogen Dioxide: 16.59 μg/m3
Sulphur Dioxide: 5.18 μg/m3
Ozone: 92.32 μg/m3

Astronomical

Sunrise: 6:04 AM
Sun Transit: 12:45 AM
Sunset: 7:27 PM
Daylight: 13 hrs 23 mins
Moonrise: 4:57 AM
Moon Transit: 11:33 AM
Moonset: 5:35 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

11:03 AM - 1:33 PM
11:03 AM - 1:33 PM

Minor Periods

5:05 PM - 6:35 PM
4:27 AM - 5:57 AM

Action Rating: 3 out of 5

Thursday, April 16, 2026

Weather Forecast

Partly Cloudy
84.7°F
51.7°F
70°F
69%
0 in
0%
0%
13.6 mph
0.5


Air Quality

AQI: 2 - Moderate
PM2.5: 18.43 μg/m3
PM10: 18.95 μg/m3
Carbon Monoxide: 262.25 μg/m3
Nitrogen Dioxide: 42.14 μg/m3
Sulphur Dioxide: 6.36 μg/m3
Ozone: 45.48 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 12:44 AM
Sunset: 7:28 PM
Daylight: 13 hrs 25 mins
Moonrise: 5:19 AM
Moon Transit: 12:00 AM
Moonset: 6:51 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:37 AM - 4:07 AM

Minor Periods

6:21 PM - 7:51 PM
4:49 AM - 6:19 AM

Action Rating: 5 out of 5

Friday, April 17, 2026

Weather Forecast

Partly Cloudy
77.7°F
52.5°F
65°F
71%
0 in
0%
0%
8.7 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 12.14 μg/m3
PM10: 12.85 μg/m3
Carbon Monoxide: 243.58 μg/m3
Nitrogen Dioxide: 21.12 μg/m3
Sulphur Dioxide: 5.23 μg/m3
Ozone: 83.08 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:44 AM
Sunset: 7:29 PM
Daylight: 13 hrs 28 mins
Moonrise: 5:44 AM
Moon Transit: 12:49 AM
Moonset: 8:11 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

2:28 AM - 4:58 AM
12:19 AM - 2:49 PM

Minor Periods

7:41 PM - 9:11 PM
5:14 AM - 6:44 AM

Action Rating: 4 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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