Water Temperature of Stony Brook in Waltham, MA

Current Water Temperature

60.8°F

Measurement Time: Monday, May 12, 2025, 2:30 PM EDT

Temperature Locations

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Local Points of Interest

Cambridge Reservoir (Hobbs Brook Basin)

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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 / 51 meters

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 (2.0 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 (3.0 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
Sunny
Conditions: Sunny
Humidity: 32%
Feels Like: 70°F
Wind: SW 10.7 mph
Wind Gusts: 18.2 mph
Pressure: 30.12 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0.8

Five Day Weather Forecast

Sunny
Mon
H: 76°F
L: 41°F
Partly Cloudy
Tue
H: 67°F
L: 50°F
Overcast
Wed
H: 71°F
L: 51°F
Moderate rain
Thu
H: 67°F
L: 59°F
Patchy rain nearby
Fri
H: 80°F
L: 60°F

Air Quality

AQI: 2 - Moderate
PM2.5: 16.84 μg/m3
PM10: 17.21 μg/m3
Carbon Monoxide: 405.15 μg/m3
Nitrogen Dioxide: 30.71 μg/m3
Sulphur Dioxide: 7.03 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:41 AM
Sunset: 7:57 PM
Daylight: 14 hrs 31 mins
Moonrise: 8:25 PM
Moon Transit: 12:13 AM
Moonset: 4:58 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:40 PM - 5:10 PM

Minor Periods

7:55 PM - 9:25 PM
4:28 AM - 5:58 AM

Action Rating: 4 out of 5

Monday, May 12, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 60.9°F
Average Humidity: 52%
Chance of Rain: 0%
Wind: 12.8 mph
UV Index: 2.1

Air Quality

AQI: 1 - Good
PM2.5: 9.19 μg/m3
PM10: 9.69 μg/m3
Carbon Monoxide: 333.52 μg/m3
Nitrogen Dioxide: 21.9 μg/m3
Sulphur Dioxide: 4.48 μg/m3
Ozone: 79.56 μg/m3

Astronomical

Sunrise: 5:26 AM
Sun Transit: 12:41 AM
Sunset: 7:57 PM
Daylight: 14 hrs 31 mins
Moonrise: 8:25 PM
Moon Transit: 12:13 AM
Moonset: 4:58 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:40 PM - 5:10 PM

Minor Periods

7:55 PM - 9:25 PM
4:28 AM - 5:58 AM

Action Rating: 4 out of 5

Tuesday, May 13, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 60.3°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 20.98 μg/m3
PM10: 23.55 μg/m3
Carbon Monoxide: 406.19 μg/m3
Nitrogen Dioxide: 26.57 μg/m3
Sulphur Dioxide: 6.96 μg/m3
Ozone: 85.36 μg/m3

Astronomical

Sunrise: 5:25 AM
Sun Transit: 12:41 AM
Sunset: 7:58 PM
Daylight: 14 hrs 33 mins
Moonrise: 9:29 PM
Moon Transit: 1:00 AM
Moonset: 5:28 AM
Moon Phase: Full
Moon Illumination: 97.2%

Best Times for Fishing or Hunting

Major Periods

12:30 AM - 3:00 AM
3:30 PM - 6:00 PM

Minor Periods

8:59 PM - 10:29 PM
4:58 AM - 6:28 AM

Action Rating: 4 out of 5

Wednesday, May 14, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 59.9°F
Average Humidity: 88%
Chance of Rain: 0%
Wind: 4.9 mph
UV Index: 0.7

Air Quality

AQI: 2 - Moderate
PM2.5: 29.77 μg/m3
PM10: 34.65 μg/m3
Carbon Monoxide: 482.85 μg/m3
Nitrogen Dioxide: 36.19 μg/m3
Sulphur Dioxide: 6.49 μg/m3
Ozone: 69.76 μg/m3

Astronomical

Sunrise: 5:24 AM
Sun Transit: 12:41 AM
Sunset: 7:59 PM
Daylight: 14 hrs 35 mins
Moonrise: 10:31 PM
Moon Transit: 1:49 AM
Moonset: 6:05 AM
Moon Phase: Full
Moon Illumination: 92.3%

Best Times for Fishing or Hunting

Major Periods

1:19 AM - 3:49 AM
4:20 PM - 6:50 PM

Minor Periods

10:01 PM - 11:31 PM
5:35 AM - 7:05 AM

Action Rating: 4 out of 5

Thursday, May 15, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 62.2°F
Average Humidity: 95%
Chance of Rain: 88%
Wind: 7.4 mph
UV Index: 0.4

Air Quality

AQI: 2 - Moderate
PM2.5: 18.59 μg/m3
PM10: 22.58 μg/m3
Carbon Monoxide: 393.53 μg/m3
Nitrogen Dioxide: 30.16 μg/m3
Sulphur Dioxide: 5.69 μg/m3
Ozone: 64.28 μg/m3

Astronomical

Sunrise: 5:23 AM
Sun Transit: 12:41 AM
Sunset: 8:00 PM
Daylight: 14 hrs 37 mins
Moonrise: 11:25 PM
Moon Transit: 2:41 AM
Moonset: 6:51 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.2%

Best Times for Fishing or Hunting

Major Periods

2:11 AM - 4:41 AM
5:13 PM - 7:43 PM

Minor Periods

12:00 AM - 12:00 AM
6:21 AM - 7:51 AM

Action Rating: 3 out of 5

Friday, May 16, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 68.1°F
Average Humidity: 83%
Chance of Rain: 89%
Wind: 8.9 mph
UV Index: 0.1

Air Quality

AQI: 2 - Moderate
PM2.5: 22.1 μg/m3
PM10: 24.46 μg/m3
Carbon Monoxide: 472.46 μg/m3
Nitrogen Dioxide: 45.91 μg/m3
Sulphur Dioxide: 6.09 μg/m3
Ozone: 33.31 μg/m3

Astronomical

Sunrise: 5:22 AM
Sun Transit: 12:41 AM
Sunset: 8:01 PM
Daylight: 14 hrs 39 mins
Moonrise: 12:25 AM
Moon Transit: 3:34 AM
Moonset: 7:46 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.3%

Best Times for Fishing or Hunting

Major Periods

3:04 AM - 5:34 AM
6:07 PM - 8:37 PM

Minor Periods

7:16 AM - 8:46 AM
12:00 AM - 12:00 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.

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