Water Temperature of Stony Brook in Weston, MA

Current Water Temperature

49.8°F

Measurement Time: Monday, April 20, 2026, 7:10 AM EDT

Temperature Locations

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Local Points of Interest

South Quarry Pond; Stony Brook Reservoir; Waltham, MA

Stony Brook

Station Name: STONY BROOK AT RT 20 AT WALTHAM, MA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 105 feet

Nearest Address:
99 Sibley Rd
Weston, MA 02493
Middlesex County

GPS Coordinates: 42.368985, -71.2706123

Nearby Water Temperatures

Stony Brook Tributary, Waltham, MA (0.2 mi)
Stony Brook Tributary, Weston, MA (0.3 mi)
Stony Brook Reservoir Tributary, Weston, MA (1 mi)
Stony Brook, Weston, MA (1.5 mi)
Stony Brook, Waltham, MA (2 mi)
Cambridge Reservoir Tributary 3, Waltham, MA (3.6 mi)
Cambridge Reservoir, Lincoln, MA (3.6 mi)
Cambridge Reservoir Tributary 2, Lexington, MA (4.7 mi)
Hobbs Brook, Lincoln, MA (4.7 mi)
Cambridge Reservoir Tributary 1, Lexington, MA (4.7 mi)
Fresh Pond, Cambridge, MA (6.5 mi)
Shawsheen River, Bedford, MA (6.8 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 Weston, Massachusetts

Current Weather

46°F
Partly cloudy
Partly cloudy
41.6°F
44.3°F
47%
W 8.7 mph
10 mph
39.1°F
31.2°F
0 in
75%
9 mi
1020 mbar
3.1

Five Day Weather Forecast

Overcast
Mon
H: 49°F
L: 33°F
Sunny
Tue
H: 52°F
L: 31°F
Patchy rain nearby
Wed
H: 46°F
L: 36°F
Partly Cloudy
Thu
H: 59°F
L: 41°F
Sunny
Fri
H: 57°F
L: 37°F

Air Quality

AQI: 1 - Good
PM2.5: 4.25 μg/m3
PM10: 4.75 μg/m3
Carbon Monoxide: 185.85 μg/m3
Nitrogen Dioxide: 3.95 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 95 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 12:43 AM
Sunset: 7:32 PM
Daylight: 13 hrs 36 mins
Moonrise: 7:38 AM
Moon Transit: 3:50 PM
Moonset: 12:08 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
3:20 PM - 5:50 PM

Minor Periods

12:00 AM - 12:00 AM
7:08 AM - 8:38 AM

Action Rating: 2 out of 5

Monday, April 20, 2026

Weather Forecast

Overcast
48.6°F
32.5°F
40.3°F
64%
0 in
0%
0%
11 mph
3.7


Air Quality

AQI: 1 - Good
PM2.5: 5.68 μg/m3
PM10: 6.1 μg/m3
Carbon Monoxide: 201.85 μg/m3
Nitrogen Dioxide: 11.37 μg/m3
Sulphur Dioxide: 2.83 μg/m3
Ozone: 77.32 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 12:43 AM
Sunset: 7:32 PM
Daylight: 13 hrs 36 mins
Moonrise: 7:38 AM
Moon Transit: 3:50 PM
Moonset: 12:08 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

5:25 AM - 7:55 AM
3:20 PM - 5:50 PM

Minor Periods

12:00 AM - 12:00 AM
7:08 AM - 8:38 AM

Action Rating: 2 out of 5

Tuesday, April 21, 2026

Weather Forecast

Sunny
52.4°F
30.6°F
41.8°F
42%
0 in
0%
0%
9.8 mph
5.7


Air Quality

AQI: 1 - Good
PM2.5: 7.31 μg/m3
PM10: 7.91 μg/m3
Carbon Monoxide: 203.49 μg/m3
Nitrogen Dioxide: 13.56 μg/m3
Sulphur Dioxide: 3.53 μg/m3
Ozone: 78.68 μg/m3

Astronomical

Sunrise: 5:55 AM
Sun Transit: 12:43 AM
Sunset: 7:33 PM
Daylight: 13 hrs 39 mins
Moonrise: 8:39 AM
Moon Transit: 4:55 PM
Moonset: 12:08 AM
Moon Phase: Waxing Crescent
Moon Illumination: 18.8%

Best Times for Fishing or Hunting

Major Periods

6:30 AM - 9:00 AM
4:25 PM - 6:55 PM

Minor Periods

8:09 AM - 9:39 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, April 22, 2026

Weather Forecast

Patchy rain nearby
45.5°F
35.9°F
41.3°F
85%
0.08 in
88%
0%
9.8 mph
1.4


Air Quality

AQI: 1 - Good
PM2.5: 10.78 μg/m3
PM10: 12.36 μg/m3
Carbon Monoxide: 211.93 μg/m3
Nitrogen Dioxide: 14.83 μg/m3
Sulphur Dioxide: 3.46 μg/m3
Ozone: 83 μg/m3

Astronomical

Sunrise: 5:53 AM
Sun Transit: 12:43 AM
Sunset: 7:35 PM
Daylight: 13 hrs 41 mins
Moonrise: 9:48 AM
Moon Transit: 5:58 PM
Moonset: 1:10 AM
Moon Phase: Waxing Crescent
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:33 AM - 10:03 AM
5:28 PM - 7:58 PM

Minor Periods

9:18 AM - 10:48 AM
12:40 AM - 2:10 AM

Action Rating: 3 out of 5

Thursday, April 23, 2026

Weather Forecast

Partly Cloudy
58.8°F
40.5°F
48.9°F
61%
0 in
0%
0%
13.6 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 13.86 μg/m3
PM10: 16.63 μg/m3
Carbon Monoxide: 212.49 μg/m3
Nitrogen Dioxide: 16.63 μg/m3
Sulphur Dioxide: 3.91 μg/m3
Ozone: 76.12 μg/m3

Astronomical

Sunrise: 5:52 AM
Sun Transit: 12:43 AM
Sunset: 7:36 PM
Daylight: 13 hrs 44 mins
Moonrise: 11:04 AM
Moon Transit: 6:56 PM
Moonset: 1:58 AM
Moon Phase: First Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

8:33 AM - 11:03 AM
6:26 PM - 8:56 PM

Minor Periods

10:34 AM - 12:04 AM
1:28 AM - 2:58 AM

Action Rating: 2 out of 5

Friday, April 24, 2026

Weather Forecast

Sunny
56.9°F
36.9°F
46.5°F
49%
0 in
0%
0%
10.3 mph
0.9


Air Quality

AQI: 1 - Good
PM2.5: 8.91 μg/m3
PM10: 9.7 μg/m3
Carbon Monoxide: 231.31 μg/m3
Nitrogen Dioxide: 18.83 μg/m3
Sulphur Dioxide: 3.7 μg/m3
Ozone: 60.31 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 12:43 AM
Sunset: 7:37 PM
Daylight: 13 hrs 47 mins
Moonrise: 12:20 AM
Moon Transit: 7:49 PM
Moonset: 2:36 AM
Moon Phase: First Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

9:28 AM - 11:58 AM
7:19 PM - 9:49 PM

Minor Periods

11:50 AM - 1:20 PM
2:06 AM - 3:36 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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