Water Temperature of Stony Brook in Weston, MA

Current Water Temperature

34.7°F

Measurement Time: Sunday, January 11, 2026, 8:40 PM EST

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

30°F
Overcast
Overcast
18.9°F
30.4°F
51%
WNW 15.2 mph
21.5 mph
18.8°F
19.8°F
0 in
25%
9 mi
1008 mbar
0

Five Day Weather Forecast

Partly Cloudy
Mon
H: 35°F
L: 24°F
Partly Cloudy
Tue
H: 41°F
L: 30°F
Overcast
Wed
H: 46°F
L: 36°F
Patchy rain nearby
Thu
H: 40°F
L: 27°F
Light freezing rain
Fri
H: 31°F
L: 18°F

Air Quality

PM2.5: 1.65 μg/m3
PM10: 1.65 μg/m3
Carbon Monoxide: 186.85 μg/m3
Nitrogen Dioxide: 6.95 μg/m3
Sulphur Dioxide: 2.15 μg/m3
Ozone: 66 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 11:53 AM
Sunset: 4:35 PM
Daylight: 9 hrs 22 mins
Moonrise: 1:56 AM
Moon Transit: 6:50 AM
Moonset: 11:38 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

6:20 AM - 8:50 AM
9:18 PM - 11:48 PM

Minor Periods

11:08 AM - 12:38 AM
1:26 AM - 2:56 AM

Action Rating: 2 out of 5

Monday, January 12, 2026

Weather Forecast

Partly Cloudy
35.2°F
24.3°F
30.7°F
65%
0 in
0%
0%
15.2 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 4.21 μg/m3
PM10: 4.51 μg/m3
Carbon Monoxide: 196.21 μg/m3
Nitrogen Dioxide: 13.47 μg/m3
Sulphur Dioxide: 2.92 μg/m3
Ozone: 60.36 μg/m3

Astronomical

Sunrise: 7:13 AM
Sun Transit: 11:53 AM
Sunset: 4:35 PM
Daylight: 9 hrs 22 mins
Moonrise: 1:56 AM
Moon Transit: 6:50 AM
Moonset: 11:38 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

6:20 AM - 8:50 AM
9:18 PM - 11:48 PM

Minor Periods

11:08 AM - 12:38 AM
1:26 AM - 2:56 AM

Action Rating: 2 out of 5

Tuesday, January 13, 2026

Weather Forecast

Partly Cloudy
41°F
30.4°F
34.6°F
71%
0 in
0%
0%
11.2 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 11.92 μg/m3
PM10: 12.6 μg/m3
Carbon Monoxide: 256.25 μg/m3
Nitrogen Dioxide: 30.65 μg/m3
Sulphur Dioxide: 6.83 μg/m3
Ozone: 32.84 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 11:53 AM
Sunset: 4:36 PM
Daylight: 9 hrs 23 mins
Moonrise: 3:00 AM
Moon Transit: 7:36 AM
Moonset: 12:07 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

7:06 AM - 9:36 AM
12:00 AM - 12:00 AM

Minor Periods

11:37 AM - 1:07 PM
2:30 AM - 4:00 AM

Action Rating: 3 out of 5

Wednesday, January 14, 2026

Weather Forecast

Overcast
46.2°F
35.6°F
39.7°F
84%
0 in
0%
0%
11.9 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 12.63 μg/m3
PM10: 14.03 μg/m3
Carbon Monoxide: 250.83 μg/m3
Nitrogen Dioxide: 26.49 μg/m3
Sulphur Dioxide: 7.88 μg/m3
Ozone: 39.64 μg/m3

Astronomical

Sunrise: 7:12 AM
Sun Transit: 11:54 AM
Sunset: 4:37 PM
Daylight: 9 hrs 25 mins
Moonrise: 4:04 AM
Moon Transit: 8:25 AM
Moonset: 12:43 AM
Moon Phase: Waning Crescent
Moon Illumination: 8.5%

Best Times for Fishing or Hunting

Major Periods

7:55 AM - 10:25 AM
12:00 AM - 12:00 AM

Minor Periods

12:13 AM - 1:43 PM
3:34 AM - 5:04 AM

Action Rating: 2 out of 5

Thursday, January 15, 2026

Weather Forecast

Patchy rain nearby
40°F
27.2°F
34.7°F
88%
0.06 in
74%
21%
12.3 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 15.2 μg/m3
PM10: 16.37 μg/m3
Carbon Monoxide: 306.06 μg/m3
Nitrogen Dioxide: 37.4 μg/m3
Sulphur Dioxide: 7.74 μg/m3
Ozone: 21.92 μg/m3

Astronomical

Sunrise: 7:11 AM
Sun Transit: 11:54 AM
Sunset: 4:38 PM
Daylight: 9 hrs 27 mins
Moonrise: 5:04 AM
Moon Transit: 9:16 AM
Moonset: 1:27 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

8:46 AM - 11:16 AM
12:00 AM - 12:00 AM

Minor Periods

12:57 AM - 2:27 PM
4:34 AM - 6:04 AM

Action Rating: 2 out of 5

Friday, January 16, 2026

Weather Forecast

Light freezing rain
30.9°F
18.4°F
23.9°F
69%
0.05 in
82%
45%
14.1 mph
0


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: 7:11 AM
Sun Transit: 11:54 AM
Sunset: 4:39 PM
Daylight: 9 hrs 28 mins
Moonrise: 5:58 AM
Moon Transit: 10:08 AM
Moonset: 2:20 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:38 AM - 12:08 AM

Minor Periods

1:50 PM - 3:20 PM
5:28 AM - 6:58 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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