Water Temperature of Stony Brook in Weston, MA

Current Water Temperature

35.6°F

Measurement Time: Tuesday, February 17, 2026, 6:10 AM 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

33.1°F
Overcast
Overcast
27.5°F
33°F
69%
SSW 6 mph
7.5 mph
27.3°F
24.6°F
0 in
100%
9 mi
1020 mbar
1.1

Five Day Weather Forecast

Light freezing rain
Tue
H: 37°F
L: 26°F
Moderate or heavy snow showers
Wed
H: 36°F
L: 32°F
Moderate or heavy snow showers
Thu
H: 38°F
L: 26°F
Heavy snow
Fri
H: 36°F
L: 22°F
Light snow
Sat
H: 35°F
L: 25°F

Air Quality

AQI: 1 - Good
PM2.5: 26.75 μg/m3
PM10: 28.95 μg/m3
Carbon Monoxide: 327.85 μg/m3
Nitrogen Dioxide: 39.05 μg/m3
Sulphur Dioxide: 5.65 μg/m3
Ozone: 44 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:00 AM
Sunset: 5:20 PM
Daylight: 10 hrs 41 mins
Moonrise: 6:49 AM
Moon Transit: 12:09 AM
Moonset: 5:42 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:51 AM - 4:21 AM
11:39 AM - 2:09 PM

Minor Periods

5:12 PM - 6:42 PM
6:19 AM - 7:49 AM

Action Rating: 5 out of 5

Special Weather Statement issued February 17 at 1:47AM EST by NWS Boston/Norton MA

Effective: Tue February 17, 2026, 1:47 AM
Expires: Tue February 17, 2026, 10:00 AM

A weak storm system passing to our north today will bring a risk for patchy light freezing drizzle or flurries this morning. The anticipated spotty coverage of freezing drizzle should minimize icing on treated surfaces. Although untreated surfaces and elevated bridges could still become slippery. Use caution if traveling this morning.


Tuesday, February 17, 2026

Weather Forecast

Light freezing rain
37.4°F
25.7°F
31.7°F
84%
0.02 in
85%
0%
6.3 mph
0.2


Air Quality

AQI: 2 - Moderate
PM2.5: 31.17 μg/m3
PM10: 34.41 μg/m3
Carbon Monoxide: 507.37 μg/m3
Nitrogen Dioxide: 59.93 μg/m3
Sulphur Dioxide: 5.25 μg/m3
Ozone: 22.12 μg/m3

Astronomical

Sunrise: 6:39 AM
Sun Transit: 12:00 AM
Sunset: 5:20 PM
Daylight: 10 hrs 41 mins
Moonrise: 6:49 AM
Moon Transit: 12:09 AM
Moonset: 5:42 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:51 AM - 4:21 AM
11:39 AM - 2:09 PM

Minor Periods

5:12 PM - 6:42 PM
6:19 AM - 7:49 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Moderate or heavy snow showers
35.8°F
31.5°F
33.3°F
96%
0.52 in
72%
23%
5.6 mph
0.4


Air Quality

AQI: 2 - Moderate
PM2.5: 29.22 μg/m3
PM10: 30.31 μg/m3
Carbon Monoxide: 510.25 μg/m3
Nitrogen Dioxide: 48.21 μg/m3
Sulphur Dioxide: 5.41 μg/m3
Ozone: 30.16 μg/m3

Astronomical

Sunrise: 6:37 AM
Sun Transit: 11:58 AM
Sunset: 5:21 PM
Daylight: 10 hrs 44 mins
Moonrise: 7:10 AM
Moon Transit: 12:55 AM
Moonset: 6:53 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

2:37 AM - 5:07 AM
12:25 AM - 2:55 PM

Minor Periods

6:23 PM - 7:53 PM
6:40 AM - 8:10 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Moderate or heavy snow showers
38.3°F
25.9°F
31.6°F
81%
0.47 in
73%
18%
6 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 9.11 μg/m3
PM10: 9.76 μg/m3
Carbon Monoxide: 322.93 μg/m3
Nitrogen Dioxide: 25.41 μg/m3
Sulphur Dioxide: 3.42 μg/m3
Ozone: 58.64 μg/m3

Astronomical

Sunrise: 6:36 AM
Sun Transit: 11:58 AM
Sunset: 5:22 PM
Daylight: 10 hrs 46 mins
Moonrise: 7:31 AM
Moon Transit: 4:07 PM
Moonset: 8:04 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

3:22 AM - 5:52 AM
3:37 PM - 6:07 PM

Minor Periods

7:34 PM - 9:04 PM
7:01 AM - 8:31 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Heavy snow
36.3°F
22.3°F
29.3°F
94%
0.49 in
67%
22%
9.6 mph
0.3


Air Quality

AQI: 2 - Moderate
PM2.5: 27.53 μg/m3
PM10: 29.41 μg/m3
Carbon Monoxide: 500.55 μg/m3
Nitrogen Dioxide: 54.35 μg/m3
Sulphur Dioxide: 5.75 μg/m3
Ozone: 26.76 μg/m3

Astronomical

Sunrise: 6:35 AM
Sun Transit: 11:58 AM
Sunset: 5:24 PM
Daylight: 10 hrs 49 mins
Moonrise: 7:52 AM
Moon Transit: 2:27 PM
Moonset: 9:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:57 PM - 4:27 PM

Minor Periods

8:47 PM - 10:17 PM
7:22 AM - 8:52 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Light snow
34.8°F
25.1°F
31.9°F
97%
0.13 in
85%
55%
8.3 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 6.21 μg/m3
PM10: 8.67 μg/m3
Carbon Monoxide: 191.6 μg/m3
Nitrogen Dioxide: 8.12 μg/m3
Sulphur Dioxide: 2.11 μg/m3
Ozone: 78.85 μg/m3

Astronomical

Sunrise: 6:33 AM
Sun Transit: 11:58 AM
Sunset: 5:25 PM
Daylight: 10 hrs 52 mins
Moonrise: 8:16 AM
Moon Transit: 3:16 PM
Moonset: 10:33 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

4:56 AM - 7:26 AM
2:46 PM - 5:16 PM

Minor Periods

10:03 PM - 11:33 PM
7:46 AM - 9:16 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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