Water Temperature of Stony Brook in Weston, MA

Current Water Temperature

33.1°F

Measurement Time: Tuesday, March 3, 2026, 4:40 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

26.1°F
Partly cloudy
Partly cloudy
18.2°F
28.5°F
55%
SSW 7.2 mph
8.6 mph
22.4°F
10.3°F
0 in
75%
9 mi
1037 mbar
2.5

Five Day Weather Forecast

Moderate or heavy snow showers
Tue
H: 34°F
L: 17°F
Patchy rain nearby
Wed
H: 40°F
L: 30°F
Freezing fog
Thu
H: 35°F
L: 23°F
Moderate or heavy snow showers
Fri
H: 34°F
L: 33°F
Patchy rain nearby
Sat
H: 40°F
L: 33°F

Air Quality

AQI: 1 - Good
PM2.5: 14.85 μg/m3
PM10: 18.85 μg/m3
Carbon Monoxide: 281.85 μg/m3
Nitrogen Dioxide: 21.25 μg/m3
Sulphur Dioxide: 3.55 μg/m3
Ozone: 78 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 11:56 AM
Sunset: 5:37 PM
Daylight: 11 hrs 20 mins
Moonrise: 6:05 PM
Moon Transit: 12:00 AM
Moonset: 6:19 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:10 PM - 4:40 PM

Minor Periods

5:35 PM - 7:05 PM
5:49 AM - 7:19 AM

Action Rating: 5 out of 5

Winter Weather Advisory issued March 2 at 12:54PM EST until March 4 at 7:00AM EST by NWS Boston/Norton MA

Effective: Mon March 2, 2026, 12:54 PM
Expires: Tue March 3, 2026, 6:00 AM

* WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to one inch and ice accumulations up to one-tenth of an inch. * WHERE...Northern Connecticut, northwest Rhode Island, and western, central and northeastern Massachusetts. * WHEN...From noon Tuesday to 7 AM EST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes.

Slow down and use caution while traveling.


Winter Weather Advisory issued March 2 at 10:32PM EST until March 4 at 7:00AM EST by NWS Boston/Norton MA

Effective: Mon March 2, 2026, 10:32 PM
Expires: Tue March 3, 2026, 4:15 PM

* WHAT...Mixed precipitation expected. Total snow accumulations up to two inches and ice accumulations around one tenth of an inch. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From noon Tuesday to 7 AM EST Wednesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday evening and Wednesday morning commutes.

Slow down and use caution while traveling.


Winter Weather Advisory issued March 3 at 4:20AM EST until March 4 at 4:00AM EST by NWS Gray ME

Effective: Tue March 3, 2026, 4:20 AM
Expires: Tue March 3, 2026, 4:30 PM

* WHAT...Snow expected. Total snow accumulations between 3 and 5 inches. A light glaze of ice is also possible across southern NH. * WHERE...Portions of south central and southwest Maine and central, northern, and southern New Hampshire. * WHEN...From 1 PM this afternoon to 4 AM EST Wednesday. * IMPACTS...Even light snowfall amounts can accumulate on roads and cause dangerous driving conditions due to snow covered roads. The hazardous conditions could impact the Tuesday evening commute.

Slow down and use caution while traveling. The latest road conditions can be obtained by going to newengland511.org
Tuesday, March 3, 2026

Weather Forecast

Moderate or heavy snow showers
33.6°F
16.9°F
26.8°F
71%
0.4 in
83%
25%
7.2 mph
0.7


Air Quality

AQI: 2 - Moderate
PM2.5: 19.7 μg/m3
PM10: 22.21 μg/m3
Carbon Monoxide: 324.61 μg/m3
Nitrogen Dioxide: 34.64 μg/m3
Sulphur Dioxide: 3.73 μg/m3
Ozone: 53.4 μg/m3

Astronomical

Sunrise: 6:17 AM
Sun Transit: 11:56 AM
Sunset: 5:37 PM
Daylight: 11 hrs 20 mins
Moonrise: 6:05 PM
Moon Transit: 12:00 AM
Moonset: 6:19 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:10 PM - 4:40 PM

Minor Periods

5:35 PM - 7:05 PM
5:49 AM - 7:19 AM

Action Rating: 5 out of 5

Wednesday, March 4, 2026

Weather Forecast

Patchy rain nearby
40.3°F
30.2°F
34.2°F
98%
0.03 in
77%
4%
7.6 mph
0.7


Air Quality

AQI: 1 - Good
PM2.5: 10.39 μg/m3
PM10: 11.27 μg/m3
Carbon Monoxide: 349.45 μg/m3
Nitrogen Dioxide: 28.07 μg/m3
Sulphur Dioxide: 3.79 μg/m3
Ozone: 66.04 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 11:56 AM
Sunset: 5:38 PM
Daylight: 11 hrs 23 mins
Moonrise: 7:13 PM
Moon Transit: 12:28 AM
Moonset: 6:39 AM
Moon Phase: Full
Moon Illumination: 98.2%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:54 PM - 5:24 PM

Minor Periods

6:43 PM - 8:13 PM
6:09 AM - 7:39 AM

Action Rating: 5 out of 5

Thursday, March 5, 2026

Weather Forecast

Freezing fog
34.5°F
22.5°F
29.2°F
98%
1.04 in
83%
10%
5.8 mph
0


Air Quality

AQI: 2 - Moderate
PM2.5: 28.12 μg/m3
PM10: 29.2 μg/m3
Carbon Monoxide: 556.13 μg/m3
Nitrogen Dioxide: 52.17 μg/m3
Sulphur Dioxide: 4.58 μg/m3
Ozone: 40.8 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 11:56 AM
Sunset: 5:40 PM
Daylight: 11 hrs 26 mins
Moonrise: 8:20 PM
Moon Transit: 1:11 AM
Moonset: 6:58 AM
Moon Phase: Full
Moon Illumination: 94.0%

Best Times for Fishing or Hunting

Major Periods

12:41 AM - 3:11 AM
3:36 PM - 6:06 PM

Minor Periods

7:50 PM - 9:20 PM
6:28 AM - 7:58 AM

Action Rating: 5 out of 5

Friday, March 6, 2026

Weather Forecast

Moderate or heavy snow showers
34.1°F
33°F
33.7°F
97%
2.19 in
85%
22%
10.5 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 13 μg/m3
PM10: 14.99 μg/m3
Carbon Monoxide: 262.14 μg/m3
Nitrogen Dioxide: 28.79 μg/m3
Sulphur Dioxide: 2.85 μg/m3
Ozone: 59 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 11:56 AM
Sunset: 5:41 PM
Daylight: 11 hrs 29 mins
Moonrise: 9:25 PM
Moon Transit: 1:54 AM
Moonset: 7:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 87.6%

Best Times for Fishing or Hunting

Major Periods

1:24 AM - 3:54 AM
4:19 PM - 6:49 PM

Minor Periods

8:55 PM - 10:25 PM
6:48 AM - 8:18 AM

Action Rating: 2 out of 5

Saturday, March 7, 2026

Weather Forecast

Patchy rain nearby
40.4°F
32.7°F
37.5°F
99%
0.08 in
80%
6%
11.6 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 9.51 μg/m3
PM10: 12.38 μg/m3
Carbon Monoxide: 214.43 μg/m3
Nitrogen Dioxide: 19.29 μg/m3
Sulphur Dioxide: 2.3 μg/m3
Ozone: 70.69 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 11:56 AM
Sunset: 5:42 PM
Daylight: 11 hrs 31 mins
Moonrise: 10:32 PM
Moon Transit: 2:37 AM
Moonset: 7:40 AM
Moon Phase: Waning Gibbous
Moon Illumination: 79.2%

Best Times for Fishing or Hunting

Major Periods

2:07 AM - 4:37 AM
5:04 PM - 7:34 PM

Minor Periods

10:02 PM - 11:32 PM
7:10 AM - 8:40 AM

Action Rating: 2 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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