Water Temperature of Stony Brook in Weston, MA

Current Water Temperature

33.3°F

Measurement Time: Tuesday, December 30, 2025, 12:40 AM EST

Temperature Locations

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Local Points of Interest

South Quarry Pond; Stony Brook Reservoir; Waltham, MA

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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

22.6°F
Clear with periodic clouds
Conditions: Clear with periodic clouds
Humidity: 43%
Heat Index: 22.6°F
Feels Like: 10.4°F
Wind: W 8.1 mph
Wind Gusts: 24 mph
Wind Chill: 10.4°F
Air Pressure: 997.48 millibars
Dew Point: 10.4°F
Chance of Precipitation: 0%
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 10 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Tue
H: 24°F
L: 19°F
Overcast
Wed
H: 32°F
L: 23°F
Partly Cloudy
Thu
H: 29°F
L: 20°F
Sunny
Fri
H: 26°F
L: 18°F
Sunny
Sat
H: 29°F
L: 20°F

Air Quality

AQI: 1 - Good
PM2.5: 1.95 μg/m3
PM10: 2.05 μg/m3
Carbon Monoxide: 162.85 μg/m3
Nitrogen Dioxide: 4.95 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:47 AM
Sunset: 4:22 PM
Daylight: 9 hrs 8 mins
Moonrise: 12:40 AM
Moon Transit: 8:21 PM
Moonset: 2:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

9:58 AM - 12:28 AM
7:51 PM - 10:21 PM

Minor Periods

12:10 AM - 1:40 PM
2:27 AM - 3:57 AM

Action Rating: 2 out of 5

High Wind Warning issued December 29 at 12:39PM EST until December 31 at 1:00AM EST by NWS Boston/Norton MA

Effective: Mon December 29, 2025, 12:39 PM
Expires: Tue December 30, 2025, 5:00 AM

* WHAT...West winds 10 to 20 mph with gusts up to 60 mph expected. * WHERE...Northern Worcester, Northern Middlesex, Western Franklin, Western Hampden, and Western Hampshire MA Counties. * WHEN...From 7 PM this evening to 1 AM EST Wednesday. * IMPACTS...Damaging winds will blow down trees and power lines. Power outages are possible. Travel will be difficult, especially for high profile vehicles.

Remain in the lower levels of your home during the windstorm, and avoid windows. Watch for falling debris and tree limbs. Use caution if you must drive.


Wind Advisory issued December 29 at 12:39PM EST until December 31 at 1:00AM EST by NWS Boston/Norton MA

Effective: Mon December 29, 2025, 12:39 PM
Expires: Tue December 30, 2025, 5:00 AM

* WHAT...West winds 10 to 20 mph with gusts up to 50 mph expected. * WHERE...Portions of northern Connecticut, eastern, northeastern, and southeastern Massachusetts, and northern and southern Rhode Island. * WHEN...From 7 PM this evening to 1 AM EST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and some power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Wind Advisory issued December 29 at 12:39PM EST until December 31 at 1:00AM EST by NWS Boston/Norton MA

Effective: Mon December 29, 2025, 12:39 PM
Expires: Tue December 30, 2025, 5:00 AM

* WHAT...West winds 10 to 20 mph with gusts up to 50 mph expected. * WHERE...Southern Worcester, Eastern Franklin, Eastern Hampden, and Eastern Hampshire MA Counties. * WHEN...From 7 PM this evening to 1 AM EST Wednesday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and some power outages may result.

Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution.


Wind Advisory issued December 30 at 12:33AM EST until December 30 at 7:00PM EST by NWS Gray ME

Effective: Tue December 30, 2025, 12:33 AM
Expires: Tue December 30, 2025, 12:45 PM

* WHAT...West winds 10 to 20 mph with gusts up to 45 mph. * WHERE...Portions of southwest, west central, and western Maine and central, northern, and southern New Hampshire. * WHEN...Until 7 PM EST this evening. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Expect the power outage threat to continue through the rest of tonight into Tuesday morning in areas that have significant ice remaining on trees. Power outage threat will remain elevated in these areas as cold air and the gusty winds cause ice loaded branches to snap.

Prepare for possible power outages and downed tree limbs.
Tuesday, December 30, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 24°F
Average Humidity: 55%
Chance of Rain: 0%
Wind: 16.6 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 2.36 μg/m3
PM10: 2.4 μg/m3
Carbon Monoxide: 176.97 μg/m3
Nitrogen Dioxide: 7.4 μg/m3
Sulphur Dioxide: 2.32 μg/m3
Ozone: 67.76 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:47 AM
Sunset: 4:22 PM
Daylight: 9 hrs 8 mins
Moonrise: 12:40 AM
Moon Transit: 8:21 PM
Moonset: 2:57 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

9:58 AM - 12:28 AM
7:51 PM - 10:21 PM

Minor Periods

12:10 AM - 1:40 PM
2:27 AM - 3:57 AM

Action Rating: 2 out of 5

Wednesday, December 31, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 26.3°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 13.2 mph
UV Index: 0.2

Air Quality

AQI: 1 - Good
PM2.5: 3.53 μg/m3
PM10: 3.61 μg/m3
Carbon Monoxide: 178.53 μg/m3
Nitrogen Dioxide: 10.97 μg/m3
Sulphur Dioxide: 2.81 μg/m3
Ozone: 69.92 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:48 AM
Sunset: 4:23 PM
Daylight: 9 hrs 9 mins
Moonrise: 1:20 PM
Moon Transit: 9:24 PM
Moonset: 4:18 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

10:58 AM - 1:28 PM
8:54 PM - 11:24 PM

Minor Periods

12:50 AM - 2:20 PM
3:48 AM - 5:18 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 24.9°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 12.1 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 8.76 μg/m3
PM10: 8.91 μg/m3
Carbon Monoxide: 226.53 μg/m3
Nitrogen Dioxide: 21.56 μg/m3
Sulphur Dioxide: 5.74 μg/m3
Ozone: 49.16 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:48 AM
Sunset: 4:24 PM
Daylight: 9 hrs 9 mins
Moonrise: 2:14 PM
Moon Transit: 10:30 PM
Moonset: 5:38 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

12:03 AM - 2:33 PM
12:00 AM - 12:00 AM

Minor Periods

1:44 PM - 3:14 PM
5:08 AM - 6:38 AM

Action Rating: 2 out of 5

Friday, January 2, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 21.6°F
Average Humidity: 54%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 5.69 μg/m3
PM10: 5.95 μg/m3
Carbon Monoxide: 209.65 μg/m3
Nitrogen Dioxide: 14.47 μg/m3
Sulphur Dioxide: 3.56 μg/m3
Ozone: 63.56 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:49 AM
Sunset: 4:24 PM
Daylight: 9 hrs 10 mins
Moonrise: 3:20 PM
Moon Transit: 11:37 PM
Moonset: 6:49 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

1:10 PM - 3:40 PM
12:00 AM - 12:00 AM

Minor Periods

2:50 PM - 4:20 PM
6:19 AM - 7:49 AM

Action Rating: 4 out of 5

Saturday, January 3, 2026

Weather Forecast

Conditions: Sunny
Average Temperature: 22.7°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 9.94 μg/m3
PM10: 10.17 μg/m3
Carbon Monoxide: 244.39 μg/m3
Nitrogen Dioxide: 23.1 μg/m3
Sulphur Dioxide: 5.17 μg/m3
Ozone: 46.92 μg/m3

Astronomical

Sunrise: 7:14 AM
Sun Transit: 11:49 AM
Sunset: 4:25 PM
Daylight: 9 hrs 11 mins
Moonrise: 4:37 PM
Moon Transit: 12:00 AM
Moonset: 7:47 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:15 PM - 4:45 PM

Minor Periods

4:07 PM - 5:37 PM
7:17 AM - 8:47 AM

Action Rating: 6 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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