Water Temperature of Stony Brook in Weston, MA

Current Water Temperature

74.3°F

Measurement Time: Wednesday, July 23, 2025, 8:10 PM EDT

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 / 32 meters

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 (1.0 mi)
Stony Brook, Weston, MA (1.5 mi)
Stony Brook, Waltham, MA (2.0 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

68°F
Clear
Conditions: Clear
Humidity: 76%
Feels Like: 68°F
Wind: SSW 8.5 mph
Wind Gusts: 14 mph
Pressure: 30.18 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Thu
H: 92°F
L: 68°F
Sunny
Fri
H: 97°F
L: 71°F
Partly Cloudy
Sat
H: 82°F
L: 70°F
Moderate rain
Sun
H: 86°F
L: 67°F
Partly Cloudy
Mon
H: 94°F
L: 66°F

Air Quality

PM2.5: 8.14 μg/m3
PM10: 9.62 μg/m3
Carbon Monoxide: 296 μg/m3
Nitrogen Dioxide: 14.43 μg/m3
Sulphur Dioxide: 3.89 μg/m3
Ozone: 70 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:51 AM
Sunset: 8:13 PM
Daylight: 14 hrs 43 mins
Moonrise: 4:52 AM
Moon Transit: 12:50 AM
Moonset: 8:35 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
12:20 AM - 2:50 PM

Minor Periods

8:05 PM - 9:35 PM
4:22 AM - 5:52 AM

Action Rating: 5 out of 5

Heat Advisory issued July 23 at 1:31PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Wed July 23, 2025, 1:31 PM
Expires: Thu July 24, 2025, 2:45 AM

* WHAT...Heat index values up to 103 expected. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 11 AM Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued July 23 at 1:31PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Wed July 23, 2025, 1:31 PM
Expires: Thu July 24, 2025, 2:45 AM

* WHAT...Heat index values up to 103 expected. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 11 AM Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued July 23 at 1:31PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Wed July 23, 2025, 1:31 PM
Expires: Thu July 24, 2025, 2:45 AM

* WHAT...Heat index values up to 103 expected. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 11 AM Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued July 23 at 1:31PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Wed July 23, 2025, 1:31 PM
Expires: Thu July 24, 2025, 2:45 AM

* WHAT...Heat index values up to 103 expected. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 11 AM Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.


Heat Advisory issued July 23 at 1:31PM EDT until July 25 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Wed July 23, 2025, 1:31 PM
Expires: Thu July 24, 2025, 2:45 AM

* WHAT...Heat index values up to 103 expected. * WHERE...Portions of northern Connecticut, central, eastern, northeastern, southeastern, and western Massachusetts, and northern Rhode Island. * WHEN...From 11 AM Thursday to 8 PM EDT Friday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Thursday, July 24, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 78.3°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 12.3 mph
UV Index: 2.4

Air Quality

AQI: 2 - Moderate
PM2.5: 16.61 μg/m3
PM10: 17.69 μg/m3
Carbon Monoxide: 375.4 μg/m3
Nitrogen Dioxide: 14.84 μg/m3
Sulphur Dioxide: 5.05 μg/m3
Ozone: 114.32 μg/m3

Astronomical

Sunrise: 5:30 AM
Sun Transit: 12:51 AM
Sunset: 8:13 PM
Daylight: 14 hrs 43 mins
Moonrise: 4:52 AM
Moon Transit: 12:50 AM
Moonset: 8:35 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

2:27 AM - 4:57 AM
12:20 AM - 2:50 PM

Minor Periods

8:05 PM - 9:35 PM
4:22 AM - 5:52 AM

Action Rating: 5 out of 5

Friday, July 25, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 81.5°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 13 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 20.29 μg/m3
PM10: 20.96 μg/m3
Carbon Monoxide: 416.62 μg/m3
Nitrogen Dioxide: 16.05 μg/m3
Sulphur Dioxide: 7.98 μg/m3
Ozone: 120.24 μg/m3

Astronomical

Sunrise: 5:31 AM
Sun Transit: 12:51 AM
Sunset: 8:12 PM
Daylight: 14 hrs 41 mins
Moonrise: 6:08 AM
Moon Transit: 1:43 PM
Moonset: 9:05 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

3:22 AM - 5:52 AM
1:13 PM - 3:43 PM

Minor Periods

8:35 PM - 10:05 PM
5:38 AM - 7:08 AM

Action Rating: 6 out of 5

Saturday, July 26, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 76.6°F
Average Humidity: 54%
Chance of Rain: 0%
Wind: 9.8 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 21.86 μg/m3
PM10: 22.56 μg/m3
Carbon Monoxide: 515.56 μg/m3
Nitrogen Dioxide: 18.63 μg/m3
Sulphur Dioxide: 5.91 μg/m3
Ozone: 97.6 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 12:51 AM
Sunset: 8:11 PM
Daylight: 14 hrs 39 mins
Moonrise: 7:21 AM
Moon Transit: 2:32 PM
Moonset: 9:29 PM
Moon Phase: New
Moon Illumination: 0.7%

Best Times for Fishing or Hunting

Major Periods

4:13 AM - 6:43 AM
2:02 PM - 4:32 PM

Minor Periods

8:59 PM - 10:29 PM
6:51 AM - 8:21 AM

Action Rating: 3 out of 5

Sunday, July 27, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 75.1°F
Average Humidity: 70%
Chance of Rain: 87%
Wind: 15 mph
UV Index: 0.2

Air Quality

AQI: 2 - Moderate
PM2.5: 26.33 μg/m3
PM10: 28.32 μg/m3
Carbon Monoxide: 666.57 μg/m3
Nitrogen Dioxide: 44.83 μg/m3
Sulphur Dioxide: 6.09 μg/m3
Ozone: 47.38 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 12:51 AM
Sunset: 8:10 PM
Daylight: 14 hrs 37 mins
Moonrise: 8:32 AM
Moon Transit: 3:16 PM
Moonset: 9:49 PM
Moon Phase: New
Moon Illumination: 3.8%

Best Times for Fishing or Hunting

Major Periods

4:59 AM - 7:29 AM
2:46 PM - 5:16 PM

Minor Periods

9:19 PM - 10:49 PM
8:02 AM - 9:32 AM

Action Rating: 3 out of 5

Monday, July 28, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 76.6°F
Average Humidity: 74%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 6

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: 5:34 AM
Sun Transit: 12:51 AM
Sunset: 8:09 PM
Daylight: 14 hrs 35 mins
Moonrise: 9:37 AM
Moon Transit: 3:58 PM
Moonset: 10:08 PM
Moon Phase: Waxing Crescent
Moon Illumination: 9.3%

Best Times for Fishing or Hunting

Major Periods

5:42 AM - 8:12 AM
3:28 PM - 5:58 PM

Minor Periods

9:38 PM - 11:08 PM
9:07 AM - 10:37 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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