Water Temperature of the Stillwater River in Sterling, MA

Current Water Temperature

67.6°F

Measurement Time: Thursday, August 7, 2025, 7:30 PM EDT

Temperature Locations

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Stillwater River

Station Name: STILLWATER RIVER NEAR STERLING, MA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 423 feet / 129 meters

Nearest Address:
98 Dana Hill Rd
Sterling, MA 01564
Worcester County

GPS Coordinates: 42.41092507, -71.7911829

Nearby Water Temperatures

Quinapoxet River, Holden, MA (3.2 mi)
Gates Brook, West Boylston, MA (3.3 mi)
Nashua River, Clinton, MA (6.4 mi)
Ware River, Barre, MA (14.0 mi)
Stony Brook, Weston, MA (25.7 mi)
Stony Brook, Waltham, MA (26.4 mi)
Stony Brook Tributary, Weston, MA (26.5 mi)
Cambridge Reservoir, Lincoln, MA (26.5 mi)
Hobbs Brook, Lincoln, MA (26.7 mi)
Stony Brook Tributary, Waltham, MA (26.7 mi)
Stony Brook, Weston, MA (26.7 mi)
Shawsheen River, Bedford, MA (26.7 mi)
Cambridge Reservoir Tributary 1, Lexington, MA (26.9 mi)
Stony Brook Reservoir Tributary, Weston, MA (27.0 mi)
Cambridge Reservoir Tributary 2, Lexington, MA (27.1 mi)

Weather for Sterling, Massachusetts

Current Weather

63°F
Clear
Conditions: Clear
Humidity: 65%
Feels Like: 63°F
Wind: SW 3.8 mph
Wind Gusts: 8 mph
Pressure: 30.34 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Thu
H: 84°F
L: 61°F
Sunny
Fri
H: 76°F
L: 58°F
Sunny
Sat
H: 83°F
L: 59°F
Sunny
Sun
H: 87°F
L: 61°F
Patchy rain nearby
Mon
H: 91°F
L: 67°F

Air Quality

AQI: 2 - Moderate
PM2.5: 6.48 μg/m3
PM10: 7.4 μg/m3
Carbon Monoxide: 344.1 μg/m3
Nitrogen Dioxide: 16.47 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:52 AM
Sunset: 7:59 PM
Daylight: 14 hrs 13 mins
Moonrise: 7:26 PM
Moon Transit: 11:57 PM
Moonset: 3:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

1:32 PM - 4:02 PM
12:00 AM - 12:00 AM

Minor Periods

6:56 PM - 8:26 PM
2:55 AM - 4:25 AM

Action Rating: 3 out of 5

Thursday, August 7, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 72.5°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 6.7 mph
UV Index: 2

Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 45.65 μg/m3
PM10: 46.52 μg/m3
Carbon Monoxide: 466.57 μg/m3
Nitrogen Dioxide: 23.19 μg/m3
Sulphur Dioxide: 5.04 μg/m3
Ozone: 90.4 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:52 AM
Sunset: 7:59 PM
Daylight: 14 hrs 13 mins
Moonrise: 7:26 PM
Moon Transit: 11:57 PM
Moonset: 3:25 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

1:32 PM - 4:02 PM
12:00 AM - 12:00 AM

Minor Periods

6:56 PM - 8:26 PM
2:55 AM - 4:25 AM

Action Rating: 3 out of 5

Friday, August 8, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 68.9°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 8.1 mph
UV Index: 1.8

Air Quality

AQI: 1 - Good
PM2.5: 11.77 μg/m3
PM10: 12.25 μg/m3
Carbon Monoxide: 343.51 μg/m3
Nitrogen Dioxide: 13.27 μg/m3
Sulphur Dioxide: 2.69 μg/m3
Ozone: 92.88 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 12:52 AM
Sunset: 7:58 PM
Daylight: 14 hrs 11 mins
Moonrise: 7:58 PM
Moon Transit: 12:00 AM
Moonset: 4:37 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:24 PM - 4:54 PM

Minor Periods

7:28 PM - 8:58 PM
4:07 AM - 5:37 AM

Action Rating: 5 out of 5

Saturday, August 9, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 71.3°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 4.5 mph
UV Index: 2

Air Quality

AQI: 1 - Good
PM2.5: 13.84 μg/m3
PM10: 14.35 μg/m3
Carbon Monoxide: 338.11 μg/m3
Nitrogen Dioxide: 12.42 μg/m3
Sulphur Dioxide: 2.94 μg/m3
Ozone: 98.84 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 12:52 AM
Sunset: 7:56 PM
Daylight: 14 hrs 8 mins
Moonrise: 8:25 PM
Moon Transit: 12:49 AM
Moonset: 5:50 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 AM
3:15 PM - 5:45 PM

Minor Periods

7:55 PM - 9:25 PM
5:20 AM - 6:50 AM

Action Rating: 5 out of 5

Sunday, August 10, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 73.9°F
Average Humidity: 59%
Chance of Rain: 0%
Wind: 4.7 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 18.95 μg/m3
PM10: 20.93 μg/m3
Carbon Monoxide: 391.39 μg/m3
Nitrogen Dioxide: 12.23 μg/m3
Sulphur Dioxide: 3.52 μg/m3
Ozone: 108.8 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 12:52 AM
Sunset: 7:55 PM
Daylight: 14 hrs 6 mins
Moonrise: 8:49 PM
Moon Transit: 1:39 AM
Moonset: 7:04 AM
Moon Phase: Full
Moon Illumination: 95.5%

Best Times for Fishing or Hunting

Major Periods

1:09 AM - 3:39 AM
4:04 PM - 6:34 PM

Minor Periods

8:19 PM - 9:49 PM
6:34 AM - 8:04 AM

Action Rating: 4 out of 5

Monday, August 11, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 76.5°F
Average Humidity: 62%
Chance of Rain: 85%
Wind: 5.8 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 23.61 μg/m3
PM10: 24.41 μg/m3
Carbon Monoxide: 459.08 μg/m3
Nitrogen Dioxide: 15.88 μg/m3
Sulphur Dioxide: 7.17 μg/m3
Ozone: 109.54 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 12:52 AM
Sunset: 7:54 PM
Daylight: 14 hrs 3 mins
Moonrise: 9:10 PM
Moon Transit: 2:27 AM
Moonset: 8:19 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.6%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

8:40 PM - 10:10 PM
7:49 AM - 9:19 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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