Water Temperature of the Stillwater River in Sterling, MA

Current Water Temperature

63.5°F

Measurement Time: Thursday, April 16, 2026, 12:30 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

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 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 mi)
Cambridge Reservoir Tributary 2, Lexington, MA (27.1 mi)

Weather for Sterling, Massachusetts

Current Weather

75.9°F
Sunny
Sunny
79.2°F
84.9°F
60%
WSW 8.9 mph
13 mph
79.5°F
74°F
0 in
25%
9 mi
1008 mbar
1.1

Five Day Weather Forecast

Moderate rain
Thu
H: 82°F
L: 50°F
Overcast
Fri
H: 67°F
L: 51°F
Overcast
Sat
H: 54°F
L: 43°F
Heavy rain
Sun
H: 50°F
L: 38°F
Patchy rain nearby
Mon
H: 45°F
L: 29°F

Air Quality

AQI: 1 - Good
PM2.5: 17.35 μg/m3
PM10: 18.15 μg/m3
Carbon Monoxide: 273.85 μg/m3
Nitrogen Dioxide: 23.25 μg/m3
Sulphur Dioxide: 4.55 μg/m3
Ozone: 88 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:46 AM
Sunset: 7:30 PM
Daylight: 13 hrs 25 mins
Moonrise: 5:21 AM
Moon Transit: 12:00 AM
Moonset: 6:53 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:35 AM - 4:05 AM

Minor Periods

6:23 PM - 7:53 PM
4:51 AM - 6:21 AM

Action Rating: 5 out of 5

Thursday, April 16, 2026

Weather Forecast

Moderate rain
82°F
49.6°F
61.5°F
92%
0.4 in
88%
0%
9.6 mph
1.3


Air Quality

AQI: 2 - Moderate
PM2.5: 15.99 μg/m3
PM10: 16.77 μg/m3
Carbon Monoxide: 197.61 μg/m3
Nitrogen Dioxide: 15.46 μg/m3
Sulphur Dioxide: 3.82 μg/m3
Ozone: 85.52 μg/m3

Astronomical

Sunrise: 6:05 AM
Sun Transit: 12:46 AM
Sunset: 7:30 PM
Daylight: 13 hrs 25 mins
Moonrise: 5:21 AM
Moon Transit: 12:00 AM
Moonset: 6:53 PM
Moon Phase: New
Moon Illumination: 0.8%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:35 AM - 4:05 AM

Minor Periods

6:23 PM - 7:53 PM
4:51 AM - 6:21 AM

Action Rating: 5 out of 5

Friday, April 17, 2026

Weather Forecast

Overcast
67.1°F
50.5°F
61.7°F
81%
0 in
0%
0%
11 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 11.45 μg/m3
PM10: 11.83 μg/m3
Carbon Monoxide: 222.69 μg/m3
Nitrogen Dioxide: 13.85 μg/m3
Sulphur Dioxide: 3.35 μg/m3
Ozone: 84.72 μg/m3

Astronomical

Sunrise: 6:03 AM
Sun Transit: 12:46 AM
Sunset: 7:31 PM
Daylight: 13 hrs 28 mins
Moonrise: 5:46 AM
Moon Transit: 12:51 AM
Moonset: 8:13 PM
Moon Phase: New
Moon Illumination: 4.1%

Best Times for Fishing or Hunting

Major Periods

2:26 AM - 4:56 AM
12:21 AM - 2:51 PM

Minor Periods

7:43 PM - 9:13 PM
5:16 AM - 6:46 AM

Action Rating: 4 out of 5

Saturday, April 18, 2026

Weather Forecast

Overcast
54°F
43.2°F
50.3°F
92%
0 in
0%
0%
9.4 mph
1.7


Air Quality

AQI: 1 - Good
PM2.5: 9.25 μg/m3
PM10: 9.66 μg/m3
Carbon Monoxide: 205.21 μg/m3
Nitrogen Dioxide: 13.2 μg/m3
Sulphur Dioxide: 2.73 μg/m3
Ozone: 72.68 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:46 AM
Sunset: 7:32 PM
Daylight: 13 hrs 31 mins
Moonrise: 6:16 AM
Moon Transit: 1:47 PM
Moonset: 9:35 PM
Moon Phase: New
Moon Illumination: 1.2%

Best Times for Fishing or Hunting

Major Periods

3:20 AM - 5:50 AM
1:17 PM - 3:47 PM

Minor Periods

9:05 PM - 10:35 PM
5:46 AM - 7:16 AM

Action Rating: 5 out of 5

Sunday, April 19, 2026

Weather Forecast

Heavy rain
50.2°F
37.9°F
43.4°F
93%
1.3 in
88%
0%
13 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 8.29 μg/m3
PM10: 8.87 μg/m3
Carbon Monoxide: 191.64 μg/m3
Nitrogen Dioxide: 11.24 μg/m3
Sulphur Dioxide: 2.59 μg/m3
Ozone: 76.88 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:46 AM
Sunset: 7:33 PM
Daylight: 13 hrs 34 mins
Moonrise: 6:53 AM
Moon Transit: 2:48 PM
Moonset: 10:57 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%

Best Times for Fishing or Hunting

Major Periods

4:19 AM - 6:49 AM
2:18 PM - 4:48 PM

Minor Periods

10:27 PM - 11:57 PM
6:23 AM - 7:53 AM

Action Rating: 3 out of 5

Monday, April 20, 2026

Weather Forecast

Patchy rain nearby
44.5°F
29.4°F
37.7°F
60%
0.03 in
88%
0%
12.8 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 3.15 μg/m3
PM10: 3.33 μg/m3
Carbon Monoxide: 175.87 μg/m3
Nitrogen Dioxide: 4.7 μg/m3
Sulphur Dioxide: 1.78 μg/m3
Ozone: 82.23 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 12:46 AM
Sunset: 7:34 PM
Daylight: 13 hrs 36 mins
Moonrise: 7:40 AM
Moon Transit: 3:53 PM
Moonset: 12:11 PM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%

Best Times for Fishing or Hunting

Major Periods

5:22 AM - 7:52 AM
3:23 PM - 5:53 PM

Minor Periods

12:00 AM - 12:00 AM
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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