Water Temperature of the Stillwater River in Sterling, MA
Current Water Temperature
48.6°F
Measurement Time: Monday, April 6, 2026, 9:30 AM 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
46°F

Partly cloudy
39.6°F
44°F
37%
WNW 14.8 mph
17 mph
36.7°F
27.7°F
0 in
75%
9 mi
1013 mbar
4.4
Five Day Weather Forecast

Mon
H: 46°F
L: 33°F

Tue
H: 46°F
L: 29°F

Wed
H: 48°F
L: 29°F

Thu
H: 56°F
L: 31°F

Fri
H: 65°F
L: 34°F
Air Quality
AQI:
1 - Good
PM2.5:
3.75 μg/m3
PM10:
4.55 μg/m3
Carbon Monoxide: 139.85 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 103 μg/m3
Nitrogen Dioxide: 2.35 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 103 μg/m3
Astronomical
Sunrise: 6:21 AM
Sun Transit: 12:49 AM
Sunset: 7:19 PM
Daylight: 12 hrs 57 mins
Sun Transit: 12:49 AM
Sunset: 7:19 PM
Daylight: 12 hrs 57 mins
Moonrise: 12:29 AM
Moon Transit: 3:53 AM
Moonset: 8:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.7%
Moon Transit: 3:53 AM
Moonset: 8:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.7%
Best Times for Fishing or Hunting
Major Periods
3:23 AM - 5:53 AM6:18 PM - 8:48 PM
Minor Periods
7:43 AM - 9:13 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Monday, April 6, 2026
Weather Forecast
Sunny
46.4°F
32.9°F
39.6°F
61%
0 in
0%
0%
16.1 mph
1.2
Air Quality
AQI:
1 - Good
PM2.5:
3.72 μg/m3
PM10:
3.91 μg/m3
Carbon Monoxide: 171.45 μg/m3
Nitrogen Dioxide: 4.27 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 85.68 μg/m3
Nitrogen Dioxide: 4.27 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 85.68 μg/m3
Astronomical
Sunrise: 6:21 AM
Sun Transit: 12:49 AM
Sunset: 7:19 PM
Daylight: 12 hrs 57 mins
Sun Transit: 12:49 AM
Sunset: 7:19 PM
Daylight: 12 hrs 57 mins
Moonrise: 12:29 AM
Moon Transit: 3:53 AM
Moonset: 8:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.7%
Moon Transit: 3:53 AM
Moonset: 8:13 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.7%
Best Times for Fishing or Hunting
Major Periods
3:23 AM - 5:53 AM6:18 PM - 8:48 PM
Minor Periods
7:43 AM - 9:13 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Tuesday, April 7, 2026
Weather Forecast
Overcast
46.4°F
29.3°F
39°F
57%
0 in
0%
0%
11.4 mph
1
Air Quality
AQI:
1 - Good
PM2.5:
9.77 μg/m3
PM10:
10.83 μg/m3
Carbon Monoxide: 184.01 μg/m3
Nitrogen Dioxide: 12.2 μg/m3
Sulphur Dioxide: 2.99 μg/m3
Ozone: 75 μg/m3
Nitrogen Dioxide: 12.2 μg/m3
Sulphur Dioxide: 2.99 μg/m3
Ozone: 75 μg/m3
Astronomical
Sunrise: 6:20 AM
Sun Transit: 12:49 AM
Sunset: 7:20 PM
Daylight: 13 hrs mins
Sun Transit: 12:49 AM
Sunset: 7:20 PM
Daylight: 13 hrs mins
Moonrise: 12:30 AM
Moon Transit: 4:43 AM
Moonset: 8:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 64.3%
Moon Transit: 4:43 AM
Moonset: 8:55 AM
Moon Phase: Waning Gibbous
Moon Illumination: 64.3%
Best Times for Fishing or Hunting
Major Periods
4:13 AM - 6:43 AM7:10 PM - 9:40 PM
Minor Periods
8:25 AM - 9:55 AM12:00 AM - 1:30 AM
Action Rating: 4 out of 5
Wednesday, April 8, 2026
Weather Forecast
Sunny
48°F
28.9°F
37.8°F
40%
0 in
0%
0%
8.1 mph
1.3
Air Quality
AQI:
1 - Good
PM2.5:
3.88 μg/m3
PM10:
4.62 μg/m3
Carbon Monoxide: 181.37 μg/m3
Nitrogen Dioxide: 4.94 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 94.68 μg/m3
Nitrogen Dioxide: 4.94 μg/m3
Sulphur Dioxide: 1.95 μg/m3
Ozone: 94.68 μg/m3
Astronomical
Sunrise: 6:18 AM
Sun Transit: 12:48 AM
Sunset: 7:21 PM
Daylight: 13 hrs 3 mins
Sun Transit: 12:48 AM
Sunset: 7:21 PM
Daylight: 13 hrs 3 mins
Moonrise: 1:25 AM
Moon Transit: 5:35 AM
Moonset: 9:45 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%
Moon Transit: 5:35 AM
Moonset: 9:45 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%
Best Times for Fishing or Hunting
Major Periods
5:05 AM - 7:35 AM8:01 PM - 10:31 PM
Minor Periods
9:15 AM - 10:45 AM12:55 AM - 2:25 AM
Action Rating: 2 out of 5
Thursday, April 9, 2026
Weather Forecast
Sunny
55.6°F
31.1°F
41.1°F
60%
0 in
0%
0%
10.5 mph
1.4
Air Quality
AQI:
1 - Good
PM2.5:
10.18 μg/m3
PM10:
12.21 μg/m3
Carbon Monoxide: 193.79 μg/m3
Nitrogen Dioxide: 12.63 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 81.16 μg/m3
Nitrogen Dioxide: 12.63 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 81.16 μg/m3
Astronomical
Sunrise: 6:16 AM
Sun Transit: 12:48 AM
Sunset: 7:22 PM
Daylight: 13 hrs 6 mins
Sun Transit: 12:48 AM
Sunset: 7:22 PM
Daylight: 13 hrs 6 mins
Moonrise: 2:13 AM
Moon Transit: 6:26 AM
Moonset: 10:44 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%
Moon Transit: 6:26 AM
Moonset: 10:44 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%
Best Times for Fishing or Hunting
Major Periods
5:56 AM - 8:26 AM8:52 PM - 11:22 PM
Minor Periods
10:14 AM - 11:44 AM1:43 AM - 3:13 AM
Action Rating: 3 out of 5
Friday, April 10, 2026
Weather Forecast
Sunny
64.9°F
33.9°F
48.1°F
67%
0 in
0%
0%
9.4 mph
0.1
Air Quality
AQI:
1 - Good
PM2.5:
9.68 μg/m3
PM10:
14.31 μg/m3
Carbon Monoxide: 167.04 μg/m3
Nitrogen Dioxide: 5.29 μg/m3
Sulphur Dioxide: 2.61 μg/m3
Ozone: 90.69 μg/m3
Nitrogen Dioxide: 5.29 μg/m3
Sulphur Dioxide: 2.61 μg/m3
Ozone: 90.69 μg/m3
Astronomical
Sunrise: 6:14 AM
Sun Transit: 12:48 AM
Sunset: 7:23 PM
Daylight: 13 hrs 9 mins
Sun Transit: 12:48 AM
Sunset: 7:23 PM
Daylight: 13 hrs 9 mins
Moonrise: 2:52 AM
Moon Transit: 7:16 AM
Moonset: 11:47 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%
Moon Transit: 7:16 AM
Moonset: 11:47 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%
Best Times for Fishing or Hunting
Major Periods
6:46 AM - 9:16 AM12:00 AM - 12:00 AM
Minor Periods
11:17 AM - 12:47 AM2:22 AM - 3:52 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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