Water Temperature of the Stillwater River in Sterling, MA

Current Water Temperature

72.0°F

Measurement Time: Monday, June 29, 2026, 8:30 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

84.9°F
Sunny
Sunny
84.1°F
86.6°F
39%
NE 5.1 mph
5.9 mph
87.1°F
57°F
0 in
0%
9 mi
1019 mbar
8.4

Five Day Weather Forecast

Sunny
Mon
H: 89°F
L: 62°F
Sunny
Tue
H: 90°F
L: 60°F
Mist
Wed
H: 98°F
L: 66°F
Sunny
Thu
H: 101°F
L: 70°F
Sunny
Fri
H: 99°F
L: 76°F

Air Quality

PM2.5: 11.4 μg/m3
PM10: 11.9 μg/m3
Carbon Monoxide: 110 μg/m3
Nitrogen Dioxide: 1.2 μg/m3
Sulphur Dioxide: 0.6 μg/m3
Ozone: 111 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 12:50 AM
Sunset: 8:29 PM
Daylight: 15 hrs 16 mins
Moonrise: 8:47 PM
Moon Transit: 12:11 AM
Moonset: 4:24 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:37 PM - 5:07 PM

Minor Periods

8:17 PM - 9:47 PM
3:54 AM - 5:24 AM

Action Rating: 5 out of 5

Extreme Heat Watch issued June 29 at 2:00AM EDT until July 3 at 8:00PM EDT by NWS Boston/Norton MA

Effective: Mon June 29, 2026, 2:00 AM
Expires: Mon June 29, 2026, 5:00 PM

* WHAT...Dangerously hot conditions with heat index values up to 111 possible. * WHERE...Portions of northern Connecticut, the majority of Massachusetts, and Rhode Island. * WHEN...From Wednesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. Monitor the latest forecasts and warnings for updates.
Monday, June 29, 2026

Weather Forecast

Sunny
89.4°F
61.9°F
74.5°F
59%
0 in
3%
0%
6.7 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 13.46 μg/m3
PM10: 13.83 μg/m3
Carbon Monoxide: 162.17 μg/m3
Nitrogen Dioxide: 7.39 μg/m3
Sulphur Dioxide: 0.62 μg/m3
Ozone: 92.08 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 12:50 AM
Sunset: 8:29 PM
Daylight: 15 hrs 16 mins
Moonrise: 8:47 PM
Moon Transit: 12:11 AM
Moonset: 4:24 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:37 PM - 5:07 PM

Minor Periods

8:17 PM - 9:47 PM
3:54 AM - 5:24 AM

Action Rating: 5 out of 5

Tuesday, June 30, 2026

Weather Forecast

Sunny
89.7°F
60°F
74.5°F
70%
0.04 in
41%
0%
11.2 mph
8.7


Air Quality

AQI: 1 - Good
PM2.5: 12.88 μg/m3
PM10: 13.36 μg/m3
Carbon Monoxide: 154.83 μg/m3
Nitrogen Dioxide: 5 μg/m3
Sulphur Dioxide: 1.08 μg/m3
Ozone: 111.46 μg/m3

Astronomical

Sunrise: 5:13 AM
Sun Transit: 12:50 AM
Sunset: 8:28 PM
Daylight: 15 hrs 15 mins
Moonrise: 9:25 PM
Moon Transit: 1:02 AM
Moonset: 5:21 AM
Moon Phase: Full
Moon Illumination: 98.6%

Best Times for Fishing or Hunting

Major Periods

12:32 AM - 3:02 AM
3:28 PM - 5:58 PM

Minor Periods

8:55 PM - 10:25 PM
4:51 AM - 6:21 AM

Action Rating: 5 out of 5

Wednesday, July 1, 2026

Weather Forecast

Mist
98.3°F
66.4°F
76.5°F
84%
0.29 in
80%
0%
13.4 mph
7.8


Air Quality

AQI: 1 - Good
PM2.5: 9.21 μg/m3
PM10: 10.14 μg/m3
Carbon Monoxide: 163.6 μg/m3
Nitrogen Dioxide: 5.4 μg/m3
Sulphur Dioxide: 1.14 μg/m3
Ozone: 101.54 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 12:51 AM
Sunset: 8:28 PM
Daylight: 15 hrs 14 mins
Moonrise: 9:57 PM
Moon Transit: 1:52 AM
Moonset: 6:25 AM
Moon Phase: Full
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

1:22 AM - 3:52 AM
4:16 PM - 6:46 PM

Minor Periods

9:27 PM - 10:57 PM
5:55 AM - 7:25 AM

Action Rating: 3 out of 5

Thursday, July 2, 2026

Weather Forecast

Sunny
101°F
70.2°F
85°F
65%
0 in
7%
0%
11.9 mph
9.6


Air Quality

AQI: 1 - Good
PM2.5: 11.92 μg/m3
PM10: 14.41 μg/m3
Carbon Monoxide: 220.19 μg/m3
Nitrogen Dioxide: 3.92 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 103.71 μg/m3

Astronomical

Sunrise: 5:14 AM
Sun Transit: 12:51 AM
Sunset: 8:28 PM
Daylight: 15 hrs 14 mins
Moonrise: 10:24 PM
Moon Transit: 2:39 AM
Moonset: 7:29 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

2:09 AM - 4:39 AM
5:03 PM - 7:33 PM

Minor Periods

9:54 PM - 11:24 PM
6:59 AM - 8:29 AM

Action Rating: 2 out of 5

Friday, July 3, 2026

Weather Forecast

Sunny
99.1°F
75.5°F
85.8°F
60%
0.03 in
36%
0%
10.1 mph
9


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: 5:15 AM
Sun Transit: 12:51 AM
Sunset: 8:28 PM
Daylight: 15 hrs 13 mins
Moonrise: 10:47 PM
Moon Transit: 3:25 AM
Moonset: 8:36 AM
Moon Phase: Waning Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

2:55 AM - 5:25 AM
5:47 PM - 8:17 PM

Minor Periods

10:17 PM - 11:47 PM
8:06 AM - 9:36 AM

Action Rating: 4 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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