Water Temperature of the Peconic River in Riverhead, NY

Current Water Temperature

73.0°F

Measurement Time: Monday, August 25, 2025, 5:54 PM EDT

Temperature Locations

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Local Points of Interest

Colonels Island; Flanders, NY

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Peconic River

Station Name: PECONIC RIVER AT COUNTY HWY 105 AT RIVERHEAD NY
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
Cross River Dr
Riverhead, NY 11946
Suffolk County

GPS Coordinates: 40.91777778, -72.6386667

Nearby Water Temperatures

Orient Harbor, Orient, NY (23.0 mi)
Flax Pond, Old Field, NY (26.5 mi)
Great South Bay, West Sayville, NY (27.3 mi)
New Haven Harbor, New Haven, CT (28.9 mi)
Connecticut River, Old Lyme, CT (31.2 mi)
Housatonic River, Stratford, CT (31.3 mi)
Bridgeport Harbor, Bridgeport, CT (33.4 mi)
Rooster River, Bridgeport, CT (35.2 mi)
Fort Pond Bay, Montauk, NY (36.6 mi)
Mill River, Southport, CT (36.7 mi)
Mill River, Fairfield, CT (36.8 mi)
Quinnipiac River, Wallingford, CT (38.3 mi)
East Branch Eightmile River, Lyme, CT (38.6 mi)
Eightmile River, East Haddam, CT (39.5 mi)
Saugatuck River, Westport, CT (40.1 mi)

Weather for Riverhead, New York

Current Weather

68.2°F
Partly Cloudy
Conditions: Partly Cloudy
Humidity: 73%
Feels Like: 68.2°F
Wind: NW 11 mph
Wind Gusts: 19.2 mph
Pressure: 29.88 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Mon
H: 79°F
L: 69°F
Sunny
Tue
H: 81°F
L: 64°F
Sunny
Wed
H: 77°F
L: 64°F
Cloudy
Thu
H: 74°F
L: 61°F
Patchy rain nearby
Fri
H: 72°F
L: 65°F

Air Quality

AQI: 2 - Moderate
PM2.5: 10.55 μg/m3
PM10: 12.03 μg/m3
Carbon Monoxide: 347.8 μg/m3
Nitrogen Dioxide: 18.5 μg/m3
Sulphur Dioxide: 4.07 μg/m3
Ozone: 57 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:52 AM
Sunset: 7:33 PM
Daylight: 13 hrs 23 mins
Moonrise: 8:33 AM
Moon Transit: 2:39 PM
Moonset: 8:37 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

4:12 AM - 6:42 AM
2:09 PM - 4:39 PM

Minor Periods

8:07 PM - 9:37 PM
8:03 AM - 9:33 AM

Action Rating: 3 out of 5

Monday, August 25, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 73.6°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 15 mph
UV Index: 1.9

Air Quality

AQI: 2 - Moderate
PM2.5: 18.72 μg/m3
PM10: 24.73 μg/m3
Carbon Monoxide: 300.44 μg/m3
Nitrogen Dioxide: 8.19 μg/m3
Sulphur Dioxide: 2.81 μg/m3
Ozone: 91.08 μg/m3

Astronomical

Sunrise: 6:11 AM
Sun Transit: 12:52 AM
Sunset: 7:33 PM
Daylight: 13 hrs 23 mins
Moonrise: 8:33 AM
Moon Transit: 2:39 PM
Moonset: 8:37 PM
Moon Phase: New
Moon Illumination: 1.9%

Best Times for Fishing or Hunting

Major Periods

4:12 AM - 6:42 AM
2:09 PM - 4:39 PM

Minor Periods

8:07 PM - 9:37 PM
8:03 AM - 9:33 AM

Action Rating: 3 out of 5

Tuesday, August 26, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 72.1°F
Average Humidity: 56%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 1.8

Air Quality

AQI: 1 - Good
PM2.5: 10.92 μg/m3
PM10: 12.82 μg/m3
Carbon Monoxide: 340.99 μg/m3
Nitrogen Dioxide: 12.86 μg/m3
Sulphur Dioxide: 4.28 μg/m3
Ozone: 86.64 μg/m3

Astronomical

Sunrise: 6:12 AM
Sun Transit: 12:52 AM
Sunset: 7:32 PM
Daylight: 13 hrs 20 mins
Moonrise: 9:35 AM
Moon Transit: 3:20 PM
Moonset: 8:56 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.1%

Best Times for Fishing or Hunting

Major Periods

4:53 AM - 7:23 AM
2:50 PM - 5:20 PM

Minor Periods

8:26 PM - 9:56 PM
9:05 AM - 10:35 AM

Action Rating: 2 out of 5

Wednesday, August 27, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 69.4°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 11.87 μg/m3
PM10: 13.85 μg/m3
Carbon Monoxide: 324.71 μg/m3
Nitrogen Dioxide: 14.72 μg/m3
Sulphur Dioxide: 4.37 μg/m3
Ozone: 85.4 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 12:51 AM
Sunset: 7:30 PM
Daylight: 13 hrs 17 mins
Moonrise: 10:37 AM
Moon Transit: 4:01 PM
Moonset: 9:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 12.6%

Best Times for Fishing or Hunting

Major Periods

5:33 AM - 8:03 AM
3:31 PM - 6:01 PM

Minor Periods

8:47 PM - 10:17 PM
10:07 AM - 11:37 AM

Action Rating: 2 out of 5

Thursday, August 28, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 68.3°F
Average Humidity: 60%
Chance of Rain: 0%
Wind: 21.3 mph
UV Index: 1.5

Air Quality

AQI: 1 - Good
PM2.5: 11.85 μg/m3
PM10: 13.76 μg/m3
Carbon Monoxide: 307.69 μg/m3
Nitrogen Dioxide: 15.75 μg/m3
Sulphur Dioxide: 5.56 μg/m3
Ozone: 86.88 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 12:51 AM
Sunset: 7:29 PM
Daylight: 13 hrs 15 mins
Moonrise: 11:40 AM
Moon Transit: 4:44 PM
Moonset: 9:41 PM
Moon Phase: Waxing Crescent
Moon Illumination: 21.1%

Best Times for Fishing or Hunting

Major Periods

6:15 AM - 8:45 AM
4:14 PM - 6:44 PM

Minor Periods

9:11 PM - 10:41 PM
11:10 AM - 12:40 AM

Action Rating: 3 out of 5

Friday, August 29, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 69.5°F
Average Humidity: 61%
Chance of Rain: 86%
Wind: 21.5 mph
UV Index: 1.2

Air Quality

AQI: 2 - Moderate
PM2.5: 19.82 μg/m3
PM10: 24.42 μg/m3
Carbon Monoxide: 303.83 μg/m3
Nitrogen Dioxide: 7.2 μg/m3
Sulphur Dioxide: 4.47 μg/m3
Ozone: 122.62 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 12:51 AM
Sunset: 7:27 PM
Daylight: 13 hrs 12 mins
Moonrise: 12:44 AM
Moon Transit: 5:29 PM
Moonset: 10:09 PM
Moon Phase: Waxing Crescent
Moon Illumination: 31.0%

Best Times for Fishing or Hunting

Major Periods

6:59 AM - 9:29 AM
4:59 PM - 7:29 PM

Minor Periods

9:39 PM - 11:09 PM
12:14 AM - 1:44 PM

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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