Water Temperature of the Peconic River in Riverhead, NY

Current Water Temperature

42.6°F

Measurement Time: Tuesday, November 18, 2025, 7:54 AM EST

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

46.9°F
Sunny
Conditions: Sunny
Humidity: 42%
Feels Like: 40.3°F
Wind: WNW 16.8 mph
Wind Gusts: 20 mph
Pressure: 30.1 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 1.8

Five Day Weather Forecast

Sunny
Tue
H: 47°F
L: 33°F
Sunny
Wed
H: 48°F
L: 37°F
Partly Cloudy
Thu
H: 47°F
L: 39°F
Patchy rain nearby
Fri
H: 55°F
L: 46°F
Moderate rain
Sat
H: 47°F
L: 43°F

Air Quality

AQI: 1 - Good
PM2.5: 3.95 μg/m3
PM10: 4.25 μg/m3
Carbon Monoxide: 192.85 μg/m3
Nitrogen Dioxide: 13.45 μg/m3
Sulphur Dioxide: 3.05 μg/m3
Ozone: 50 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 11:35 AM
Sunset: 4:30 PM
Daylight: 9 hrs 48 mins
Moonrise: 5:13 AM
Moon Transit: 10:18 AM
Moonset: 3:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:48 AM - 12:18 AM

Minor Periods

2:47 PM - 4:17 PM
4:43 AM - 6:13 AM

Action Rating: 4 out of 5

Tuesday, November 18, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 40.6°F
Average Humidity: 57%
Chance of Rain: 0%
Wind: 22.4 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 3.35 μg/m3
PM10: 3.7 μg/m3
Carbon Monoxide: 170.81 μg/m3
Nitrogen Dioxide: 9.36 μg/m3
Sulphur Dioxide: 2.88 μg/m3
Ozone: 54.64 μg/m3

Astronomical

Sunrise: 6:42 AM
Sun Transit: 11:35 AM
Sunset: 4:30 PM
Daylight: 9 hrs 48 mins
Moonrise: 5:13 AM
Moon Transit: 10:18 AM
Moonset: 3:17 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:48 AM - 12:18 AM

Minor Periods

2:47 PM - 4:17 PM
4:43 AM - 6:13 AM

Action Rating: 4 out of 5

Wednesday, November 19, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 41°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 0.4

Air Quality

AQI: 1 - Good
PM2.5: 14.09 μg/m3
PM10: 14.82 μg/m3
Carbon Monoxide: 228.73 μg/m3
Nitrogen Dioxide: 35.3 μg/m3
Sulphur Dioxide: 8.32 μg/m3
Ozone: 27.72 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 11:36 AM
Sunset: 4:29 PM
Daylight: 9 hrs 46 mins
Moonrise: 6:16 AM
Moon Transit: 11:03 AM
Moonset: 3:45 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

12:33 AM - 3:03 AM
10:33 AM - 1:03 PM

Minor Periods

3:15 PM - 4:45 PM
5:46 AM - 7:16 AM

Action Rating: 4 out of 5

Thursday, November 20, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 42.9°F
Average Humidity: 70%
Chance of Rain: 0%
Wind: 7.6 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 15.22 μg/m3
PM10: 17.32 μg/m3
Carbon Monoxide: 205.21 μg/m3
Nitrogen Dioxide: 28.21 μg/m3
Sulphur Dioxide: 5.54 μg/m3
Ozone: 36.92 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 11:36 AM
Sunset: 4:28 PM
Daylight: 9 hrs 44 mins
Moonrise: 7:19 AM
Moon Transit: 11:51 AM
Moonset: 4:19 PM
Moon Phase: New
Moon Illumination: 2.7%

Best Times for Fishing or Hunting

Major Periods

1:20 AM - 3:50 AM
11:21 AM - 1:51 PM

Minor Periods

3:49 PM - 5:19 PM
6:49 AM - 8:19 AM

Action Rating: 4 out of 5

Friday, November 21, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 50.2°F
Average Humidity: 89%
Chance of Rain: 87%
Wind: 18.6 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 9.75 μg/m3
PM10: 12.88 μg/m3
Carbon Monoxide: 209.33 μg/m3
Nitrogen Dioxide: 8.01 μg/m3
Sulphur Dioxide: 2.3 μg/m3
Ozone: 64.04 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 11:36 AM
Sunset: 4:28 PM
Daylight: 9 hrs 42 mins
Moonrise: 8:20 AM
Moon Transit: 12:41 AM
Moonset: 5:00 PM
Moon Phase: New
Moon Illumination: 0.5%

Best Times for Fishing or Hunting

Major Periods

2:09 AM - 4:39 AM
12:11 AM - 2:41 PM

Minor Periods

4:30 PM - 6:00 PM
7:50 AM - 9:20 AM

Action Rating: 4 out of 5

Saturday, November 22, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 47.2°F
Average Humidity: 75%
Chance of Rain: 64%
Wind: 24.2 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 10.67 μg/m3
PM10: 11.34 μg/m3
Carbon Monoxide: 275.23 μg/m3
Nitrogen Dioxide: 27.27 μg/m3
Sulphur Dioxide: 7.6 μg/m3
Ozone: 27.08 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 11:36 AM
Sunset: 4:27 PM
Daylight: 9 hrs 41 mins
Moonrise: 9:16 AM
Moon Transit: 1:32 PM
Moonset: 5:50 PM
Moon Phase: New
Moon Illumination: 3.3%

Best Times for Fishing or Hunting

Major Periods

3:00 AM - 5:30 AM
1:02 PM - 3:32 PM

Minor Periods

5:20 PM - 6:50 PM
8:46 AM - 10:16 AM

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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