Water Temperature of the Harlem River in Bronx, NY

Current Water Temperature

71.2°F

Measurement Time: Thursday, September 30, 2021, 7:45 AM EDT

Temperature Locations

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Local Points of Interest

Mill Pond Park; New York, NY

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Harlem River

Station Name: HARLEM R AT MILL POND PARK ALCOVE 1 AT BRONX NY
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: -7 feet / -2 meters

Nearest Address:
725 Exterior St
Bronx, NY 10451
Bronx County

GPS Coordinates: 40.82452778, -73.9325833

Nearby Water Temperatures

Bronx River, Bronx, NY (4.0 mi)
Hudson River, Manhattan, NY (5.5 mi)
Hudson River, Yonkers, NY (7.9 mi)
Long Island Sound, Kings Point, NY (8.8 mi)
East River, New York, NY (9.6 mi)
East Creek, Sands Point, NY (12.0 mi)
Newark Bay, Newark, NJ (12.7 mi)
Newark Bay, Staten Island, NY (17.0 mi)
Rockaway Inlet, Brooklyn, NY (17.5 mi)
Hempstead Lake, Lakeview, NY (18.2 mi)
Frost Creek, Lattingtown, NY (18.6 mi)
Hog Island Channel, Island Park, NY (20.8 mi)
Whippany River, Pine Brook, NJ (21.7 mi)
Reynolds Channel, Point Lookout, NY (24.3 mi)
Sandy Hook Bay, Sandy Hook, NJ (25.0 mi)

Weather for Bronx, New York

Current Weather

66.9°F
Clear
Conditions: Clear
Humidity: 57%
Feels Like: 66.9°F
Wind: SE 8.3 mph
Wind Gusts: 10.8 mph
Pressure: 30.28 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Sun
H: 75°F
L: 54°F
Overcast
Mon
H: 71°F
L: 60°F
Cloudy
Tue
H: 79°F
L: 68°F
Patchy rain nearby
Wed
H: 81°F
L: 70°F
Patchy rain nearby
Thu
H: 69°F
L: 66°F

Air Quality

AQI: 1 - Good
PM2.5: 21.65 μg/m3
PM10: 25.16 μg/m3
Carbon Monoxide: 436.6 μg/m3
Nitrogen Dioxide: 71.6 μg/m3
Sulphur Dioxide: 9.44 μg/m3
Ozone: 34 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:48 AM
Sunset: 6:54 PM
Daylight: 12 hrs 11 mins
Moonrise: 6:26 AM
Moon Transit: 12:41 AM
Moonset: 6:47 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

2:03 AM - 4:33 AM
12:11 AM - 2:41 PM

Minor Periods

6:17 PM - 7:47 PM
5:56 AM - 7:26 AM

Action Rating: 3 out of 5

Rip Current Statement issued September 21 at 3:25AM EDT until September 21 at 7:00PM EDT by NWS Mount Holly NJ

Effective: Sun September 21, 2025, 3:25 AM
Expires: Sun September 21, 2025, 6:00 PM

* WHAT...Dangerous rip currents expected. * WHERE...In Delaware, Delaware Beaches. In New Jersey, Eastern Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and Coastal Ocean. * WHEN...From 8 AM EDT this morning through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Always obey posted Beach Flags. If you enter the surf zone, always have a floatation device with you and swim near a lifeguard if possible. If caught in a rip current, relax and float and do not swim against the current. If able, swim parallel to the shoreline. If unable to escape, face the shore and call or wave for help.


Rip Current Statement issued September 21 at 3:25AM EDT until September 21 at 7:00PM EDT by NWS Mount Holly NJ

Effective: Sun September 21, 2025, 3:25 AM
Expires: Sun September 21, 2025, 6:00 PM

* WHAT...Dangerous rip currents expected. * WHERE...In Delaware, Delaware Beaches. In New Jersey, Eastern Monmouth, Atlantic Coastal Cape May, Coastal Atlantic and Coastal Ocean. * WHEN...From 8 AM EDT this morning through this evening. * IMPACTS...Rip currents can sweep even the best swimmers away from shore into deeper water.

Always obey posted Beach Flags. If you enter the surf zone, always have a floatation device with you and swim near a lifeguard if possible. If caught in a rip current, relax and float and do not swim against the current. If able, swim parallel to the shoreline. If unable to escape, face the shore and call or wave for help.
Sunday, September 21, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 64.7°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 1.4

Air Quality

AQI: 1 - Good
PM2.5: 14.58 μg/m3
PM10: 17.92 μg/m3
Carbon Monoxide: 432.83 μg/m3
Nitrogen Dioxide: 39.55 μg/m3
Sulphur Dioxide: 8.07 μg/m3
Ozone: 57.76 μg/m3

Astronomical

Sunrise: 6:43 AM
Sun Transit: 12:48 AM
Sunset: 6:54 PM
Daylight: 12 hrs 11 mins
Moonrise: 6:26 AM
Moon Transit: 12:41 AM
Moonset: 6:47 PM
Moon Phase: New
Moon Illumination: 0.3%

Best Times for Fishing or Hunting

Major Periods

2:03 AM - 4:33 AM
12:11 AM - 2:41 PM

Minor Periods

6:17 PM - 7:47 PM
5:56 AM - 7:26 AM

Action Rating: 3 out of 5

Monday, September 22, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 65.8°F
Average Humidity: 77%
Chance of Rain: 0%
Wind: 9.4 mph
UV Index: 1.4

Air Quality

AQI: 2 - Moderate
PM2.5: 26.74 μg/m3
PM10: 31.5 μg/m3
Carbon Monoxide: 455.54 μg/m3
Nitrogen Dioxide: 64.69 μg/m3
Sulphur Dioxide: 13.58 μg/m3
Ozone: 47.64 μg/m3

Astronomical

Sunrise: 6:44 AM
Sun Transit: 12:48 AM
Sunset: 6:53 PM
Daylight: 12 hrs 9 mins
Moonrise: 7:28 AM
Moon Transit: 1:22 PM
Moonset: 7:06 PM
Moon Phase: New
Moon Illumination: 2.9%

Best Times for Fishing or Hunting

Major Periods

2:44 AM - 5:14 AM
12:52 AM - 3:22 PM

Minor Periods

6:36 PM - 8:06 PM
6:58 AM - 8:28 AM

Action Rating: 5 out of 5

Tuesday, September 23, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 72.6°F
Average Humidity: 79%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 0

Air Quality

AQI: 2 - Moderate
PM2.5: 28.08 μg/m3
PM10: 29.79 μg/m3
Carbon Monoxide: 429.57 μg/m3
Nitrogen Dioxide: 60.71 μg/m3
Sulphur Dioxide: 15.45 μg/m3
Ozone: 68.68 μg/m3

Astronomical

Sunrise: 6:45 AM
Sun Transit: 12:47 AM
Sunset: 6:51 PM
Daylight: 12 hrs 6 mins
Moonrise: 8:31 AM
Moon Transit: 2:03 PM
Moonset: 7:26 PM
Moon Phase: New
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

3:24 AM - 5:54 AM
1:33 PM - 4:03 PM

Minor Periods

6:56 PM - 8:26 PM
8:01 AM - 9:31 AM

Action Rating: 4 out of 5

Wednesday, September 24, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 74°F
Average Humidity: 71%
Chance of Rain: 86%
Wind: 11.4 mph
UV Index: 5

Air Quality

AQI: 2 - Moderate
PM2.5: 18.78 μg/m3
PM10: 18.96 μg/m3
Carbon Monoxide: 556.41 μg/m3
Nitrogen Dioxide: 35.96 μg/m3
Sulphur Dioxide: 11.68 μg/m3
Ozone: 88.72 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:47 AM
Sunset: 6:49 PM
Daylight: 12 hrs 3 mins
Moonrise: 9:33 AM
Moon Transit: 2:45 PM
Moonset: 7:49 PM
Moon Phase: New
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

4:06 AM - 6:36 AM
2:15 PM - 4:45 PM

Minor Periods

7:19 PM - 8:49 PM
9:03 AM - 10:33 AM

Action Rating: 5 out of 5

Thursday, September 25, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 67.3°F
Average Humidity: 74%
Chance of Rain: 89%
Wind: 13.4 mph
UV Index: 4

Air Quality

AQI: 1 - Good
PM2.5: 8.23 μg/m3
PM10: 8.27 μg/m3
Carbon Monoxide: 499.22 μg/m3
Nitrogen Dioxide: 34.03 μg/m3
Sulphur Dioxide: 6.82 μg/m3
Ozone: 66.23 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:47 AM
Sunset: 6:47 PM
Daylight: 12 hrs 1 mins
Moonrise: 10:36 AM
Moon Transit: 3:29 PM
Moonset: 8:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

4:49 AM - 7:19 AM
2:59 PM - 5:29 PM

Minor Periods

7:46 PM - 9:16 PM
10:06 AM - 11:36 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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