Water Temperature of the Delaware River in Philadelphia, PA

Current Water Temperature

76.1°F

Measurement Time: Wednesday, June 25, 2025, 12:30 AM EDT

Temperature Locations

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Local Points of Interest

Fort Mifflin; Philadelphia International Airport; Red Bank, NJ

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Delaware River

Station Name: Delaware River at Fort Mifflin at Philadelphia, PA
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet / 0 meters

Nearest Address:
Fort Mifflin Road
Philadelphia, PA 19153
Philadelphia County

GPS Coordinates: 39.8792798, -75.20268029

Nearby Water Temperatures

Delaware River, Philadelphia, PA (4.9 mi)
Schuylkill River, Philadelphia, PA (6.2 mi)
Wissahickon Creek, Philadelphia, PA (9.4 mi)
Delaware River, Philadelphia, PA (9.9 mi)
Delaware River, Marcus Hook, PA (11.9 mi)
Delaware River, Philadelphia, PA (15.6 mi)
Wissahickon Creek, Fort Washington, PA (16.9 mi)
Rancocas Creek, Bridgeboro, NJ (17.7 mi)
Valley Creek, Chesterbrook, PA (19.4 mi)
Christina River, Wilmington, DE (20.5 mi)
Brandywine Creek, Chadds Ford, PA (20.7 mi)
Brandywine Creek, Wilmington, DE (21.2 mi)
Delaware River, New Castle, DE (21.4 mi)
Delaware River, Burlington, PA (22.5 mi)
Red Clay Creek, Wooddale, DE (24.4 mi)

Weather for Philadelphia, Pennsylvania

Current Weather

86.4°F
Clear
Conditions: Clear
Humidity: 57%
Feels Like: 100.7°F
Wind: N 3.6 mph
Wind Gusts: 7.5 mph
Pressure: 30.03 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 105°F
L: 82°F
Moderate rain
Thu
H: 82°F
L: 67°F
Moderate rain
Fri
H: 69°F
L: 62°F
Moderate rain
Sat
H: 92°F
L: 61°F
Patchy rain nearby
Sun
H: 85°F
L: 69°F

Air Quality

PM2.5: 25.16 μg/m3
PM10: 26.46 μg/m3
Carbon Monoxide: 460.65 μg/m3
Nitrogen Dioxide: 31.82 μg/m3
Sulphur Dioxide: 12.95 μg/m3
Ozone: 64 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:03 PM
Sunset: 8:34 PM
Daylight: 15 hrs mins
Moonrise: 5:15 AM
Moon Transit: 1:21 PM
Moonset: 9:24 PM
Moon Phase: New
Moon Illumination: 1.6%

Best Times for Fishing or Hunting

Major Periods

2:23 AM - 4:53 AM
12:51 AM - 3:21 PM

Minor Periods

8:54 PM - 10:24 PM
4:45 AM - 6:15 AM

Action Rating: 4 out of 5

Extreme Heat Warning issued June 24 at 2:40PM EDT until June 25 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Tue June 24, 2025, 2:40 PM
Expires: Wed June 25, 2025, 3:45 AM

* WHAT...Dangerously hot conditions with heat index values up to 107. * WHERE...In Delaware, New Castle County. In New Jersey, Camden, Gloucester, and Northwestern Burlington Counties. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The hottest temperatures and heat indices will occur this afternoon. Low temperatures between 75 to 80 degrees and high humidity will not offer much relief from the heat tonight. Heat index values up to 106 can be expected on Wednesday.

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. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.


Air Quality Alert issued June 24 at 3:45PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 24, 2025, 3:45 PM
Expires: Thu June 26, 2025, 12:00 AM

The New Jersey Department of Environmental Protection has issued a code orange air quality alert Wednesday for Southwestern New Jersey. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.state.nj.us/dep/


Air Quality Alert issued June 24 at 3:45PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 24, 2025, 3:45 PM
Expires: Thu June 26, 2025, 12:00 AM

The New Jersey Department of Environmental Protection has issued a code orange air quality alert Wednesday for Southwestern New Jersey. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.state.nj.us/dep/


Extreme Heat Warning issued June 24 at 2:40PM EDT until June 25 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Tue June 24, 2025, 2:40 PM
Expires: Wed June 25, 2025, 3:45 AM

* WHAT...Dangerously hot conditions with heat index values up to 107. * WHERE...In Delaware, New Castle County. In New Jersey, Camden, Gloucester, and Northwestern Burlington Counties. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The hottest temperatures and heat indices will occur this afternoon. Low temperatures between 75 to 80 degrees and high humidity will not offer much relief from the heat tonight. Heat index values up to 106 can be expected on Wednesday.

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. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.


Extreme Heat Warning issued June 24 at 2:40PM EDT until June 25 at 8:00PM EDT by NWS Mount Holly NJ

Effective: Tue June 24, 2025, 2:40 PM
Expires: Wed June 25, 2025, 3:45 AM

* WHAT...Dangerously hot conditions with heat index values up to 107. * WHERE...In Delaware, New Castle County. In New Jersey, Camden, Gloucester, and Northwestern Burlington Counties. * WHEN...Until 8 PM EDT Wednesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. * ADDITIONAL DETAILS...The hottest temperatures and heat indices will occur this afternoon. Low temperatures between 75 to 80 degrees and high humidity will not offer much relief from the heat tonight. Heat index values up to 106 can be expected on Wednesday.

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. If you do not have air conditioning in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the heat.


Wednesday, June 25, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 92.4°F
Average Humidity: 58%
Chance of Rain: 0%
Wind: 11.6 mph
UV Index: 2.7

Air Quality

AQI: 2 - Moderate
PM2.5: 34.08 μg/m3
PM10: 36.53 μg/m3
Carbon Monoxide: 416.47 μg/m3
Nitrogen Dioxide: 42.13 μg/m3
Sulphur Dioxide: 11.37 μg/m3
Ozone: 95.88 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:03 PM
Sunset: 8:34 PM
Daylight: 15 hrs mins
Moonrise: 5:15 AM
Moon Transit: 1:21 PM
Moonset: 9:24 PM
Moon Phase: New
Moon Illumination: 1.6%

Best Times for Fishing or Hunting

Major Periods

2:23 AM - 4:53 AM
12:51 AM - 3:21 PM

Minor Periods

8:54 PM - 10:24 PM
4:45 AM - 6:15 AM

Action Rating: 4 out of 5

Thursday, June 26, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 78.6°F
Average Humidity: 76%
Chance of Rain: 88%
Wind: 11 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 30.65 μg/m3
PM10: 31.83 μg/m3
Carbon Monoxide: 406.93 μg/m3
Nitrogen Dioxide: 30.35 μg/m3
Sulphur Dioxide: 9.85 μg/m3
Ozone: 90.48 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:03 PM
Sunset: 8:34 PM
Daylight: 15 hrs mins
Moonrise: 6:26 AM
Moon Transit: 2:23 PM
Moonset: 10:11 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

3:26 AM - 5:56 AM
1:53 PM - 4:23 PM

Minor Periods

9:41 PM - 11:11 PM
5:56 AM - 7:26 AM

Action Rating: 5 out of 5

Friday, June 27, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 67.1°F
Average Humidity: 86%
Chance of Rain: 84%
Wind: 8.9 mph
UV Index: 1.6

Air Quality

AQI: 2 - Moderate
PM2.5: 18.12 μg/m3
PM10: 20.58 μg/m3
Carbon Monoxide: 334.41 μg/m3
Nitrogen Dioxide: 15.67 μg/m3
Sulphur Dioxide: 4.97 μg/m3
Ozone: 84.48 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 14 hrs 59 mins
Moonrise: 7:40 AM
Moon Transit: 3:20 PM
Moonset: 10:47 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

4:25 AM - 6:55 AM
2:50 PM - 5:20 PM

Minor Periods

10:17 PM - 11:47 PM
7:10 AM - 8:40 AM

Action Rating: 3 out of 5

Saturday, June 28, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 76.8°F
Average Humidity: 79%
Chance of Rain: 86%
Wind: 9.4 mph
UV Index: 2.2

Air Quality

AQI: 2 - Moderate
PM2.5: 15.55 μg/m3
PM10: 18.56 μg/m3
Carbon Monoxide: 345.24 μg/m3
Nitrogen Dioxide: 21.5 μg/m3
Sulphur Dioxide: 6.29 μg/m3
Ozone: 59.77 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 14 hrs 59 mins
Moonrise: 8:53 AM
Moon Transit: 4:11 PM
Moonset: 11:16 PM
Moon Phase: Waxing Crescent
Moon Illumination: 6.5%

Best Times for Fishing or Hunting

Major Periods

5:18 AM - 7:48 AM
3:41 PM - 6:11 PM

Minor Periods

12:00 AM - 12:00 AM
8:23 AM - 9:53 AM

Action Rating: 3 out of 5

Sunday, June 29, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 76.3°F
Average Humidity: 79%
Chance of Rain: 74%
Wind: 8.5 mph
UV Index: 0.2

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: 5:35 AM
Sun Transit: 1:04 PM
Sunset: 8:34 PM
Daylight: 14 hrs 59 mins
Moonrise: 10:02 AM
Moon Transit: 4:57 PM
Moonset: 12:16 AM
Moon Phase: Waxing Crescent
Moon Illumination: 13.1%

Best Times for Fishing or Hunting

Major Periods

6:06 AM - 8:36 AM
4:27 PM - 6:57 PM

Minor Periods

9:32 AM - 11:02 AM
12:00 AM - 12:00 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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