Water Temperature of the Delaware River in Philadelphia, PA

Current Water Temperature

80.6°F

Measurement Time: Monday, July 27, 2026, 9:30 PM EDT

Temperature Locations

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Local Points of Interest

Fort Mifflin; Philadelphia International Airport; Red Bank, NJ

Delaware River

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

Elevation Above Sea Level: 0 feet

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

72.3°F
Clear
Clear
61°F
76.6°F
89%
SSW 7.4 mph
13.3 mph
72.3°F
68.8°F
0 in
1%
6 mi
1007 mbar
0

Five Day Weather Forecast

Sunny
Tue
H: 82°F
L: 68°F
Partly Cloudy
Wed
H: 83°F
L: 65°F
Patchy rain nearby
Thu
H: 80°F
L: 68°F
Patchy rain nearby
Fri
H: 84°F
L: 68°F
Sunny
Sat
H: 89°F
L: 67°F

Air Quality

PM2.5: 20.7 μg/m3
PM10: 21.1 μg/m3
Carbon Monoxide: 162 μg/m3
Nitrogen Dioxide: 16.6 μg/m3
Sulphur Dioxide: 1.9 μg/m3
Ozone: 72 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:07 PM
Sunset: 8:18 PM
Daylight: 14 hrs 22 mins
Moonrise: 8:05 PM
Moon Transit: 12:02 AM
Moonset: 4:39 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:59 PM - 4:29 PM

Minor Periods

7:35 PM - 9:05 PM
4:09 AM - 5:39 AM

Action Rating: 4 out of 5

Flash Flood Warning issued July 27 at 6:59PM EDT until July 27 at 11:00PM EDT by NWS Mount Holly NJ

Effective: Mon July 27, 2026, 6:59 PM
Expires: Mon July 27, 2026, 11:00 PM

FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... East Central Gloucester County in southern New Jersey... * Until 1100 PM EDT. * At 659 PM EDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 2 and 3 inches of rain have fallen. The expected rainfall rate is 1.5 to 2.5 inches in 1 hour. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar. IMPACT...Flooding of small creeks and streams, urban areas, highways, streets, and underpasses as well as other drainage and low lying areas. * Some locations that may experience flash flooding include... Victory Lakes, Monroe Township and Williamstown.

Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely.
Tuesday, July 28, 2026

Weather Forecast

Sunny
81.8°F
67.6°F
72.9°F
88%
0.52 in
82%
0%
13.6 mph
6.4


Air Quality

AQI: 1 - Good
PM2.5: 13.98 μg/m3
PM10: 14.29 μg/m3
Carbon Monoxide: 179.42 μg/m3
Nitrogen Dioxide: 10.6 μg/m3
Sulphur Dioxide: 1.48 μg/m3
Ozone: 85.04 μg/m3

Astronomical

Sunrise: 5:56 AM
Sun Transit: 1:07 PM
Sunset: 8:18 PM
Daylight: 14 hrs 22 mins
Moonrise: 8:05 PM
Moon Transit: 12:02 AM
Moonset: 4:39 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:59 PM - 4:29 PM

Minor Periods

7:35 PM - 9:05 PM
4:09 AM - 5:39 AM

Action Rating: 4 out of 5

Wednesday, July 29, 2026

Weather Forecast

Partly Cloudy
82.8°F
65.4°F
73°F
74%
0.02 in
39%
0%
12.8 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 5.93 μg/m3
PM10: 5.98 μg/m3
Carbon Monoxide: 168.83 μg/m3
Nitrogen Dioxide: 8.68 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 83.92 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 1:07 PM
Sunset: 8:17 PM
Daylight: 14 hrs 21 mins
Moonrise: 8:36 PM
Moon Transit: 12:50 AM
Moonset: 5:42 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

12:20 AM - 2:50 AM
2:46 PM - 5:16 PM

Minor Periods

8:06 PM - 9:36 PM
5:12 AM - 6:42 AM

Action Rating: 4 out of 5

Thursday, July 30, 2026

Weather Forecast

Patchy rain nearby
79.5°F
67.5°F
72.9°F
70%
0.02 in
40%
0%
12.3 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 5.14 μg/m3
PM10: 5.23 μg/m3
Carbon Monoxide: 155.34 μg/m3
Nitrogen Dioxide: 7.02 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 74.71 μg/m3

Astronomical

Sunrise: 5:58 AM
Sun Transit: 1:07 PM
Sunset: 8:16 PM
Daylight: 14 hrs 19 mins
Moonrise: 9:01 PM
Moon Transit: 1:37 AM
Moonset: 6:47 AM
Moon Phase: Full
Moon Illumination: 97.1%

Best Times for Fishing or Hunting

Major Periods

1:07 AM - 3:37 AM
3:32 PM - 6:02 PM

Minor Periods

8:31 PM - 10:01 PM
6:17 AM - 7:47 AM

Action Rating: 5 out of 5

Friday, July 31, 2026

Weather Forecast

Patchy rain nearby
83.5°F
67.7°F
73.5°F
70%
0.02 in
38%
0%
6.3 mph
6.9


Air Quality

AQI: 1 - Good
PM2.5: 6.59 μg/m3
PM10: 6.69 μg/m3
Carbon Monoxide: 217.22 μg/m3
Nitrogen Dioxide: 11.57 μg/m3
Sulphur Dioxide: 2.6 μg/m3
Ozone: 54.11 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 1:07 PM
Sunset: 8:15 PM
Daylight: 14 hrs 17 mins
Moonrise: 9:24 PM
Moon Transit: 2:22 AM
Moonset: 7:52 AM
Moon Phase: Full
Moon Illumination: 92.0%

Best Times for Fishing or Hunting

Major Periods

1:52 AM - 4:22 AM
4:15 PM - 6:45 PM

Minor Periods

8:54 PM - 10:24 PM
7:22 AM - 8:52 AM

Action Rating: 3 out of 5

Saturday, August 1, 2026

Weather Forecast

Sunny
88.8°F
67.4°F
77.1°F
68%
0 in
6%
0%
9.4 mph
8


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: 6:00 AM
Sun Transit: 1:07 PM
Sunset: 8:14 PM
Daylight: 14 hrs 15 mins
Moonrise: 9:46 PM
Moon Transit: 3:05 AM
Moonset: 8:56 AM
Moon Phase: Waning Gibbous
Moon Illumination: 84.9%

Best Times for Fishing or Hunting

Major Periods

2:35 AM - 5:05 AM
4:58 PM - 7:28 PM

Minor Periods

9:16 PM - 10:46 PM
8:26 AM - 9:56 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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