Water Temperature of the Delaware River in Philadelphia, PA

Current Water Temperature

60.8°F

Measurement Time: Wednesday, April 29, 2026, 11:30 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

51.1°F
Overcast
Overcast
50.6°F
50.6°F
86%
SSW 3.4 mph
4.9 mph
50.2°F
48.8°F
0 in
100%
9 mi
1008 mbar
0

Five Day Weather Forecast

Patchy rain nearby
Thu
H: 66°F
L: 48°F
Partly Cloudy
Fri
H: 59°F
L: 43°F
Partly Cloudy
Sat
H: 59°F
L: 44°F
Partly Cloudy
Sun
H: 59°F
L: 42°F
Partly Cloudy
Mon
H: 66°F
L: 43°F

Air Quality

AQI: 1 - Good
PM2.5: 10.65 μg/m3
PM10: 12.45 μg/m3
Carbon Monoxide: 216.85 μg/m3
Nitrogen Dioxide: 17.35 μg/m3
Sulphur Dioxide: 5.55 μg/m3
Ozone: 53 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:58 AM
Sunset: 7:54 PM
Daylight: 13 hrs 52 mins
Moonrise: 7:15 PM
Moon Transit: 12:00 AM
Moonset: 5:08 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:38 PM - 4:08 PM

Minor Periods

6:45 PM - 8:15 PM
4:38 AM - 6:08 AM

Action Rating: 5 out of 5

Coastal Flood Advisory issued April 29 at 5:41PM EDT until April 30 at 5:00AM EDT by NWS Mount Holly NJ

Effective: Wed April 29, 2026, 5:41 PM
Expires: Thu April 30, 2026, 5:00 AM

* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...In New Jersey, Gloucester, Camden and Northwestern Burlington. In Pennsylvania, Delaware, Philadelphia and Lower Bucks. * WHEN...From midnight tonight to 5 AM EDT Thursday. * IMPACTS...At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible.

A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge.


Coastal Flood Advisory issued April 30 at 12:47AM EDT until April 30 at 5:00AM EDT by NWS Mount Holly NJ

Effective: Thu April 30, 2026, 12:47 AM
Expires: Thu April 30, 2026, 5:00 AM

* WHAT...Up to one half foot of inundation above ground level in low-lying areas near shorelines and tidal waterways. * WHERE...In New Jersey, Gloucester, Camden and Northwestern Burlington. In Pennsylvania, Delaware, Philadelphia and Lower Bucks. * WHEN...Until 5 AM EDT early this morning. * IMPACTS...At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible.

A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge.


Coastal Flood Advisory issued April 29 at 5:41PM EDT until April 30 at 1:00AM EDT by NWS Mount Holly NJ

Effective: Wed April 29, 2026, 5:41 PM
Expires: Thu April 30, 2026, 1:00 AM

* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...In Delaware, New Castle. In New Jersey, Salem. * WHEN...From 9 PM this evening to 1 AM EDT Thursday. * IMPACTS...At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible.

A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge.


Thursday, April 30, 2026

Weather Forecast

Patchy rain nearby
66.2°F
48.4°F
55.3°F
77%
0.09 in
81%
0%
12.5 mph
6.8


Air Quality

AQI: 1 - Good
PM2.5: 7.05 μg/m3
PM10: 7.87 μg/m3
Carbon Monoxide: 185.89 μg/m3
Nitrogen Dioxide: 10.89 μg/m3
Sulphur Dioxide: 3.9 μg/m3
Ozone: 77.24 μg/m3

Astronomical

Sunrise: 6:02 AM
Sun Transit: 12:58 AM
Sunset: 7:54 PM
Daylight: 13 hrs 52 mins
Moonrise: 7:15 PM
Moon Transit: 12:00 AM
Moonset: 5:08 AM
Moon Phase: Full
Moon Illumination: 99.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
1:38 PM - 4:08 PM

Minor Periods

6:45 PM - 8:15 PM
4:38 AM - 6:08 AM

Action Rating: 5 out of 5

Friday, May 1, 2026

Weather Forecast

Partly Cloudy
59.3°F
43.2°F
51.4°F
54%
0 in
0%
0%
14.3 mph
7


Air Quality

AQI: 1 - Good
PM2.5: 7.59 μg/m3
PM10: 7.79 μg/m3
Carbon Monoxide: 200.09 μg/m3
Nitrogen Dioxide: 14.25 μg/m3
Sulphur Dioxide: 5.38 μg/m3
Ozone: 70.48 μg/m3

Astronomical

Sunrise: 6:01 AM
Sun Transit: 12:57 AM
Sunset: 7:55 PM
Daylight: 13 hrs 54 mins
Moonrise: 8:19 PM
Moon Transit: 12:28 AM
Moonset: 5:33 AM
Moon Phase: Full
Moon Illumination: 100.0%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
2:22 PM - 4:52 PM

Minor Periods

7:49 PM - 9:19 PM
5:03 AM - 6:33 AM

Action Rating: 4 out of 5

Saturday, May 2, 2026

Weather Forecast

Partly Cloudy
58.8°F
44.4°F
51.4°F
52%
0 in
0%
0%
9.6 mph
6.1


Air Quality

AQI: 1 - Good
PM2.5: 13.33 μg/m3
PM10: 13.6 μg/m3
Carbon Monoxide: 224.17 μg/m3
Nitrogen Dioxide: 22.34 μg/m3
Sulphur Dioxide: 5.92 μg/m3
Ozone: 64.6 μg/m3

Astronomical

Sunrise: 6:00 AM
Sun Transit: 12:57 AM
Sunset: 7:56 PM
Daylight: 13 hrs 57 mins
Moonrise: 9:22 PM
Moon Transit: 1:13 AM
Moonset: 6:02 AM
Moon Phase: Full
Moon Illumination: 98.4%

Best Times for Fishing or Hunting

Major Periods

12:43 AM - 3:13 AM
3:09 PM - 5:39 PM

Minor Periods

8:52 PM - 10:22 PM
5:32 AM - 7:02 AM

Action Rating: 4 out of 5

Sunday, May 3, 2026

Weather Forecast

Partly Cloudy
58.5°F
41.7°F
50.4°F
50%
0 in
0%
0%
13.6 mph
5.4


Air Quality

AQI: 1 - Good
PM2.5: 8.59 μg/m3
PM10: 8.96 μg/m3
Carbon Monoxide: 177.56 μg/m3
Nitrogen Dioxide: 14.14 μg/m3
Sulphur Dioxide: 4.07 μg/m3
Ozone: 68.68 μg/m3

Astronomical

Sunrise: 5:59 AM
Sun Transit: 12:57 AM
Sunset: 7:57 PM
Daylight: 13 hrs 59 mins
Moonrise: 10:24 PM
Moon Transit: 2:01 AM
Moonset: 6:36 AM
Moon Phase: Full
Moon Illumination: 94.4%

Best Times for Fishing or Hunting

Major Periods

1:31 AM - 4:01 AM
3:58 PM - 6:28 PM

Minor Periods

9:54 PM - 11:24 PM
6:06 AM - 7:36 AM

Action Rating: 4 out of 5

Monday, May 4, 2026

Weather Forecast

Partly Cloudy
65.9°F
43.4°F
53.4°F
56%
0 in
0%
0%
12.3 mph
0.8


Air Quality

AQI: 1 - Good
PM2.5: 13.56 μg/m3
PM10: 14.12 μg/m3
Carbon Monoxide: 255.9 μg/m3
Nitrogen Dioxide: 30.52 μg/m3
Sulphur Dioxide: 4.85 μg/m3
Ozone: 41.92 μg/m3

Astronomical

Sunrise: 5:57 AM
Sun Transit: 12:57 AM
Sunset: 7:58 PM
Daylight: 14 hrs 1 mins
Moonrise: 11:20 PM
Moon Transit: 2:51 AM
Moonset: 7:16 AM
Moon Phase: Waning Gibbous
Moon Illumination: 88.0%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
4:49 PM - 7:19 PM

Minor Periods

12:00 AM - 12:00 AM
6:46 AM - 8:16 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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