Water Temperature of the Delaware River in Philadelphia, PA

Current Water Temperature

81.9°F

Measurement Time: Wednesday, July 15, 2026, 3:30 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

93.9°F
Partly cloudy
Partly cloudy
97.2°F
95.4°F
55%
WSW 6.9 mph
14.1 mph
92.8°F
63.1°F
0 in
75%
9 mi
1011 mbar
0

Five Day Weather Forecast

Sunny
Wed
H: 104°F
L: 74°F
Sunny
Thu
H: 96°F
L: 75°F
Sunny
Fri
H: 90°F
L: 74°F
Patchy rain nearby
Sat
H: 77°F
L: 70°F
Sunny
Sun
H: 84°F
L: 71°F

Air Quality

AQI: 1 - Good
PM2.5: 9.3 μg/m3
PM10: 9.6 μg/m3
Carbon Monoxide: 169 μg/m3
Nitrogen Dioxide: 14 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 92 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:06 PM
Sunset: 8:29 PM
Daylight: 14 hrs 44 mins
Moonrise: 6:59 AM
Moon Transit: 2:26 PM
Moonset: 9:41 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
1:56 PM - 4:26 PM

Minor Periods

9:11 PM - 10:41 PM
6:29 AM - 7:59 AM

Action Rating: 4 out of 5

Air Quality Alert issued July 15 at 3:45PM EDT by NWS Mount Holly NJ

Effective: Wed July 15, 2026, 3:45 PM
Expires: Fri July 17, 2026, 12:00 AM

The New Jersey Department of Environmental Protection has issued a code red air quality alert Thursday for Southwestern New Jersey. A code red air quality alert means that air pollution concentrations within the region are unhealthful for the general population. 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/
Wednesday, July 15, 2026

Weather Forecast

Sunny
103.8°F
74.1°F
87.6°F
58%
0 in
3%
0%
12.3 mph
9.5


Air Quality

AQI: 1 - Good
PM2.5: 13.26 μg/m3
PM10: 13.74 μg/m3
Carbon Monoxide: 171.29 μg/m3
Nitrogen Dioxide: 10.61 μg/m3
Sulphur Dioxide: 2.48 μg/m3
Ozone: 105.25 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 1:06 PM
Sunset: 8:29 PM
Daylight: 14 hrs 44 mins
Moonrise: 6:59 AM
Moon Transit: 2:26 PM
Moonset: 9:41 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

3:31 AM - 6:01 AM
1:56 PM - 4:26 PM

Minor Periods

9:11 PM - 10:41 PM
6:29 AM - 7:59 AM

Action Rating: 4 out of 5

Thursday, July 16, 2026

Weather Forecast

Sunny
96.4°F
75.4°F
86.5°F
49%
0 in
17%
0%
13.2 mph
6.5


Air Quality

AQI: 2 - Moderate
PM2.5: 15.97 μg/m3
PM10: 16.31 μg/m3
Carbon Monoxide: 174.13 μg/m3
Nitrogen Dioxide: 13.33 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 107.08 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:06 PM
Sunset: 8:28 PM
Daylight: 14 hrs 42 mins
Moonrise: 8:16 AM
Moon Transit: 3:20 PM
Moonset: 10:11 PM
Moon Phase: New
Moon Illumination: 2.4%

Best Times for Fishing or Hunting

Major Periods

4:26 AM - 6:56 AM
2:50 PM - 5:20 PM

Minor Periods

9:41 PM - 11:11 PM
7:46 AM - 9:16 AM

Action Rating: 3 out of 5

Friday, July 17, 2026

Weather Forecast

Sunny
90.3°F
73.5°F
82.1°F
42%
0 in
1%
0%
6.5 mph
4.4


Air Quality

AQI: 1 - Good
PM2.5: 14.56 μg/m3
PM10: 14.91 μg/m3
Carbon Monoxide: 180.42 μg/m3
Nitrogen Dioxide: 9.66 μg/m3
Sulphur Dioxide: 2.04 μg/m3
Ozone: 106.92 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 1:07 PM
Sunset: 8:27 PM
Daylight: 14 hrs 41 mins
Moonrise: 9:29 AM
Moon Transit: 4:08 PM
Moonset: 10:36 PM
Moon Phase: Waxing Crescent
Moon Illumination: 7.0%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
3:38 PM - 6:08 PM

Minor Periods

10:06 PM - 11:36 PM
8:59 AM - 10:29 AM

Action Rating: 3 out of 5

Saturday, July 18, 2026

Weather Forecast

Patchy rain nearby
76.5°F
69.7°F
72.2°F
88%
0.47 in
88%
0%
9.8 mph
1.8


Air Quality

AQI: 1 - Good
PM2.5: 12.18 μg/m3
PM10: 13.37 μg/m3
Carbon Monoxide: 182.51 μg/m3
Nitrogen Dioxide: 10.16 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 101.33 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 1:07 PM
Sunset: 8:27 PM
Daylight: 14 hrs 39 mins
Moonrise: 10:39 AM
Moon Transit: 4:54 PM
Moonset: 10:58 PM
Moon Phase: Waxing Crescent
Moon Illumination: 13.9%

Best Times for Fishing or Hunting

Major Periods

6:03 AM - 8:33 AM
4:24 PM - 6:54 PM

Minor Periods

10:28 PM - 11:58 PM
10:09 AM - 11:39 AM

Action Rating: 3 out of 5

Sunday, July 19, 2026

Weather Forecast

Sunny
84.3°F
70.5°F
76.8°F
69%
0.21 in
65%
0%
12.8 mph
5.8


Air Quality

AQI: 1 - Good
PM2.5: 9.44 μg/m3
PM10: 9.57 μg/m3
Carbon Monoxide: 296 μg/m3
Nitrogen Dioxide: 10.96 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 70.44 μg/m3

Astronomical

Sunrise: 5:48 AM
Sun Transit: 1:07 PM
Sunset: 8:26 PM
Daylight: 14 hrs 38 mins
Moonrise: 11:45 AM
Moon Transit: 5:38 PM
Moonset: 11:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 22.6%

Best Times for Fishing or Hunting

Major Periods

6:48 AM - 9:18 AM
5:08 PM - 7:38 PM

Minor Periods

12:00 AM - 12:00 AM
11:15 AM - 12:45 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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