Water Temperature of the Delaware River in Philadelphia, PA

Current Water Temperature

81.7°F

Measurement Time: Saturday, July 18, 2026, 5:30 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

79°F
Partly cloudy
Partly cloudy
84.9°F
81.6°F
79%
S 8.3 mph
12.8 mph
77°F
72.9°F
0 in
75%
9 mi
1007 mbar
0

Five Day Weather Forecast

Smoky haze
Sat
H: 94°F
L: 70°F
Sunny
Sun
H: 83°F
L: 71°F
Sunny
Mon
H: 86°F
L: 64°F
Patchy rain nearby
Tue
H: 91°F
L: 70°F
Partly Cloudy
Wed
H: 87°F
L: 70°F

Air Quality

AQI: 1 - Good
PM2.5: 22.1 μg/m3
PM10: 23 μg/m3
Carbon Monoxide: 186 μg/m3
Nitrogen Dioxide: 14.3 μg/m3
Sulphur Dioxide: 1.7 μg/m3
Ozone: 104 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

Tornado Watch issued July 18 at 1:55PM EDT until July 18 at 9:00PM EDT by NWS Mount Holly NJ

Effective: Sat July 18, 2026, 1:55 PM
Expires: Sat July 18, 2026, 9:00 PM

THE NATIONAL WEATHER SERVICE HAS ISSUED TORNADO WATCH 495 IN EFFECT UNTIL 9 PM EDT THIS EVENING FOR THE FOLLOWING AREAS THIS WATCH INCLUDES THE FOLLOWING ADJACENT COASTAL WATERS DELAWARE BAY WATERS NORTH OF EAST POINT NJ TO SLAUGHTER BEACH DE DELAWARE BAY WATERS SOUTH OF EAST POINT NJ TO SLAUGHTER BEACH DE COASTAL WATERS FROM SANDY HOOK TO MANASQUAN INLET NJ OUT 20 NM COASTAL WATERS FROM MANASQUAN INLET TO LITTLE EGG INLET NJ OUT 20 NM COASTAL WATERS FROM LITTLE EGG INLET TO GREAT EGG INLET NJ OUT 20 NM COASTAL WATERS FROM GREAT EGG INLET TO CAPE MAY NJ OUT 20 NM COASTAL WATERS FROM CAPE MAY NJ TO CAPE HENLOPEN DE OUT 20 NM COASTAL WATERS FROM CAPE HENLOPEN TO FENWICK ISLAND DE OUT 20 NM
Saturday, July 18, 2026

Weather Forecast

Smoky haze
93.9°F
69.8°F
77.6°F
83%
0.36 in
75%
0%
14.5 mph
5.4


Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 48.43 μg/m3
PM10: 50.3 μg/m3
Carbon Monoxide: 178.75 μg/m3
Nitrogen Dioxide: 14.13 μg/m3
Sulphur Dioxide: 1.91 μg/m3
Ozone: 100.13 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
83°F
70.6°F
76.1°F
61%
0 in
17%
0%
11.4 mph
7.9


Air Quality

AQI: 1 - Good
PM2.5: 9.53 μg/m3
PM10: 9.59 μg/m3
Carbon Monoxide: 222.67 μg/m3
Nitrogen Dioxide: 10.28 μg/m3
Sulphur Dioxide: 1.51 μg/m3
Ozone: 82.63 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

Monday, July 20, 2026

Weather Forecast

Sunny
85.8°F
64°F
75.1°F
48%
0 in
2%
0%
9.8 mph
8.4


Air Quality

AQI: 1 - Good
PM2.5: 12.1 μg/m3
PM10: 12.36 μg/m3
Carbon Monoxide: 198.58 μg/m3
Nitrogen Dioxide: 16.93 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 79.33 μg/m3

Astronomical

Sunrise: 5:49 AM
Sun Transit: 1:07 PM
Sunset: 8:25 PM
Daylight: 14 hrs 36 mins
Moonrise: 12:50 AM
Moon Transit: 6:21 PM
Moonset: 12:20 AM
Moon Phase: Waxing Crescent
Moon Illumination: 32.7%

Best Times for Fishing or Hunting

Major Periods

7:31 AM - 10:01 AM
5:51 PM - 8:21 PM

Minor Periods

12:20 AM - 1:50 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Tuesday, July 21, 2026

Weather Forecast

Patchy rain nearby
91.4°F
70.4°F
77.7°F
74%
0.37 in
74%
0%
14.5 mph
7.6


Air Quality

AQI: 1 - Good
PM2.5: 10.58 μg/m3
PM10: 11.89 μg/m3
Carbon Monoxide: 168.58 μg/m3
Nitrogen Dioxide: 9.85 μg/m3
Sulphur Dioxide: 1.37 μg/m3
Ozone: 93.67 μg/m3

Astronomical

Sunrise: 5:50 AM
Sun Transit: 1:07 PM
Sunset: 8:24 PM
Daylight: 14 hrs 35 mins
Moonrise: 1:54 PM
Moon Transit: 7:05 PM
Moonset: 12:43 AM
Moon Phase: First Quarter
Moon Illumination: 43.7%

Best Times for Fishing or Hunting

Major Periods

8:15 AM - 10:45 AM
6:35 PM - 9:05 PM

Minor Periods

1:24 PM - 2:54 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, July 22, 2026

Weather Forecast

Partly Cloudy
87°F
70°F
77.8°F
69%
0.06 in
57%
0%
14.8 mph
8.1


Air Quality

AQI: 1 - Good
PM2.5: 7.03 μg/m3
PM10: 7.14 μg/m3
Carbon Monoxide: 201.22 μg/m3
Nitrogen Dioxide: 7.49 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 67.67 μg/m3

Astronomical

Sunrise: 5:51 AM
Sun Transit: 1:07 PM
Sunset: 8:24 PM
Daylight: 14 hrs 33 mins
Moonrise: 2:58 PM
Moon Transit: 7:51 PM
Moonset: 12:09 AM
Moon Phase: First Quarter
Moon Illumination: 55.0%

Best Times for Fishing or Hunting

Major Periods

9:00 AM - 11:30 AM
7:21 PM - 9:51 PM

Minor Periods

2:28 PM - 3:58 PM
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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