Water Temperature of the Delaware River in Philadelphia, PA

Current Water Temperature

76.6°F

Measurement Time: Sunday, June 21, 2026, 11:30 AM 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

84°F
Partly cloudy
Partly cloudy
81.5°F
83.5°F
32%
W 11.4 mph
13.1 mph
85.7°F
48.5°F
0 in
75%
9 mi
1012 mbar
6.7

Five Day Weather Forecast

Sunny
Sun
H: 87°F
L: 66°F
Heavy rain
Mon
H: 86°F
L: 66°F
Moderate rain
Tue
H: 77°F
L: 67°F
Sunny
Wed
H: 82°F
L: 60°F
Patchy rain nearby
Thu
H: 86°F
L: 63°F

Air Quality

AQI: 1 - Good
PM2.5: 3.9 μg/m3
PM10: 4 μg/m3
Carbon Monoxide: 113 μg/m3
Nitrogen Dioxide: 1.4 μg/m3
Sulphur Dioxide: 1.2 μg/m3
Ozone: 114 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 1:02 PM
Sunset: 8:33 PM
Daylight: 15 hrs 1 mins
Moonrise: 12:55 AM
Moon Transit: 7:00 PM
Moonset: 12:34 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

8:10 AM - 10:40 AM
6:30 PM - 9:00 PM

Minor Periods

12:25 AM - 1:55 PM
12:04 AM - 1:34 AM

Action Rating: 3 out of 5

Small Craft Advisory issued June 21 at 2:21AM EDT until June 23 at 12:00AM EDT by NWS Mount Holly NJ

Effective: Sun June 21, 2026, 2:21 AM
Expires: Tue June 23, 2026, 12:00 AM

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt and rough waters expected. * WHERE...Delaware Bay waters north of East Point NJ to Slaughter Beach DE and Delaware Bay waters south of East Point NJ to Slaughter Beach DE. * WHEN...From 3 PM Monday to midnight EDT Monday night. * IMPACTS...Conditions will be hazardous to small craft.

Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in hazardous conditions.
Sunday, June 21, 2026

Weather Forecast

Sunny
86.9°F
65.8°F
75.6°F
49%
0 in
2%
0%
12.1 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 9.13 μg/m3
PM10: 9.29 μg/m3
Carbon Monoxide: 152.13 μg/m3
Nitrogen Dioxide: 13.45 μg/m3
Sulphur Dioxide: 1.85 μg/m3
Ozone: 75.92 μg/m3

Astronomical

Sunrise: 5:32 AM
Sun Transit: 1:02 PM
Sunset: 8:33 PM
Daylight: 15 hrs 1 mins
Moonrise: 12:55 AM
Moon Transit: 7:00 PM
Moonset: 12:34 AM
Moon Phase: First Quarter
Moon Illumination: 38.5%

Best Times for Fishing or Hunting

Major Periods

8:10 AM - 10:40 AM
6:30 PM - 9:00 PM

Minor Periods

12:25 AM - 1:55 PM
12:04 AM - 1:34 AM

Action Rating: 3 out of 5

Monday, June 22, 2026

Weather Forecast

Heavy rain
85.9°F
65.5°F
71.5°F
75%
0.92 in
79%
0%
9.6 mph
2.7


Air Quality

AQI: 1 - Good
PM2.5: 13.8 μg/m3
PM10: 14.93 μg/m3
Carbon Monoxide: 159 μg/m3
Nitrogen Dioxide: 19.14 μg/m3
Sulphur Dioxide: 1.52 μg/m3
Ozone: 82.88 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:02 PM
Sunset: 8:33 PM
Daylight: 15 hrs 1 mins
Moonrise: 1:58 PM
Moon Transit: 7:42 PM
Moonset: 12:56 AM
Moon Phase: First Quarter
Moon Illumination: 49.7%

Best Times for Fishing or Hunting

Major Periods

8:53 AM - 11:23 AM
7:12 PM - 9:42 PM

Minor Periods

1:28 PM - 2:58 PM
12:26 AM - 1:56 AM

Action Rating: 2 out of 5

Tuesday, June 23, 2026

Weather Forecast

Moderate rain
77.3°F
66.6°F
70.8°F
92%
0.37 in
91%
0%
10.5 mph
3.1


Air Quality

AQI: 1 - Good
PM2.5: 5.68 μg/m3
PM10: 5.77 μg/m3
Carbon Monoxide: 141.1 μg/m3
Nitrogen Dioxide: 7.94 μg/m3
Sulphur Dioxide: 1.56 μg/m3
Ozone: 82.67 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:03 PM
Sunset: 8:33 PM
Daylight: 15 hrs 1 mins
Moonrise: 3:01 PM
Moon Transit: 8:25 PM
Moonset: 1:17 AM
Moon Phase: First Quarter
Moon Illumination: 61.0%

Best Times for Fishing or Hunting

Major Periods

9:35 AM - 12:05 AM
7:55 PM - 10:25 PM

Minor Periods

2:31 PM - 4:01 PM
12:47 AM - 2:17 AM

Action Rating: 2 out of 5

Wednesday, June 24, 2026

Weather Forecast

Sunny
82°F
60°F
71.5°F
60%
0 in
4%
0%
7.8 mph
9.1


Air Quality

AQI: 1 - Good
PM2.5: 4.79 μg/m3
PM10: 4.88 μg/m3
Carbon Monoxide: 144.54 μg/m3
Nitrogen Dioxide: 6.23 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 75.25 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:03 PM
Sunset: 8:34 PM
Daylight: 15 hrs mins
Moonrise: 4:04 PM
Moon Transit: 9:09 PM
Moonset: 1:41 AM
Moon Phase: First Quarter
Moon Illumination: 71.7%

Best Times for Fishing or Hunting

Major Periods

10:18 AM - 12:48 AM
8:39 PM - 11:09 PM

Minor Periods

3:34 PM - 5:04 PM
1:11 AM - 2:41 AM

Action Rating: 3 out of 5

Thursday, June 25, 2026

Weather Forecast

Patchy rain nearby
85.7°F
63.4°F
72.5°F
58%
0.15 in
57%
0%
9.6 mph
1.3


Air Quality

AQI: 1 - Good
PM2.5: 7.54 μg/m3
PM10: 7.62 μg/m3
Carbon Monoxide: 157.56 μg/m3
Nitrogen Dioxide: 13.46 μg/m3
Sulphur Dioxide: 1.03 μg/m3
Ozone: 44.33 μg/m3

Astronomical

Sunrise: 5:33 AM
Sun Transit: 1:03 PM
Sunset: 8:34 PM
Daylight: 15 hrs mins
Moonrise: 5:07 PM
Moon Transit: 9:55 PM
Moonset: 2:07 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 81.2%

Best Times for Fishing or Hunting

Major Periods

11:04 AM - 1:34 PM
9:25 PM - 11:55 PM

Minor Periods

4:37 PM - 6:07 PM
1:37 AM - 3:07 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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