Water Temperature of the Delaware River in Philadelphia, PA

Current Water Temperature

35.6°F

Measurement Time: Wednesday, December 31, 2025, 8:30 PM EST

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

35.1°F
Overcast
Overcast
28.1°F
31.9°F
58%
SW 8.7 mph
14.2 mph
24.5°F
23.1°F
0 in
100%
9 mi
1004 mbar
0

Five Day Weather Forecast

Sunny
Thu
H: 35°F
L: 24°F
Overcast
Fri
H: 34°F
L: 23°F
Partly Cloudy
Sat
H: 34°F
L: 25°F
Sunny
Sun
H: 38°F
L: 29°F
Partly Cloudy
Mon
H: 30°F
L: 26°F

Air Quality

PM2.5: 10.95 μg/m3
PM10: 11.15 μg/m3
Carbon Monoxide: 207.85 μg/m3
Nitrogen Dioxide: 15.95 μg/m3
Sulphur Dioxide: 9.35 μg/m3
Ozone: 43 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:04 AM
Sunset: 4:47 PM
Daylight: 9 hrs 25 mins
Moonrise: 2:41 PM
Moon Transit: 10:46 PM
Moonset: 5:44 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

11:47 AM - 2:17 PM
12:00 AM - 12:00 AM

Minor Periods

2:11 PM - 3:41 PM
5:14 AM - 6:44 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Sunny
34.5°F
23.5°F
30.5°F
56%
0 in
0%
3%
14.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 8.87 μg/m3
PM10: 9.05 μg/m3
Carbon Monoxide: 209.33 μg/m3
Nitrogen Dioxide: 17.57 μg/m3
Sulphur Dioxide: 8.24 μg/m3
Ozone: 51.48 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:04 AM
Sunset: 4:47 PM
Daylight: 9 hrs 25 mins
Moonrise: 2:41 PM
Moon Transit: 10:46 PM
Moonset: 5:44 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 96.0%

Best Times for Fishing or Hunting

Major Periods

11:47 AM - 2:17 PM
12:00 AM - 12:00 AM

Minor Periods

2:11 PM - 3:41 PM
5:14 AM - 6:44 AM

Action Rating: 2 out of 5

Friday, January 2, 2026

Weather Forecast

Overcast
34.2°F
23°F
27.3°F
53%
0 in
0%
0%
12.1 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 8.01 μg/m3
PM10: 8.13 μg/m3
Carbon Monoxide: 203.49 μg/m3
Nitrogen Dioxide: 17.69 μg/m3
Sulphur Dioxide: 9.73 μg/m3
Ozone: 58.12 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:04 AM
Sunset: 4:48 PM
Daylight: 9 hrs 26 mins
Moonrise: 3:48 PM
Moon Transit: 11:53 PM
Moonset: 6:55 AM
Moon Phase: Full
Moon Illumination: 99.2%

Best Times for Fishing or Hunting

Major Periods

12:54 AM - 3:24 PM
12:00 AM - 12:00 AM

Minor Periods

3:18 PM - 4:48 PM
6:25 AM - 7:55 AM

Action Rating: 4 out of 5

Saturday, January 3, 2026

Weather Forecast

Partly Cloudy
34.2°F
24.8°F
30.1°F
63%
0 in
0%
3%
7.6 mph
0.3


Air Quality

AQI: 2 - Moderate
PM2.5: 15.64 μg/m3
PM10: 15.89 μg/m3
Carbon Monoxide: 237.98 μg/m3
Nitrogen Dioxide: 30.45 μg/m3
Sulphur Dioxide: 11.3 μg/m3
Ozone: 39.24 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:05 AM
Sunset: 4:49 PM
Daylight: 9 hrs 26 mins
Moonrise: 5:03 PM
Moon Transit: 12:00 AM
Moonset: 7:53 AM
Moon Phase: Full
Moon Illumination: 99.9%

Best Times for Fishing or Hunting

Major Periods

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

Minor Periods

4:33 PM - 6:03 PM
7:23 AM - 8:53 AM

Action Rating: 6 out of 5

Sunday, January 4, 2026

Weather Forecast

Sunny
38°F
29°F
32.5°F
49%
0 in
0%
3%
11.2 mph
0.3


Air Quality

AQI: 2 - Moderate
PM2.5: 19.15 μg/m3
PM10: 19.83 μg/m3
Carbon Monoxide: 375.46 μg/m3
Nitrogen Dioxide: 47.19 μg/m3
Sulphur Dioxide: 9.83 μg/m3
Ozone: 16.69 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:05 AM
Sunset: 4:50 PM
Daylight: 9 hrs 27 mins
Moonrise: 6:22 PM
Moon Transit: 12:57 AM
Moonset: 8:40 AM
Moon Phase: Full
Moon Illumination: 98.1%

Best Times for Fishing or Hunting

Major Periods

12:27 AM - 2:57 AM
2:59 PM - 5:29 PM

Minor Periods

5:52 PM - 7:22 PM
8:10 AM - 9:40 AM

Action Rating: 3 out of 5

Monday, January 5, 2026

Weather Forecast

Partly Cloudy
29.7°F
25.5°F
27.6°F
50%
0 in
0%
5%
10.3 mph
0


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: 7:22 AM
Sun Transit: 12:06 AM
Sunset: 4:50 PM
Daylight: 9 hrs 28 mins
Moonrise: 7:37 PM
Moon Transit: 1:55 AM
Moonset: 9:15 AM
Moon Phase: Full
Moon Illumination: 93.7%

Best Times for Fishing or Hunting

Major Periods

1:25 AM - 3:55 AM
3:54 PM - 6:24 PM

Minor Periods

7:07 PM - 8:37 PM
8:45 AM - 10:15 AM

Action Rating: 3 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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