Water Temperature of the Delaware River in Philadelphia, PA

Current Water Temperature

37.0°F

Measurement Time: Saturday, December 27, 2025, 11:30 PM EST

Temperature Locations

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Local Points of Interest

Fort Mifflin; Philadelphia International Airport; Red Bank, NJ

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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

27.5°F
Cloudy
Conditions: Cloudy
Humidity: 86%
Heat Index: 27.5°F
Feels Like: 27.5°F
Wind: WSW 0.6 mph
Wind Gusts: 1 mph
Wind Chill: 27.5°F
Air Pressure: 1023.55 millibars
Dew Point: 27.5°F
Chance of Precipitation: 10%
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 10 mi
UV Index: 0

Five Day Weather Forecast

Overcast
Sun
H: 38°F
L: 25°F
Overcast
Mon
H: 52°F
L: 30°F
Sunny
Tue
H: 36°F
L: 26°F
Partly Cloudy
Wed
H: 38°F
L: 28°F
Light freezing rain
Thu
H: 35°F
L: 31°F

Air Quality

AQI: 1 - Good
PM2.5: 58.05 μg/m3
PM10: 60.15 μg/m3
Carbon Monoxide: 640.85 μg/m3
Nitrogen Dioxide: 56.65 μg/m3
Sulphur Dioxide: 17.75 μg/m3
Ozone: 7 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:02 AM
Sunset: 4:44 PM
Daylight: 9 hrs 23 mins
Moonrise: 12:02 AM
Moon Transit: 6:49 PM
Moonset: 12:38 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
6:19 PM - 8:49 PM

Minor Periods

11:32 AM - 1:02 PM
12:08 AM - 1:38 AM

Action Rating: 2 out of 5

Sunday, December 28, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 32.1°F
Average Humidity: 89%
Chance of Rain: 0%
Wind: 11.2 mph
UV Index: 0.2

Air Quality

AQI: 2 - Moderate
PM2.5: 32.14 μg/m3
PM10: 33.37 μg/m3
Carbon Monoxide: 446.29 μg/m3
Nitrogen Dioxide: 53.73 μg/m3
Sulphur Dioxide: 12.61 μg/m3
Ozone: 10.6 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:02 AM
Sunset: 4:44 PM
Daylight: 9 hrs 23 mins
Moonrise: 12:02 AM
Moon Transit: 6:49 PM
Moonset: 12:38 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%

Best Times for Fishing or Hunting

Major Periods

7:57 AM - 10:27 AM
6:19 PM - 8:49 PM

Minor Periods

11:32 AM - 1:02 PM
12:08 AM - 1:38 AM

Action Rating: 2 out of 5

Monday, December 29, 2025

Weather Forecast

Conditions: Overcast
Average Temperature: 42.8°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 20.4 mph
UV Index: 0.1

Air Quality

AQI: 1 - Good
PM2.5: 11.11 μg/m3
PM10: 11.68 μg/m3
Carbon Monoxide: 190.37 μg/m3
Nitrogen Dioxide: 14.67 μg/m3
Sulphur Dioxide: 5.95 μg/m3
Ozone: 48.44 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:03 AM
Sunset: 4:45 PM
Daylight: 9 hrs 23 mins
Moonrise: 12:30 AM
Moon Transit: 7:41 PM
Moonset: 1:50 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%

Best Times for Fishing or Hunting

Major Periods

8:47 AM - 11:17 AM
7:11 PM - 9:41 PM

Minor Periods

12:00 AM - 1:30 PM
1:20 AM - 2:50 AM

Action Rating: 2 out of 5

Tuesday, December 30, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 29.8°F
Average Humidity: 55%
Chance of Rain: 0%
Wind: 20.8 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 3.03 μg/m3
PM10: 3.04 μg/m3
Carbon Monoxide: 173.77 μg/m3
Nitrogen Dioxide: 7.56 μg/m3
Sulphur Dioxide: 4.45 μg/m3
Ozone: 65.32 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:03 AM
Sunset: 4:45 PM
Daylight: 9 hrs 24 mins
Moonrise: 1:03 PM
Moon Transit: 8:38 PM
Moonset: 3:06 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%

Best Times for Fishing or Hunting

Major Periods

9:42 AM - 12:12 AM
8:08 PM - 10:38 PM

Minor Periods

12:33 AM - 2:03 PM
2:36 AM - 4:06 AM

Action Rating: 2 out of 5

Wednesday, December 31, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 32.1°F
Average Humidity: 49%
Chance of Rain: 0%
Wind: 15 mph
UV Index: 0.3

Air Quality

AQI: 1 - Good
PM2.5: 6.79 μg/m3
PM10: 7.09 μg/m3
Carbon Monoxide: 181.95 μg/m3
Nitrogen Dioxide: 13.8 μg/m3
Sulphur Dioxide: 9.31 μg/m3
Ozone: 59.28 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:04 AM
Sunset: 4:46 PM
Daylight: 9 hrs 24 mins
Moonrise: 1:46 PM
Moon Transit: 9:40 PM
Moonset: 4:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.5%

Best Times for Fishing or Hunting

Major Periods

10:42 AM - 1:12 PM
9:10 PM - 11:40 PM

Minor Periods

1:16 PM - 2:46 PM
3:56 AM - 5:26 AM

Action Rating: 2 out of 5

Thursday, January 1, 2026

Weather Forecast

Conditions: Light freezing rain
Average Temperature: 33°F
Average Humidity: 66%
Chance of Rain: 83%
Wind: 12.1 mph
UV Index: 0

Air Quality

AQI: 1 - Good
PM2.5: 6.12 μg/m3
PM10: 6.24 μg/m3
Carbon Monoxide: 203.4 μg/m3
Nitrogen Dioxide: 15.85 μg/m3
Sulphur Dioxide: 7.89 μg/m3
Ozone: 53.62 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

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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