Water Temperature of the Delaware River in Philadelphia, PA

Current Water Temperature

81.3°F

Measurement Time: Thursday, August 14, 2025, 8:30 PM EDT

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 / 0 meters

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

78.1°F
Thundery outbreaks in nearby
Conditions: Thundery outbreaks in nearby
Humidity: 87%
Feels Like: 82.7°F
Wind: W 2.2 mph
Wind Gusts: 3.8 mph
Pressure: 30.01 in
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Partly Cloudy
Fri
H: 87°F
L: 75°F
Cloudy
Sat
H: 86°F
L: 72°F
Mist
Sun
H: 83°F
L: 71°F
Patchy rain nearby
Mon
H: 73°F
L: 69°F
Partly Cloudy
Tue
H: 82°F
L: 64°F

Air Quality

PM2.5: 47.55 μg/m3
PM10: 47.55 μg/m3
Carbon Monoxide: 782.55 μg/m3
Nitrogen Dioxide: 51.99 μg/m3
Sulphur Dioxide: 7.22 μg/m3
Ozone: 22 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:05 PM
Sunset: 7:57 PM
Daylight: 13 hrs 44 mins
Moonrise: 11:14 PM
Moon Transit: 5:58 AM
Moonset: 1:29 PM
Moon Phase: Last Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

5:28 AM - 7:58 AM
7:58 PM - 10:28 PM

Minor Periods

12:00 AM - 12:00 AM
12:59 AM - 2:29 PM

Action Rating: 3 out of 5

Friday, August 15, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 81.2°F
Average Humidity: 71%
Chance of Rain: 0%
Wind: 8.5 mph
UV Index: 1.7

Air Quality

AQI: 3 - Unhealthy for Sensitive Groups
PM2.5: 47.63 μg/m3
PM10: 47.9 μg/m3
Carbon Monoxide: 675.18 μg/m3
Nitrogen Dioxide: 44.66 μg/m3
Sulphur Dioxide: 10.28 μg/m3
Ozone: 97.96 μg/m3

Astronomical

Sunrise: 6:13 AM
Sun Transit: 1:05 PM
Sunset: 7:57 PM
Daylight: 13 hrs 44 mins
Moonrise: 11:14 PM
Moon Transit: 5:58 AM
Moonset: 1:29 PM
Moon Phase: Last Quarter
Moon Illumination: 50.4%

Best Times for Fishing or Hunting

Major Periods

5:28 AM - 7:58 AM
7:58 PM - 10:28 PM

Minor Periods

12:00 AM - 12:00 AM
12:59 AM - 2:29 PM

Action Rating: 3 out of 5

Saturday, August 16, 2025

Weather Forecast

Conditions: Cloudy
Average Temperature: 78.2°F
Average Humidity: 76%
Chance of Rain: 0%
Wind: 6.5 mph
UV Index: 2

Air Quality

AQI: 2 - Moderate
PM2.5: 33.94 μg/m3
PM10: 35.33 μg/m3
Carbon Monoxide: 412.85 μg/m3
Nitrogen Dioxide: 23.61 μg/m3
Sulphur Dioxide: 5.83 μg/m3
Ozone: 106.24 μg/m3

Astronomical

Sunrise: 6:14 AM
Sun Transit: 1:05 PM
Sunset: 7:55 PM
Daylight: 13 hrs 41 mins
Moonrise: 12:14 AM
Moon Transit: 6:54 AM
Moonset: 2:46 PM
Moon Phase: Last Quarter
Moon Illumination: 39.1%

Best Times for Fishing or Hunting

Major Periods

6:24 AM - 8:54 AM
8:57 PM - 11:27 PM

Minor Periods

2:16 PM - 3:46 PM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, August 17, 2025

Weather Forecast

Conditions: Mist
Average Temperature: 75.9°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 10.3 mph
UV Index: 2.1

Air Quality

AQI: 2 - Moderate
PM2.5: 23.51 μg/m3
PM10: 25 μg/m3
Carbon Monoxide: 397.23 μg/m3
Nitrogen Dioxide: 25.66 μg/m3
Sulphur Dioxide: 7.96 μg/m3
Ozone: 89.6 μg/m3

Astronomical

Sunrise: 6:15 AM
Sun Transit: 1:04 PM
Sunset: 7:54 PM
Daylight: 13 hrs 39 mins
Moonrise: 12:57 AM
Moon Transit: 7:53 AM
Moonset: 3:58 PM
Moon Phase: Last Quarter
Moon Illumination: 28.4%

Best Times for Fishing or Hunting

Major Periods

7:23 AM - 9:53 AM
12:00 AM - 12:00 AM

Minor Periods

3:28 PM - 4:58 PM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Monday, August 18, 2025

Weather Forecast

Conditions: Patchy rain nearby
Average Temperature: 72.7°F
Average Humidity: 76%
Chance of Rain: 84%
Wind: 11 mph
UV Index: 0.9

Air Quality

AQI: 2 - Moderate
PM2.5: 22.03 μg/m3
PM10: 22.34 μg/m3
Carbon Monoxide: 471.47 μg/m3
Nitrogen Dioxide: 30.07 μg/m3
Sulphur Dioxide: 8.08 μg/m3
Ozone: 76 μg/m3

Astronomical

Sunrise: 6:16 AM
Sun Transit: 1:04 PM
Sunset: 7:53 PM
Daylight: 13 hrs 37 mins
Moonrise: 12:49 AM
Moon Transit: 8:55 AM
Moonset: 5:03 PM
Moon Phase: Last Quarter
Moon Illumination: 18.9%

Best Times for Fishing or Hunting

Major Periods

8:25 AM - 10:55 AM
12:00 AM - 12:00 AM

Minor Periods

4:33 PM - 6:03 PM
12:19 AM - 1:49 AM

Action Rating: 2 out of 5

Tuesday, August 19, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 70.3°F
Average Humidity: 63%
Chance of Rain: 0%
Wind: 10.1 mph
UV Index: 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: 6:17 AM
Sun Transit: 1:04 PM
Sunset: 7:51 PM
Daylight: 13 hrs 34 mins
Moonrise: 1:52 AM
Moon Transit: 9:57 AM
Moonset: 5:57 PM
Moon Phase: Waning Crescent
Moon Illumination: 10.9%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
9:27 AM - 11:57 AM

Minor Periods

5:27 PM - 6:57 PM
1:22 AM - 2:52 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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