Water Temperature of the Delaware River in Philadelphia, PA
Current Water Temperature
Measurement Time: Wednesday, October 29, 2025, 6:30 PM EDT
Temperature Locations
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Local Points of Interest
Fort Mifflin; Philadelphia International Airport; Red Bank, NJSponsored Content
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

Humidity: 86%
Feels Like: 47.9°F
Wind: ENE 12.1 mph
Wind Gusts: 17.3 mph
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 6 mi
UV Index: 0
Five Day Weather Forecast

Wed
H: 62°F
L: 46°F

Thu
H: 52°F
L: 48°F

Fri
H: 56°F
L: 47°F

Sat
H: 60°F
L: 46°F

Sun
H: 60°F
L: 45°F
Air Quality
Nitrogen Dioxide: 23.05 μg/m3
Sulphur Dioxide: 6.05 μg/m3
Ozone: 32 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 6:02 PM
Daylight: 10 hrs 35 mins
Moon Transit: 7:20 PM
Moonset: 12:12 AM
Moon Phase: First Quarter
Moon Illumination: 52.5%
Best Times for Fishing or Hunting
Major Periods
8:28 AM - 10:58 AM6:50 PM - 9:20 PM
Minor Periods
1:59 PM - 3:29 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Coastal Flood Advisory issued October 29 at 3:46PM EDT until October 30 at 8:00PM EDT by NWS Mount Holly NJ
Effective: Wed October 29, 2025, 3:46 PM
Expires: Thu October 30, 2025, 5:30 AM
* WHAT...Up to one half foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...In Delaware, New Castle. In New Jersey, Salem. * WHEN...From 3 PM to 8 PM EDT Thursday. * IMPACTS...At this level, flooding begins on the most vulnerable roads along tidal waterways. Some partial or full road closures are possible.
A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge.
Wind Advisory issued October 29 at 2:08PM EDT until October 30 at 5:00PM EDT by NWS Mount Holly NJ
Effective: Wed October 29, 2025, 2:08 PM
Expires: Thu October 30, 2025, 3:15 AM
* WHAT...East winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Eastern Monmouth, Western Monmouth, Coastal Ocean, Ocean, and Southeastern Burlington Counties. * WHEN...From 6 AM to 5 PM EDT Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Coastal Flood Advisory issued October 29 at 3:46PM EDT until October 30 at 8:00PM EDT by NWS Mount Holly NJ
Effective: Wed October 29, 2025, 3:46 PM
Expires: Thu October 30, 2025, 5:30 AM
* WHAT...Up to one foot of inundation above ground level in low- lying areas near shorelines and tidal waterways. * WHERE...Ocean, Atlantic, Coastal Atlantic, Coastal Ocean and Southeastern Burlington. * WHEN...Until 8 PM EDT Thursday. * IMPACTS...At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible. * ADDITIONAL DETAILS...Spotty moderate flooding is possible in the back bays of Barnegat Bay in New Jersey with Thursday evening's high tide cycle.
A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge.
Coastal Flood Advisory issued October 29 at 3:46PM EDT until October 30 at 8:00PM EDT by NWS Mount Holly NJ
Effective: Wed October 29, 2025, 3:46 PM
Expires: Thu October 30, 2025, 5:30 AM
* WHAT...Up to one foot of inundation above ground level expected in low-lying areas near shorelines and tidal waterways. * WHERE...Cumberland. * WHEN...From 1 PM to 8 PM EDT Thursday. * IMPACTS...At this level, flooding begins on the most vulnerable roads in coastal and bayside communities, and along inland tidal waterways. Some partial or full road closures are possible.
A Coastal Flood Advisory means that minor tidal flooding is expected. Minor tidal flooding often results in some road closures. Usually, the most vulnerable roadways will flood. Do not leave your vehicle at a location that is prone to tidal flooding. Do not drive your vehicle through flood waters. The water may be deeper than you think it is. You will be putting yourself in danger and your vehicle may be damaged, leading to costly repairs. Visit the National Water Prediction Service at https://water.noaa.gov/wfo/phi for additional water level and flood impact information for your local tide gauge.
Wind Advisory issued October 29 at 2:08PM EDT until October 30 at 3:00PM EDT by NWS Mount Holly NJ
Effective: Wed October 29, 2025, 2:08 PM
Expires: Thu October 30, 2025, 3:15 AM
* WHAT...East winds 25 to 35 mph with gusts up to 50 mph expected. * WHERE...Atlantic, Atlantic Coastal Cape May, Cape May, and Coastal Atlantic Counties. * WHEN...From 4 AM to 3 PM EDT Thursday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result.
Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects.
Weather Forecast
Average Temperature: 53.1°F
Average Humidity: 69%
Wind: 13.9 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 17.4 μg/m3
Sulphur Dioxide: 5.05 μg/m3
Ozone: 42.12 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 6:02 PM
Daylight: 10 hrs 35 mins
Moon Transit: 7:20 PM
Moonset: 12:12 AM
Moon Phase: First Quarter
Moon Illumination: 52.5%
Best Times for Fishing or Hunting
Major Periods
8:28 AM - 10:58 AM6:50 PM - 9:20 PM
Minor Periods
1:59 PM - 3:29 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 50.7°F
Average Humidity: 90%
Wind: 20.1 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 20.06 μg/m3
Sulphur Dioxide: 4.83 μg/m3
Ozone: 45.52 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 6:01 PM
Daylight: 10 hrs 33 mins
Moon Transit: 8:08 PM
Moonset: 12:20 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%
Best Times for Fishing or Hunting
Major Periods
9:17 AM - 11:47 AM7:38 PM - 10:08 PM
Minor Periods
2:28 PM - 3:58 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 51.3°F
Average Humidity: 76%
Wind: 20.1 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 10.11 μg/m3
Sulphur Dioxide: 4.68 μg/m3
Ozone: 64.08 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 5:59 PM
Daylight: 10 hrs 31 mins
Moon Transit: 8:56 PM
Moonset: 1:29 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
10:04 AM - 12:34 AM8:26 PM - 10:56 PM
Minor Periods
2:54 PM - 4:24 PM12:59 AM - 2:29 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 51.9°F
Average Humidity: 57%
Wind: 16.8 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 11.84 μg/m3
Sulphur Dioxide: 5.69 μg/m3
Ozone: 65.04 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 5:58 PM
Daylight: 10 hrs 28 mins
Moon Transit: 9:43 PM
Moonset: 2:39 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.4%
Best Times for Fishing or Hunting
Major Periods
10:51 AM - 1:21 PM9:13 PM - 11:43 PM
Minor Periods
3:18 PM - 4:48 PM2:09 AM - 3:39 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 51.1°F
Average Humidity: 57%
Wind: 6.3 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 27.98 μg/m3
Sulphur Dioxide: 7.53 μg/m3
Ozone: 32.46 μg/m3
Astronomical
Sun Transit: 12:44 AM
Sunset: 5:57 PM
Daylight: 10 hrs 26 mins
Moon Transit: 12:31 AM
Moonset: 3:50 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%
Best Times for Fishing or Hunting
Major Periods
11:39 AM - 2:09 PM12:01 AM - 2:31 PM
Minor Periods
3:42 PM - 5:12 PM3:20 AM - 4:50 AM
Action Rating: 2 out of 5
