Water Temperature of the Delaware River in Philadelphia, PA
Current Water Temperature
Measurement Time: Monday, April 6, 2026, 4:30 PM EDT
Temperature Locations
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Local Points of Interest
Fort Mifflin; Philadelphia International Airport; Red Bank, NJStation 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

Five Day Weather Forecast

Mon
H: 59°F
L: 38°F

Tue
H: 55°F
L: 38°F

Wed
H: 53°F
L: 30°F

Thu
H: 44°F
L: 33°F

Fri
H: 66°F
L: 41°F
Air Quality
Nitrogen Dioxide: 36.45 μg/m3
Sulphur Dioxide: 6.65 μg/m3
Ozone: 39 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 7:30 PM
Daylight: 12 hrs 53 mins
Moon Transit: 4:07 AM
Moonset: 8:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.7%
Best Times for Fishing or Hunting
Major Periods
3:37 AM - 6:07 AM6:04 PM - 8:34 PM
Minor Periods
8:07 AM - 9:37 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Freeze Watch issued April 6 at 12:15PM EDT until April 8 at 9:00AM EDT by NWS Mount Holly NJ
Effective: Mon April 6, 2026, 12:15 PM
Expires: Tue April 7, 2026, 6:00 AM
* WHAT...Sub-freezing temperatures as low as 24 possible. * WHERE...Portions of central, northern, and southern Delaware, northeast Maryland, central and southern New Jersey, and east central and southeast Pennsylvania. * WHEN...From late Tuesday night through Wednesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
Freeze Watch issued April 6 at 1:49PM EDT until April 8 at 9:00AM EDT by NWS Baltimore MD/Washington DC
Effective: Mon April 6, 2026, 1:49 PM
Expires: Mon April 6, 2026, 10:00 PM
* WHAT...Sub-freezing temperatures 25 to 31 degrees possible. * WHERE...Portions of central, northern, and northeast Maryland, central, northern, and northeast Virginia, and the eastern panhandle of West Virginia. * WHEN...From late Tuesday night through Wednesday morning. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.
Take steps now to protect tender plants from the cold.
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.18 μg/m3
Sulphur Dioxide: 4.31 μg/m3
Ozone: 79.12 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 7:30 PM
Daylight: 12 hrs 53 mins
Moon Transit: 4:07 AM
Moonset: 8:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 74.7%
Best Times for Fishing or Hunting
Major Periods
3:37 AM - 6:07 AM6:04 PM - 8:34 PM
Minor Periods
8:07 AM - 9:37 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 16.17 μg/m3
Sulphur Dioxide: 5.3 μg/m3
Ozone: 65.48 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:31 PM
Daylight: 12 hrs 55 mins
Moon Transit: 4:57 AM
Moonset: 9:20 AM
Moon Phase: Waning Gibbous
Moon Illumination: 64.3%
Best Times for Fishing or Hunting
Major Periods
4:27 AM - 6:57 AM6:56 PM - 9:26 PM
Minor Periods
8:50 AM - 10:20 AM12:04 AM - 1:34 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 12.21 μg/m3
Sulphur Dioxide: 4.82 μg/m3
Ozone: 80.6 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:32 PM
Daylight: 12 hrs 58 mins
Moon Transit: 5:49 AM
Moonset: 10:11 AM
Moon Phase: Last Quarter
Moon Illumination: 53.2%
Best Times for Fishing or Hunting
Major Periods
5:19 AM - 7:49 AM7:47 PM - 10:17 PM
Minor Periods
9:41 AM - 11:11 AM12:58 AM - 2:28 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 15.57 μg/m3
Sulphur Dioxide: 4.53 μg/m3
Ozone: 79.04 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:33 PM
Daylight: 13 hrs 1 mins
Moon Transit: 6:40 AM
Moonset: 11:08 AM
Moon Phase: Last Quarter
Moon Illumination: 41.9%
Best Times for Fishing or Hunting
Major Periods
6:10 AM - 8:40 AM8:38 PM - 11:08 PM
Minor Periods
10:38 AM - 12:08 AM1:46 AM - 3:16 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 13.13 μg/m3
Sulphur Dioxide: 4.19 μg/m3
Ozone: 73.38 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 7:34 PM
Daylight: 13 hrs 3 mins
Moon Transit: 7:31 AM
Moonset: 12:11 AM
Moon Phase: Last Quarter
Moon Illumination: 31.0%
Best Times for Fishing or Hunting
Major Periods
7:01 AM - 9:31 AM9:28 PM - 11:58 PM
Minor Periods
11:41 AM - 1:11 PM2:27 AM - 3:57 AM
Action Rating: 2 out of 5
