Water Temperature of the Delaware River in Philadelphia, PA

Current Water Temperature

32.9°F

Measurement Time: Tuesday, February 17, 2026, 8:30 AM 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

39.9°F
Overcast
Overcast
36.2°F
40.1°F
83%
W 5.1 mph
6.5 mph
35.3°F
39.1°F
0 in
100%
8 mi
1021 mbar
2.2

Five Day Weather Forecast

Fog
Tue
H: 47°F
L: 34°F
Fog
Wed
H: 39°F
L: 34°F
Fog
Thu
H: 41°F
L: 37°F
Moderate rain
Fri
H: 44°F
L: 34°F
Overcast
Sat
H: 48°F
L: 38°F

Air Quality

AQI: 1 - Good
PM2.5: 43.45 μg/m3
PM10: 43.65 μg/m3
Carbon Monoxide: 479.85 μg/m3
Nitrogen Dioxide: 59.95 μg/m3
Sulphur Dioxide: 14.35 μg/m3
Ozone: 19 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:14 AM
Sunset: 5:39 PM
Daylight: 10 hrs 48 mins
Moonrise: 7:00 AM
Moon Transit: 12:26 AM
Moonset: 6:02 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
11:56 AM - 2:26 PM

Minor Periods

5:32 PM - 7:02 PM
6:30 AM - 8:00 AM

Action Rating: 5 out of 5

Dense Fog Advisory issued February 17 at 1:15PM EST until February 18 at 10:00AM EST by NWS Mount Holly NJ

Effective: Tue February 17, 2026, 1:15 PM
Expires: Wed February 18, 2026, 6:00 AM

* WHAT...Visibility one quarter to one half mile in dense fog. * WHERE...Portions of Delaware, northeast Maryland, New Jersey, and southeast Pennsylvania. * WHEN...From 10 PM this evening to 10 AM EST Wednesday. * IMPACTS...Low visibility could make driving conditions hazardous.

If driving, slow down, use your headlights, and leave plenty of distance ahead of you.


Special Weather Statement issued February 17 at 6:21AM EST by NWS Baltimore MD/Washington DC

Effective: Tue February 17, 2026, 6:21 AM
Expires: Tue February 17, 2026, 9:00 AM

Areas of fog are expected to impact the area through mid-morning. The fog will be dense at times with visibilities below one quarter of a mile. Motorists should slow down as they encounter reduced visibilities and maintain a safe distance between vehicles. When encountering fog, be sure to turn on low beam headlights, slow down, and increase following distance.


Tuesday, February 17, 2026

Weather Forecast

Fog
46.9°F
34.3°F
38.9°F
94%
0 in
0%
0%
7.2 mph
0.5


Air Quality

AQI: 2 - Moderate
PM2.5: 38.24 μg/m3
PM10: 40.21 μg/m3
Carbon Monoxide: 492.05 μg/m3
Nitrogen Dioxide: 53.63 μg/m3
Sulphur Dioxide: 10.53 μg/m3
Ozone: 26.8 μg/m3

Astronomical

Sunrise: 6:51 AM
Sun Transit: 12:14 AM
Sunset: 5:39 PM
Daylight: 10 hrs 48 mins
Moonrise: 7:00 AM
Moon Transit: 12:26 AM
Moonset: 6:02 PM
Moon Phase: New
Moon Illumination: 0.0%

Best Times for Fishing or Hunting

Major Periods

1:35 AM - 4:05 AM
11:56 AM - 2:26 PM

Minor Periods

5:32 PM - 7:02 PM
6:30 AM - 8:00 AM

Action Rating: 5 out of 5

Wednesday, February 18, 2026

Weather Forecast

Fog
39°F
33.6°F
36.7°F
99%
0 in
0%
0%
6.5 mph
0.3


Air Quality

AQI: 2 - Moderate
PM2.5: 39.31 μg/m3
PM10: 39.5 μg/m3
Carbon Monoxide: 424.77 μg/m3
Nitrogen Dioxide: 49.1 μg/m3
Sulphur Dioxide: 10.12 μg/m3
Ozone: 17.44 μg/m3

Astronomical

Sunrise: 6:50 AM
Sun Transit: 12:14 AM
Sunset: 5:40 PM
Daylight: 10 hrs 51 mins
Moonrise: 7:24 AM
Moon Transit: 1:11 PM
Moonset: 7:10 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
12:41 AM - 3:11 PM

Minor Periods

6:40 PM - 8:10 PM
6:54 AM - 8:24 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Fog
40.6°F
36.7°F
39.4°F
97%
0 in
0%
0%
9.4 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 14.32 μg/m3
PM10: 14.63 μg/m3
Carbon Monoxide: 317.65 μg/m3
Nitrogen Dioxide: 22.81 μg/m3
Sulphur Dioxide: 7.04 μg/m3
Ozone: 48.04 μg/m3

Astronomical

Sunrise: 6:48 AM
Sun Transit: 12:14 AM
Sunset: 5:41 PM
Daylight: 10 hrs 53 mins
Moonrise: 7:47 AM
Moon Transit: 1:57 PM
Moonset: 8:20 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

3:06 AM - 5:36 AM
1:27 PM - 3:57 PM

Minor Periods

7:50 PM - 9:20 PM
7:17 AM - 8:47 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Moderate rain
43.8°F
34.3°F
38.3°F
95%
0.32 in
89%
0%
15.4 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 9.67 μg/m3
PM10: 11.85 μg/m3
Carbon Monoxide: 247.94 μg/m3
Nitrogen Dioxide: 20.67 μg/m3
Sulphur Dioxide: 4.02 μg/m3
Ozone: 55.08 μg/m3

Astronomical

Sunrise: 6:47 AM
Sun Transit: 12:14 AM
Sunset: 5:43 PM
Daylight: 10 hrs 56 mins
Moonrise: 8:11 AM
Moon Transit: 2:44 PM
Moonset: 9:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

3:52 AM - 6:22 AM
2:14 PM - 4:44 PM

Minor Periods

9:00 PM - 10:30 PM
7:41 AM - 9:11 AM

Action Rating: 3 out of 5

Saturday, February 21, 2026

Weather Forecast

Overcast
47.9°F
37.7°F
42.3°F
68%
0 in
0%
0%
11.4 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 7.8 μg/m3
PM10: 8.14 μg/m3
Carbon Monoxide: 259.98 μg/m3
Nitrogen Dioxide: 26.08 μg/m3
Sulphur Dioxide: 4.76 μg/m3
Ozone: 43.69 μg/m3

Astronomical

Sunrise: 6:46 AM
Sun Transit: 12:14 AM
Sunset: 5:44 PM
Daylight: 10 hrs 58 mins
Moonrise: 8:36 AM
Moon Transit: 3:32 PM
Moonset: 10:44 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

4:40 AM - 7:10 AM
3:02 PM - 5:32 PM

Minor Periods

10:14 PM - 11:44 PM
8:06 AM - 9:36 AM

Action Rating: 4 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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