Water Temperature of the Delaware River in Philadelphia, PA

Current Water Temperature

36.0°F

Measurement Time: Monday, January 19, 2026, 7:30 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

32.2°F
Partly cloudy
Partly cloudy
22.1°F
32.1°F
63%
WSW 14.1 mph
17.7 mph
23.1°F
24.8°F
0 in
75%
9 mi
1016 mbar
2.1

Five Day Weather Forecast

Sunny
Mon
H: 37°F
L: 19°F
Sunny
Tue
H: 27°F
L: 16°F
Sunny
Wed
H: 40°F
L: 16°F
Patchy moderate snow
Thu
H: 45°F
L: 26°F
Partly Cloudy
Fri
H: 37°F
L: 14°F

Air Quality

AQI: 1 - Good
PM2.5: 13.15 μg/m3
PM10: 13.25 μg/m3
Carbon Monoxide: 214.85 μg/m3
Nitrogen Dioxide: 20.25 μg/m3
Sulphur Dioxide: 6.55 μg/m3
Ozone: 52 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:11 AM
Sunset: 5:05 PM
Daylight: 9 hrs 47 mins
Moonrise: 8:04 AM
Moon Transit: 12:58 AM
Moonset: 6:00 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
12:28 AM - 2:58 PM

Minor Periods

5:30 PM - 7:00 PM
7:34 AM - 9:04 AM

Action Rating: 5 out of 5

Cold Weather Advisory issued January 19 at 3:11AM EST until January 20 at 10:00AM EST by NWS Mount Holly NJ

Effective: Mon January 19, 2026, 3:11 AM
Expires: Mon January 19, 2026, 4:15 PM

* WHAT...Very cold wind chills as low as 5 degrees below zero expected. * WHERE...Portions of central, northern, and northwest New Jersey and southeast Pennsylvania. * WHEN...From 2 AM to 10 AM EST Tuesday.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Monday, January 19, 2026

Weather Forecast

Sunny
37°F
19.4°F
27.5°F
71%
0 in
0%
0%
16.3 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 12.2 μg/m3
PM10: 12.47 μg/m3
Carbon Monoxide: 233.89 μg/m3
Nitrogen Dioxide: 20.3 μg/m3
Sulphur Dioxide: 7.68 μg/m3
Ozone: 46.12 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:11 AM
Sunset: 5:05 PM
Daylight: 9 hrs 47 mins
Moonrise: 8:04 AM
Moon Transit: 12:58 AM
Moonset: 6:00 PM
Moon Phase: New
Moon Illumination: 0.4%

Best Times for Fishing or Hunting

Major Periods

2:06 AM - 4:36 AM
12:28 AM - 2:58 PM

Minor Periods

5:30 PM - 7:00 PM
7:34 AM - 9:04 AM

Action Rating: 5 out of 5

Tuesday, January 20, 2026

Weather Forecast

Sunny
27.3°F
16.2°F
20.9°F
55%
0 in
0%
0%
15.2 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 8.17 μg/m3
PM10: 8.38 μg/m3
Carbon Monoxide: 208.81 μg/m3
Nitrogen Dioxide: 14.88 μg/m3
Sulphur Dioxide: 7.49 μg/m3
Ozone: 55.2 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:11 AM
Sunset: 5:06 PM
Daylight: 9 hrs 48 mins
Moonrise: 8:33 AM
Moon Transit: 1:45 PM
Moonset: 7:07 PM
Moon Phase: New
Moon Illumination: 3.1%

Best Times for Fishing or Hunting

Major Periods

2:54 AM - 5:24 AM
1:15 PM - 3:45 PM

Minor Periods

6:37 PM - 8:07 PM
8:03 AM - 9:33 AM

Action Rating: 3 out of 5

Wednesday, January 21, 2026

Weather Forecast

Sunny
39.6°F
16.2°F
26.2°F
55%
0 in
0%
0%
16.3 mph
0.4


Air Quality

AQI: 2 - Moderate
PM2.5: 17.73 μg/m3
PM10: 18.47 μg/m3
Carbon Monoxide: 232.48 μg/m3
Nitrogen Dioxide: 32.21 μg/m3
Sulphur Dioxide: 8.88 μg/m3
Ozone: 41.04 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 12:12 AM
Sunset: 5:07 PM
Daylight: 9 hrs 50 mins
Moonrise: 8:57 AM
Moon Transit: 2:30 PM
Moonset: 8:14 PM
Moon Phase: Waxing Crescent
Moon Illumination: 8.1%

Best Times for Fishing or Hunting

Major Periods

3:40 AM - 6:10 AM
2:00 PM - 4:30 PM

Minor Periods

7:44 PM - 9:14 PM
8:27 AM - 9:57 AM

Action Rating: 2 out of 5

Thursday, January 22, 2026

Weather Forecast

Patchy moderate snow
45°F
25.9°F
33.8°F
64%
0.03 in
75%
0%
15 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 11.69 μg/m3
PM10: 12.32 μg/m3
Carbon Monoxide: 238.37 μg/m3
Nitrogen Dioxide: 19.34 μg/m3
Sulphur Dioxide: 6.76 μg/m3
Ozone: 54.96 μg/m3

Astronomical

Sunrise: 7:17 AM
Sun Transit: 12:12 AM
Sunset: 5:08 PM
Daylight: 9 hrs 52 mins
Moonrise: 9:20 AM
Moon Transit: 12:00 AM
Moonset: 9:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:25 AM - 6:55 AM

Minor Periods

8:51 PM - 10:21 PM
8:50 AM - 10:20 AM

Action Rating: 3 out of 5

Friday, January 23, 2026

Weather Forecast

Partly Cloudy
36.7°F
14.3°F
28.9°F
59%
0 in
0%
0%
17 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 9.7 μg/m3
PM10: 9.84 μg/m3
Carbon Monoxide: 236 μg/m3
Nitrogen Dioxide: 21.07 μg/m3
Sulphur Dioxide: 7.93 μg/m3
Ozone: 52.08 μg/m3

Astronomical

Sunrise: 7:16 AM
Sun Transit: 12:12 AM
Sunset: 5:09 PM
Daylight: 9 hrs 53 mins
Moonrise: 9:42 AM
Moon Transit: 9:54 AM
Moonset: 10:30 PM
Moon Phase: Waxing Crescent
Moon Illumination: 24.4%

Best Times for Fishing or Hunting

Major Periods

9:24 AM - 11:54 AM
9:24 AM - 11:54 AM

Minor Periods

10:00 PM - 11:30 PM
9:12 AM - 10:42 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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