Water Temperature of the Delaware River in New Castle, DE

Current Water Temperature

63.0°F

Measurement Time: Friday, May 15, 2026, 8:39 PM EDT

Temperature Locations

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Local Points of Interest

Delaware Memorial Bridge; Wilmington, DE; Pennsville Township, NJ

Delaware River

Station Name: DELAWARE RIVER AT DEL MEM BRIDGE AT WILMINGTON DE
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 0 feet

Nearest Address:
I-295
New Castle, DE 19720
New Castle County

GPS Coordinates: 39.68927997, -75.521588

Nearby Water Temperatures

Christina River, Wilmington, DE (3.4 mi)
Christina River, Newport, DE (4.9 mi)
Brandywine Creek, Wilmington, DE (6.3 mi)
White Clay Creek, Stanton, DE (6.7 mi)
Red Clay Creek, Wooddale, DE (7.9 mi)
White Clay Creek, Newark, DE (8.2 mi)
Pike Creek, Newark, DE (9.3 mi)
Chesapeake & Delaware Canal, Port Penn, DE (9.4 mi)
Delaware River, Marcus Hook, PA (10.3 mi)
Chesapeake and Delaware Canal, Delaware City, DE (10.7 mi)
Christina River, Newark, DE (11.5 mi)
White Clay Creek, Newark, DE (12.1 mi)
Brandywine Creek, Chadds Ford, PA (13 mi)
Delaware River, Middletown, DE (13.2 mi)
White Clay Creek, Landenberg, PA (13.8 mi)

Weather for New Castle, Delaware

Current Weather

55.9°F
Clear
Clear
56.4°F
57.8°F
72%
ENE 2.9 mph
6.1 mph
57.2°F
49.4°F
0 in
0%
9 mi
1019 mbar
0

Five Day Weather Forecast

Sunny
Sat
H: 81°F
L: 53°F
Patchy rain nearby
Sun
H: 80°F
L: 63°F
Patchy rain nearby
Mon
H: 87°F
L: 64°F
Sunny
Tue
H: 89°F
L: 66°F
Sunny
Wed
H: 88°F
L: 66°F

Air Quality

PM2.5: 8.95 μg/m3
PM10: 9.65 μg/m3
Carbon Monoxide: 225.85 μg/m3
Nitrogen Dioxide: 22.45 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 25 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 12:58 AM
Sunset: 8:11 PM
Daylight: 14 hrs 24 mins
Moonrise: 5:08 AM
Moon Transit: 12:45 AM
Moonset: 8:34 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

1:45 AM - 4:15 AM
12:15 AM - 2:45 PM

Minor Periods

8:04 PM - 9:34 PM
4:38 AM - 6:08 AM

Action Rating: 5 out of 5

Saturday, May 16, 2026

Weather Forecast

Sunny
81°F
53.2°F
66.9°F
59%
0 in
0%
0%
13.2 mph
8.5


Air Quality

AQI: 1 - Good
PM2.5: 6.98 μg/m3
PM10: 7.59 μg/m3
Carbon Monoxide: 197.05 μg/m3
Nitrogen Dioxide: 12 μg/m3
Sulphur Dioxide: 1.72 μg/m3
Ozone: 73.92 μg/m3

Astronomical

Sunrise: 5:47 AM
Sun Transit: 12:58 AM
Sunset: 8:11 PM
Daylight: 14 hrs 24 mins
Moonrise: 5:08 AM
Moon Transit: 12:45 AM
Moonset: 8:34 PM
Moon Phase: New
Moon Illumination: 2.0%

Best Times for Fishing or Hunting

Major Periods

1:45 AM - 4:15 AM
12:15 AM - 2:45 PM

Minor Periods

8:04 PM - 9:34 PM
4:38 AM - 6:08 AM

Action Rating: 5 out of 5

Sunday, May 17, 2026

Weather Forecast

Patchy rain nearby
79.5°F
62.5°F
70.5°F
77%
0.05 in
88%
0%
9.6 mph
7.1


Air Quality

AQI: 1 - Good
PM2.5: 6.81 μg/m3
PM10: 7.38 μg/m3
Carbon Monoxide: 159.49 μg/m3
Nitrogen Dioxide: 5.09 μg/m3
Sulphur Dioxide: 2.01 μg/m3
Ozone: 107.48 μg/m3

Astronomical

Sunrise: 5:46 AM
Sun Transit: 12:58 AM
Sunset: 8:12 PM
Daylight: 14 hrs 26 mins
Moonrise: 5:54 AM
Moon Transit: 1:49 PM
Moonset: 9:52 PM
Moon Phase: New
Moon Illumination: 0.2%

Best Times for Fishing or Hunting

Major Periods

2:47 AM - 5:17 AM
1:19 PM - 3:49 PM

Minor Periods

9:22 PM - 10:52 PM
5:24 AM - 6:54 AM

Action Rating: 5 out of 5

Monday, May 18, 2026

Weather Forecast

Patchy rain nearby
87.4°F
63.9°F
74.3°F
72%
0.13 in
88%
0%
8.5 mph
8.8


Air Quality

AQI: 1 - Good
PM2.5: 11.66 μg/m3
PM10: 12.81 μg/m3
Carbon Monoxide: 181.16 μg/m3
Nitrogen Dioxide: 16.42 μg/m3
Sulphur Dioxide: 2.07 μg/m3
Ozone: 96.56 μg/m3

Astronomical

Sunrise: 5:45 AM
Sun Transit: 12:58 AM
Sunset: 8:13 PM
Daylight: 14 hrs 28 mins
Moonrise: 6:52 AM
Moon Transit: 2:56 PM
Moonset: 11:02 PM
Moon Phase: New
Moon Illumination: 2.6%

Best Times for Fishing or Hunting

Major Periods

3:54 AM - 6:24 AM
2:26 PM - 4:56 PM

Minor Periods

12:00 AM - 12:00 AM
6:22 AM - 7:52 AM

Action Rating: 3 out of 5

Tuesday, May 19, 2026

Weather Forecast

Sunny
89.4°F
65.5°F
77°F
67%
0 in
0%
0%
9.6 mph
8.9


Air Quality

AQI: 1 - Good
PM2.5: 8.76 μg/m3
PM10: 10.73 μg/m3
Carbon Monoxide: 179.32 μg/m3
Nitrogen Dioxide: 6.37 μg/m3
Sulphur Dioxide: 1.73 μg/m3
Ozone: 74.15 μg/m3

Astronomical

Sunrise: 5:44 AM
Sun Transit: 12:58 AM
Sunset: 8:14 PM
Daylight: 14 hrs 30 mins
Moonrise: 8:00 AM
Moon Transit: 4:02 PM
Moonset: 12:02 AM
Moon Phase: Waxing Crescent
Moon Illumination: 7.4%

Best Times for Fishing or Hunting

Major Periods

5:01 AM - 7:31 AM
3:32 PM - 6:02 PM

Minor Periods

7:30 AM - 9:00 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

Wednesday, May 20, 2026

Weather Forecast

Sunny
88.4°F
65.7°F
75.5°F
62%
0 in
0%
0%
10.5 mph
1.1


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: 5:43 AM
Sun Transit: 12:58 AM
Sunset: 8:15 PM
Daylight: 14 hrs 31 mins
Moonrise: 9:15 AM
Moon Transit: 5:04 PM
Moonset: 12:58 AM
Moon Phase: Waxing Crescent
Moon Illumination: 14.4%

Best Times for Fishing or Hunting

Major Periods

6:05 AM - 8:35 AM
4:34 PM - 7:04 PM

Minor Periods

8:45 AM - 10:15 AM
12:00 AM - 12:00 AM

Action Rating: 3 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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