Water Temperature of the Delaware River in New Castle, DE

Current Water Temperature

36.3°F

Measurement Time: Friday, January 9, 2026, 8:03 AM EST

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

48°F
Overcast
Overcast
42.9°F
53.8°F
80%
S 11.9 mph
15.8 mph
50.9°F
43.4°F
0 in
100%
9 mi
1021 mbar
1.4

Five Day Weather Forecast

Partly Cloudy
Fri
H: 60°F
L: 32°F
Heavy rain
Sat
H: 52°F
L: 45°F
Patchy rain nearby
Sun
H: 47°F
L: 34°F
Sunny
Mon
H: 42°F
L: 31°F
Sunny
Tue
H: 45°F
L: 31°F

Air Quality

AQI: 1 - Good
PM2.5: 10.35 μg/m3
PM10: 11.25 μg/m3
Carbon Monoxide: 200.85 μg/m3
Nitrogen Dioxide: 8.95 μg/m3
Sulphur Dioxide: 3.75 μg/m3
Ozone: 60 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:09 AM
Sunset: 4:56 PM
Daylight: 9 hrs 33 mins
Moonrise: 12:01 AM
Moon Transit: 5:01 AM
Moonset: 10:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

4:31 AM - 7:01 AM
6:51 PM - 9:21 PM

Minor Periods

10:23 AM - 11:53 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Friday, January 9, 2026

Weather Forecast

Partly Cloudy
59.9°F
31.5°F
44.2°F
82%
0 in
0%
0%
11.9 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 15.23 μg/m3
PM10: 16.24 μg/m3
Carbon Monoxide: 245.29 μg/m3
Nitrogen Dioxide: 19.38 μg/m3
Sulphur Dioxide: 5.61 μg/m3
Ozone: 33.6 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:09 AM
Sunset: 4:56 PM
Daylight: 9 hrs 33 mins
Moonrise: 12:01 AM
Moon Transit: 5:01 AM
Moonset: 10:53 AM
Moon Phase: Waning Gibbous
Moon Illumination: 57.8%

Best Times for Fishing or Hunting

Major Periods

4:31 AM - 7:01 AM
6:51 PM - 9:21 PM

Minor Periods

10:23 AM - 11:53 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Saturday, January 10, 2026

Weather Forecast

Heavy rain
51.7°F
45.1°F
50.6°F
97%
2.76 in
89%
0%
11 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 9.36 μg/m3
PM10: 9.49 μg/m3
Carbon Monoxide: 265.29 μg/m3
Nitrogen Dioxide: 20.26 μg/m3
Sulphur Dioxide: 6.01 μg/m3
Ozone: 31.12 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:09 AM
Sunset: 4:57 PM
Daylight: 9 hrs 35 mins
Moonrise: 12:03 AM
Moon Transit: 5:43 AM
Moonset: 11:14 AM
Moon Phase: Last Quarter
Moon Illumination: 46.5%

Best Times for Fishing or Hunting

Major Periods

5:13 AM - 7:43 AM
7:33 PM - 10:03 PM

Minor Periods

10:44 AM - 12:14 AM
12:00 AM - 12:00 AM

Action Rating: 3 out of 5

Sunday, January 11, 2026

Weather Forecast

Patchy rain nearby
46.8°F
33.8°F
41.6°F
73%
0.16 in
87%
0%
16.8 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 6.42 μg/m3
PM10: 6.65 μg/m3
Carbon Monoxide: 275.45 μg/m3
Nitrogen Dioxide: 18.69 μg/m3
Sulphur Dioxide: 6.25 μg/m3
Ozone: 42.16 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:10 AM
Sunset: 4:58 PM
Daylight: 9 hrs 36 mins
Moonrise: 1:05 AM
Moon Transit: 6:24 AM
Moonset: 11:37 AM
Moon Phase: Last Quarter
Moon Illumination: 35.3%

Best Times for Fishing or Hunting

Major Periods

5:54 AM - 8:24 AM
8:15 PM - 10:45 PM

Minor Periods

11:07 AM - 12:37 AM
12:35 AM - 2:05 AM

Action Rating: 2 out of 5

Monday, January 12, 2026

Weather Forecast

Sunny
41.5°F
31.2°F
34.8°F
53%
0 in
0%
0%
15.9 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.86 μg/m3
PM10: 3.91 μg/m3
Carbon Monoxide: 183.63 μg/m3
Nitrogen Dioxide: 7.61 μg/m3
Sulphur Dioxide: 5.57 μg/m3
Ozone: 62.52 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:10 AM
Sunset: 4:59 PM
Daylight: 9 hrs 37 mins
Moonrise: 2:07 AM
Moon Transit: 7:08 AM
Moonset: 12:03 AM
Moon Phase: Last Quarter
Moon Illumination: 25.0%

Best Times for Fishing or Hunting

Major Periods

6:38 AM - 9:08 AM
9:00 PM - 11:30 PM

Minor Periods

11:33 AM - 1:03 PM
1:37 AM - 3:07 AM

Action Rating: 2 out of 5

Tuesday, January 13, 2026

Weather Forecast

Sunny
45°F
30.7°F
35.6°F
66%
0 in
0%
0%
9.8 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 8.77 μg/m3
PM10: 8.83 μg/m3
Carbon Monoxide: 239.63 μg/m3
Nitrogen Dioxide: 17.49 μg/m3
Sulphur Dioxide: 7.89 μg/m3
Ozone: 38.15 μg/m3

Astronomical

Sunrise: 7:22 AM
Sun Transit: 12:10 AM
Sunset: 5:00 PM
Daylight: 9 hrs 38 mins
Moonrise: 3:09 AM
Moon Transit: 7:54 AM
Moonset: 12:34 AM
Moon Phase: Waning Crescent
Moon Illumination: 15.9%

Best Times for Fishing or Hunting

Major Periods

7:24 AM - 9:54 AM
12:00 AM - 12:00 AM

Minor Periods

12:04 AM - 1:34 PM
2:39 AM - 4:09 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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