Water Temperature of the Delaware River in New Castle, DE

Current Water Temperature

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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

24.1°F
Sunny
Sunny
15°F
25.8°F
43%
NW 8.3 mph
9.7 mph
17.4°F
10.2°F
0 in
0%
9 mi
1027 mbar
2.7

Five Day Weather Forecast

Sunny
Mon
H: 32°F
L: 12°F
Overcast
Tue
H: 39°F
L: 18°F
Overcast
Wed
H: 38°F
L: 31°F
Sunny
Thu
H: 36°F
L: 26°F
Sunny
Fri
H: 34°F
L: 22°F

Air Quality

AQI: 1 - Good
PM2.5: 17.65 μg/m3
PM10: 17.95 μg/m3
Carbon Monoxide: 315.85 μg/m3
Nitrogen Dioxide: 22.25 μg/m3
Sulphur Dioxide: 4.05 μg/m3
Ozone: 61 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:16 AM
Sunset: 5:31 PM
Daylight: 10 hrs 30 mins
Moonrise: 12:56 AM
Moon Transit: 5:47 AM
Moonset: 10:33 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
7:40 PM - 10:10 PM

Minor Periods

10:03 AM - 11:33 AM
12:26 AM - 1:56 AM

Action Rating: 2 out of 5

Cold Weather Advisory issued February 9 at 1:21AM EST until February 9 at 10:00AM EST by NWS Mount Holly NJ

Effective: Mon February 9, 2026, 6:21 AM
Expires: Mon February 9, 2026, 3:00 PM

* WHAT...Very cold wind chills as low as 6 below. * WHERE...Kent, New Castle, Delaware Beaches, and Inland Sussex Counties. * WHEN...Until 10 AM EST this morning. * IMPACTS...The cold wind chills as low as 5 below zero could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued February 9 at 1:21AM EST until February 9 at 10:00AM EST by NWS Mount Holly NJ

Effective: Mon February 9, 2026, 6:21 AM
Expires: Mon February 9, 2026, 3:00 PM

* WHAT...Very cold wind chills as low as 9 below. * WHERE...Portions of New Jersey and southeast Pennsylvania. * WHEN...Until 10 AM EST this morning. * IMPACTS...The cold wind chills as low as 10 below zero could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued February 9 at 4:26AM EST until February 9 at 10:00AM EST by NWS Baltimore MD/Washington DC

Effective: Mon February 9, 2026, 9:26 AM
Expires: Mon February 9, 2026, 3:00 PM

* WHAT...Very cold wind chills as low as 8 below zero expected. * WHERE...Portions of DC, central, north central, northeast, northern, and southern Maryland, and northern Virginia. * WHEN...Until 10 AM EST this morning. * IMPACTS...The cold wind chills as low as 8 below zero could result in hypothermia if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211 or visit your local county or city website for assistance locating appropriate shelter from the cold.


Cold Weather Advisory issued February 9 at 1:21AM EST until February 9 at 10:00AM EST by NWS Mount Holly NJ

Effective: Mon February 9, 2026, 6:21 AM
Expires: Mon February 9, 2026, 3:00 PM

* WHAT...Very cold wind chills as low as 3 below. * WHERE...Caroline, Kent MD, Queen Annes, and Talbot Counties. * WHEN...Until 10 AM EST this morning.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.


Cold Weather Advisory issued February 8 at 1:12PM EST until February 9 at 9:00AM EST by NWS State College PA

Effective: Sun February 8, 2026, 6:12 PM
Expires: Mon February 9, 2026, 2:00 PM

* WHAT...Very cold wind chills as low as 15 below expected. * WHERE...Columbia, Dauphin, Lancaster, Lebanon, Montour, Northumberland, Schuylkill, Snyder, Union, and York Counties. * WHEN...From 10 PM this evening to 9 AM EST Monday. * IMPACTS...The cold wind chills as low as 15 below zero could result in hypothermia or frostbite if precautions are not taken.

Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves.
Monday, February 9, 2026

Weather Forecast

Sunny
32°F
11.8°F
20.6°F
59%
0 in
0%
0%
9.2 mph
0.6


Air Quality

AQI: 1 - Good
PM2.5: 10.39 μg/m3
PM10: 10.65 μg/m3
Carbon Monoxide: 241.13 μg/m3
Nitrogen Dioxide: 9.8 μg/m3
Sulphur Dioxide: 3.32 μg/m3
Ozone: 68.76 μg/m3

Astronomical

Sunrise: 7:02 AM
Sun Transit: 12:16 AM
Sunset: 5:31 PM
Daylight: 10 hrs 30 mins
Moonrise: 12:56 AM
Moon Transit: 5:47 AM
Moonset: 10:33 AM
Moon Phase: Last Quarter
Moon Illumination: 41.2%

Best Times for Fishing or Hunting

Major Periods

5:17 AM - 7:47 AM
7:40 PM - 10:10 PM

Minor Periods

10:03 AM - 11:33 AM
12:26 AM - 1:56 AM

Action Rating: 2 out of 5

Tuesday, February 10, 2026

Weather Forecast

Overcast
38.5°F
17.6°F
28.8°F
84%
0 in
0%
0%
5.1 mph
0.5


Air Quality

AQI: 2 - Moderate
PM2.5: 30.78 μg/m3
PM10: 31.25 μg/m3
Carbon Monoxide: 340.65 μg/m3
Nitrogen Dioxide: 27.11 μg/m3
Sulphur Dioxide: 4.55 μg/m3
Ozone: 45.16 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:16 AM
Sunset: 5:32 PM
Daylight: 10 hrs 32 mins
Moonrise: 1:59 AM
Moon Transit: 6:35 AM
Moonset: 11:07 AM
Moon Phase: Last Quarter
Moon Illumination: 30.3%

Best Times for Fishing or Hunting

Major Periods

6:05 AM - 8:35 AM
8:30 PM - 11:00 PM

Minor Periods

10:37 AM - 12:07 AM
1:29 AM - 2:59 AM

Action Rating: 2 out of 5

Wednesday, February 11, 2026

Weather Forecast

Overcast
37.6°F
30.6°F
34.8°F
77%
0 in
0%
0%
15.2 mph
0.7


Air Quality

AQI: 2 - Moderate
PM2.5: 16.37 μg/m3
PM10: 16.51 μg/m3
Carbon Monoxide: 265.25 μg/m3
Nitrogen Dioxide: 12.29 μg/m3
Sulphur Dioxide: 3.77 μg/m3
Ozone: 63.64 μg/m3

Astronomical

Sunrise: 6:59 AM
Sun Transit: 12:16 AM
Sunset: 5:34 PM
Daylight: 10 hrs 34 mins
Moonrise: 2:59 AM
Moon Transit: 7:25 AM
Moonset: 11:49 AM
Moon Phase: Last Quarter
Moon Illumination: 20.5%

Best Times for Fishing or Hunting

Major Periods

6:55 AM - 9:25 AM
9:21 PM - 11:51 PM

Minor Periods

11:19 AM - 12:49 AM
2:29 AM - 3:59 AM

Action Rating: 3 out of 5

Thursday, February 12, 2026

Weather Forecast

Sunny
35.6°F
25.5°F
30°F
76%
0 in
0%
0%
14.1 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 3.24 μg/m3
PM10: 3.25 μg/m3
Carbon Monoxide: 202.57 μg/m3
Nitrogen Dioxide: 6.43 μg/m3
Sulphur Dioxide: 3.15 μg/m3
Ozone: 69.96 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 12:16 AM
Sunset: 5:35 PM
Daylight: 10 hrs 37 mins
Moonrise: 3:55 AM
Moon Transit: 8:17 AM
Moonset: 12:39 AM
Moon Phase: Waning Crescent
Moon Illumination: 12.2%

Best Times for Fishing or Hunting

Major Periods

7:47 AM - 10:17 AM
12:00 AM - 12:00 AM

Minor Periods

12:09 AM - 1:39 PM
3:25 AM - 4:55 AM

Action Rating: 2 out of 5

Friday, February 13, 2026

Weather Forecast

Sunny
34.1°F
22.3°F
27.8°F
70%
0 in
0%
0%
9.2 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 4.13 μg/m3
PM10: 4.13 μg/m3
Carbon Monoxide: 197.22 μg/m3
Nitrogen Dioxide: 7.67 μg/m3
Sulphur Dioxide: 3.13 μg/m3
Ozone: 78.23 μg/m3

Astronomical

Sunrise: 6:57 AM
Sun Transit: 12:16 AM
Sunset: 5:36 PM
Daylight: 10 hrs 39 mins
Moonrise: 4:46 AM
Moon Transit: 9:09 AM
Moonset: 1:36 PM
Moon Phase: Waning Crescent
Moon Illumination: 5.8%

Best Times for Fishing or Hunting

Major Periods

8:39 AM - 11:09 AM
12:00 AM - 12:00 AM

Minor Periods

1:06 PM - 2:36 PM
4:16 AM - 5:46 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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