Water Temperature of the Delaware River in New Castle, DE

Current Water Temperature

70.2°F

Measurement Time: Friday, September 25, 2026, 10:15 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

62°F
Chance Light Rain
Chance Light Rain
60%
N 20 mph
48°F

Weather Forecast

Chance Light Rain
Overnight
59°F - Chance Light Rain
Light Rain
Saturday
65°F - Light Rain
Rain
Saturday Night
58°F - Rain
Rain
Sunday
64°F - Rain
Rain
Sunday Night
62°F - Rain
Chance Light Rain then Slight Chance Rain Showers
Monday
69°F - Chance Light Rain then Slight Chance Rain Showers
Mostly Cloudy
Monday Night
61°F - Mostly Cloudy
Partly Sunny
Tuesday
74°F - Partly Sunny
Partly Cloudy
Tuesday Night
61°F - Partly Cloudy
Mostly Sunny
Wednesday
77°F - Mostly Sunny
Partly Cloudy
Wednesday Night
63°F - Partly Cloudy
Mostly Sunny
Thursday
78°F - Mostly Sunny
Partly Cloudy
Thursday Night
65°F - Partly Cloudy
Partly Sunny
Friday
77°F - Partly Sunny

Astronomical

Sunrise: 6:54 AM
Sun Transit: 12:53 AM
Sunset: 6:53 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:42 PM
Moon Transit: 8:33 AM
Moonset: 6:45 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:12 PM - 7:42 PM
6:15 AM - 7:45 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:54 AM
Sun Transit: 12:53 AM
Sunset: 6:53 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:42 PM
Moon Transit: 8:33 AM
Moonset: 6:45 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:12 PM - 7:42 PM
6:15 AM - 7:45 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:54 AM
Sun Transit: 12:53 AM
Sunset: 6:53 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:42 PM
Moon Transit: 8:33 AM
Moonset: 6:45 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:12 PM - 7:42 PM
6:15 AM - 7:45 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:54 AM
Sun Transit: 12:53 AM
Sunset: 6:53 PM
Daylight: 11 hrs 59 mins
Moonrise: 6:42 PM
Moon Transit: 8:33 AM
Moonset: 6:45 AM
Moon Phase: Full
Moon Illumination: 99.7%

Best Times for Fishing or Hunting

Major Periods

8:03 AM - 10:33 AM
8:03 AM - 10:33 AM

Minor Periods

6:12 PM - 7:42 PM
6:15 AM - 7:45 AM

Action Rating: 3 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:55 AM
Sun Transit: 12:53 AM
Sunset: 6:51 PM
Daylight: 11 hrs 56 mins
Moonrise: 7:06 PM
Moon Transit: 1:11 AM
Moonset: 7:54 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:41 AM - 3:11 AM
3:05 PM - 5:35 PM

Minor Periods

6:36 PM - 8:06 PM
7:24 AM - 8:54 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:55 AM
Sun Transit: 12:53 AM
Sunset: 6:51 PM
Daylight: 11 hrs 56 mins
Moonrise: 7:06 PM
Moon Transit: 1:11 AM
Moonset: 7:54 AM
Moon Phase: Full
Moon Illumination: 97.3%

Best Times for Fishing or Hunting

Major Periods

12:41 AM - 3:11 AM
3:05 PM - 5:35 PM

Minor Periods

6:36 PM - 8:06 PM
7:24 AM - 8:54 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:56 AM
Sun Transit: 12:52 AM
Sunset: 6:49 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:35 PM
Moon Transit: 2:00 AM
Moonset: 9:06 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
3:55 PM - 6:25 PM

Minor Periods

7:05 PM - 8:35 PM
8:36 AM - 10:06 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:56 AM
Sun Transit: 12:52 AM
Sunset: 6:49 PM
Daylight: 11 hrs 54 mins
Moonrise: 7:35 PM
Moon Transit: 2:00 AM
Moonset: 9:06 AM
Moon Phase: Full
Moon Illumination: 92.4%

Best Times for Fishing or Hunting

Major Periods

1:30 AM - 4:00 AM
3:55 PM - 6:25 PM

Minor Periods

7:05 PM - 8:35 PM
8:36 AM - 10:06 AM

Action Rating: 5 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:57 AM
Sun Transit: 12:52 AM
Sunset: 6:48 PM
Daylight: 11 hrs 51 mins
Moonrise: 8:10 PM
Moon Transit: 2:51 AM
Moonset: 10:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
4:49 PM - 7:19 PM

Minor Periods

7:40 PM - 9:10 PM
9:51 AM - 11:21 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:57 AM
Sun Transit: 12:52 AM
Sunset: 6:48 PM
Daylight: 11 hrs 51 mins
Moonrise: 8:10 PM
Moon Transit: 2:51 AM
Moonset: 10:21 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.4%

Best Times for Fishing or Hunting

Major Periods

2:21 AM - 4:51 AM
4:49 PM - 7:19 PM

Minor Periods

7:40 PM - 9:10 PM
9:51 AM - 11:21 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:57 AM
Sun Transit: 12:52 AM
Sunset: 6:46 PM
Daylight: 11 hrs 49 mins
Moonrise: 8:54 PM
Moon Transit: 3:47 AM
Moonset: 11:36 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:17 AM - 5:47 AM
5:48 PM - 8:18 PM

Minor Periods

8:24 PM - 9:54 PM
11:06 AM - 12:36 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:57 AM
Sun Transit: 12:52 AM
Sunset: 6:46 PM
Daylight: 11 hrs 49 mins
Moonrise: 8:54 PM
Moon Transit: 3:47 AM
Moonset: 11:36 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.5%

Best Times for Fishing or Hunting

Major Periods

3:17 AM - 5:47 AM
5:48 PM - 8:18 PM

Minor Periods

8:24 PM - 9:54 PM
11:06 AM - 12:36 AM

Action Rating: 2 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:58 AM
Sun Transit: 12:51 AM
Sunset: 6:45 PM
Daylight: 11 hrs 46 mins
Moonrise: 9:47 PM
Moon Transit: 4:48 AM
Moonset: 12:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:18 AM - 6:48 AM
6:49 PM - 9:19 PM

Minor Periods

9:17 PM - 10:47 PM
12:19 AM - 1:49 PM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:58 AM
Sun Transit: 12:51 AM
Sunset: 6:45 PM
Daylight: 11 hrs 46 mins
Moonrise: 9:47 PM
Moon Transit: 4:48 AM
Moonset: 12:49 AM
Moon Phase: Waning Gibbous
Moon Illumination: 66.3%

Best Times for Fishing or Hunting

Major Periods

4:18 AM - 6:48 AM
6:49 PM - 9:19 PM

Minor Periods

9:17 PM - 10:47 PM
12:19 AM - 1:49 PM

Action Rating: 4 out of 5

Wednesday, December 31, 1969

Weather Forecast

°F
°F
°F
%
in
%
%
mph


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: 6:59 AM
Sun Transit: 12:51 AM
Sunset: 6:43 PM
Daylight: 11 hrs 44 mins
Moonrise: 10:51 PM
Moon Transit: 5:50 AM
Moonset: 1:54 PM
Moon Phase: Last Quarter
Moon Illumination: 55.3%

Best Times for Fishing or Hunting

Major Periods

5:20 AM - 7:50 AM
7:52 PM - 10:22 PM

Minor Periods

10:21 PM - 11:51 PM
1:24 PM - 2:54 PM

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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