Water Temperature of the Delaware River in New Castle, DE

Current Water Temperature

66.6°F

Measurement Time: Wednesday, June 4, 2025, 6:39 PM EDT

Temperature Locations

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Local Points of Interest

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

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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 / 0 meters

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 (13.0 mi)
Delaware River, Middletown, DE (13.2 mi)
White Clay Creek, Landenberg, PA (13.8 mi)

Weather for New Castle, Delaware

Current Weather

75.9°F
Clear
Conditions: Clear
Humidity: 62%
Feels Like: 78.6°F
Wind: S 7.4 mph
Wind Gusts: 15.5 mph
Pressure: 30.15 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0

Five Day Weather Forecast

Sunny
Wed
H: 91°F
L: 57°F
Partly Cloudy
Thu
H: 91°F
L: 62°F
Partly Cloudy
Fri
H: 90°F
L: 67°F
Heavy rain
Sat
H: 69°F
L: 63°F
Moderate rain
Sun
H: 74°F
L: 63°F

Air Quality

AQI: 1 - Good
PM2.5: 17.58 μg/m3
PM10: 18.69 μg/m3
Carbon Monoxide: 338.55 μg/m3
Nitrogen Dioxide: 10.18 μg/m3
Sulphur Dioxide: 4.26 μg/m3
Ozone: 92 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:00 PM
Sunset: 8:27 PM
Daylight: 14 hrs 52 mins
Moonrise: 2:22 PM
Moon Transit: 8:25 PM
Moonset: 2:00 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

9:34 AM - 12:04 AM
7:55 PM - 10:25 PM

Minor Periods

1:52 PM - 3:22 PM
1:30 AM - 3:00 AM

Action Rating: 2 out of 5

Air Quality Alert issued June 3 at 3:45PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 3:45 PM
Expires: Thu June 5, 2025, 12:00 AM

The Delaware Valley Regional Planning Commission has issued a code orange air quality alert Wednesday for The Philadelphia Metro area. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.phila.gov/health/units/ams/


Air Quality Alert issued June 3 at 3:45PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 3:45 PM
Expires: Thu June 5, 2025, 12:00 AM

The Delaware Valley Regional Planning Commission has issued a code orange air quality alert Wednesday for The Philadelphia Metro area. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.phila.gov/health/units/ams/


Air Quality Alert issued June 3 at 3:45PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 3:45 PM
Expires: Thu June 5, 2025, 12:00 AM

The New Jersey Department of Environmental Protection has issued a code orange air quality alert Wednesday for Southwestern New Jersey. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.state.nj.us/dep/


Air Quality Alert issued June 3 at 3:45PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 3:45 PM
Expires: Thu June 5, 2025, 12:00 AM

The New Jersey Department of Environmental Protection has issued a code orange air quality alert Wednesday for Southwestern New Jersey. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.state.nj.us/dep/


Air Quality Alert issued June 3 at 3:45PM EDT by NWS Mount Holly NJ

Non-Weather Emergency Message. Not sent to IPAWS.

Effective: Tue June 3, 2025, 3:45 PM
Expires: Thu June 5, 2025, 12:00 AM

The Delaware Valley Regional Planning Commission has issued a code orange air quality alert Wednesday for The Philadelphia Metro area. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.phila.gov/health/units/ams/


Wednesday, June 4, 2025

Weather Forecast

Conditions: Sunny
Average Temperature: 74.2°F
Average Humidity: 65%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 2.4

Air Quality

AQI: 2 - Moderate
PM2.5: 33.34 μg/m3
PM10: 34.82 μg/m3
Carbon Monoxide: 373.92 μg/m3
Nitrogen Dioxide: 12.37 μg/m3
Sulphur Dioxide: 6.74 μg/m3
Ozone: 123.08 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:00 PM
Sunset: 8:27 PM
Daylight: 14 hrs 52 mins
Moonrise: 2:22 PM
Moon Transit: 8:25 PM
Moonset: 2:00 AM
Moon Phase: First Quarter
Moon Illumination: 59.8%

Best Times for Fishing or Hunting

Major Periods

9:34 AM - 12:04 AM
7:55 PM - 10:25 PM

Minor Periods

1:52 PM - 3:22 PM
1:30 AM - 3:00 AM

Action Rating: 2 out of 5

Thursday, June 5, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 75.4°F
Average Humidity: 68%
Chance of Rain: 0%
Wind: 11 mph
UV Index: 2.3

Air Quality

AQI: 2 - Moderate
PM2.5: 15.68 μg/m3
PM10: 17.41 μg/m3
Carbon Monoxide: 337 μg/m3
Nitrogen Dioxide: 9.95 μg/m3
Sulphur Dioxide: 4.74 μg/m3
Ozone: 107.68 μg/m3

Astronomical

Sunrise: 5:35 AM
Sun Transit: 1:00 PM
Sunset: 8:27 PM
Daylight: 14 hrs 53 mins
Moonrise: 3:21 PM
Moon Transit: 9:04 PM
Moonset: 2:19 AM
Moon Phase: First Quarter
Moon Illumination: 70.6%

Best Times for Fishing or Hunting

Major Periods

10:13 AM - 12:43 AM
8:34 PM - 11:04 PM

Minor Periods

2:51 PM - 4:21 PM
1:49 AM - 3:19 AM

Action Rating: 3 out of 5

Friday, June 6, 2025

Weather Forecast

Conditions: Partly Cloudy
Average Temperature: 74.6°F
Average Humidity: 82%
Chance of Rain: 0%
Wind: 13.2 mph
UV Index: 2.3

Air Quality

AQI: 1 - Good
PM2.5: 11.85 μg/m3
PM10: 14.53 μg/m3
Carbon Monoxide: 325.08 μg/m3
Nitrogen Dioxide: 9.7 μg/m3
Sulphur Dioxide: 3.06 μg/m3
Ozone: 87.16 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:00 PM
Sunset: 8:28 PM
Daylight: 14 hrs 53 mins
Moonrise: 4:21 PM
Moon Transit: 9:45 PM
Moonset: 2:40 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 80.3%

Best Times for Fishing or Hunting

Major Periods

10:53 AM - 1:23 PM
9:15 PM - 11:45 PM

Minor Periods

3:51 PM - 5:21 PM
2:10 AM - 3:40 AM

Action Rating: 2 out of 5

Saturday, June 7, 2025

Weather Forecast

Conditions: Heavy rain
Average Temperature: 65.4°F
Average Humidity: 96%
Chance of Rain: 89%
Wind: 6 mph
UV Index: 1.3

Air Quality

AQI: 1 - Good
PM2.5: 12 μg/m3
PM10: 15.17 μg/m3
Carbon Monoxide: 289.41 μg/m3
Nitrogen Dioxide: 10.99 μg/m3
Sulphur Dioxide: 2.34 μg/m3
Ozone: 64.68 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:01 PM
Sunset: 8:28 PM
Daylight: 14 hrs 54 mins
Moonrise: 5:22 PM
Moon Transit: 10:27 PM
Moonset: 3:01 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 88.5%

Best Times for Fishing or Hunting

Major Periods

11:35 AM - 2:05 PM
12:00 AM - 12:00 AM

Minor Periods

4:52 PM - 6:22 PM
2:31 AM - 4:01 AM

Action Rating: 2 out of 5

Sunday, June 8, 2025

Weather Forecast

Conditions: Moderate rain
Average Temperature: 66.3°F
Average Humidity: 90%
Chance of Rain: 87%
Wind: 6.5 mph
UV Index: 0.8

Air Quality

AQI: 1 - Good
PM2.5: 5.11 μg/m3
PM10: 5.48 μg/m3
Carbon Monoxide: 341.4 μg/m3
Nitrogen Dioxide: 17.86 μg/m3
Sulphur Dioxide: 2.9 μg/m3
Ozone: 61.31 μg/m3

Astronomical

Sunrise: 5:34 AM
Sun Transit: 1:01 PM
Sunset: 8:29 PM
Daylight: 14 hrs 55 mins
Moonrise: 6:25 PM
Moon Transit: 11:13 PM
Moonset: 3:26 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 94.7%

Best Times for Fishing or Hunting

Major Periods

12:19 AM - 2:49 PM
12:00 AM - 12:00 AM

Minor Periods

5:55 PM - 7:25 PM
2:56 AM - 4:26 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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