Water Temperature of the Delaware River in New Castle, DE
Current Water Temperature
Measurement Time: Thursday, April 16, 2026, 4:15 PM EDT
Temperature Locations
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Local Points of Interest
Delaware Memorial Bridge; Wilmington, DE; Pennsville Township, NJStation 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

Five Day Weather Forecast

Thu
H: 95°F
L: 64°F

Fri
H: 79°F
L: 62°F

Sat
H: 75°F
L: 56°F

Sun
H: 56°F
L: 41°F

Mon
H: 51°F
L: 39°F
Air Quality
Nitrogen Dioxide: 9.65 μg/m3
Sulphur Dioxide: 4.85 μg/m3
Ozone: 112 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:41 PM
Daylight: 13 hrs 18 mins
Moon Transit: 12:15 AM
Moonset: 7:05 PM
Moon Phase: New
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:45 AM - 2:15 PM
Minor Periods
6:35 PM - 8:05 PM5:08 AM - 6:38 AM
Action Rating: 5 out of 5
Special Weather Statement issued April 16 at 4:45AM EDT by NWS Mount Holly NJ
Effective: Thu April 16, 2026, 4:45 AM
Expires: Thu April 16, 2026, 8:00 PM
There is an elevated risk for fire spread today across southeastern Pennsylvania and Delmarva. Minimum relative humidity values will drop to around 25 to 35 percent this afternoon. This will be accompanied by temperatures rising into the mid 80s to low 90s and southwesterly winds near 10 to 15 mph, with gusts up to 20 mph. These conditions, along with the continued drying of fine fuels, could support the rapid spread of any fires that ignite, which could quickly become difficult to control. Conditions improve during the evening as the wind diminishes and the relative humidity increases. Outdoor burning is strongly discouraged. Be sure to properly extinguish or dispose of any potential ignition sources, including smoking materials such as cigarette butts. Use caution while using any machinery outdoors, such as lawn care equipment, that could cause sparks to come in contact with the dry ground. This forecast considers meteorological, fuel, and land conditions and has been developed in coordination with state fire officials.
Weather Forecast
Air Quality
Nitrogen Dioxide: 10.03 μg/m3
Sulphur Dioxide: 4.72 μg/m3
Ozone: 102.2 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:41 PM
Daylight: 13 hrs 18 mins
Moon Transit: 12:15 AM
Moonset: 7:05 PM
Moon Phase: New
Moon Illumination: 0.8%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM11:45 AM - 2:15 PM
Minor Periods
6:35 PM - 8:05 PM5:08 AM - 6:38 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.56 μg/m3
Sulphur Dioxide: 5.15 μg/m3
Ozone: 97.88 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:42 PM
Daylight: 13 hrs 20 mins
Moon Transit: 1:07 PM
Moonset: 8:22 PM
Moon Phase: New
Moon Illumination: 4.1%
Best Times for Fishing or Hunting
Major Periods
2:10 AM - 4:40 AM12:37 AM - 3:07 PM
Minor Periods
7:52 PM - 9:22 PM5:36 AM - 7:06 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 17.51 μg/m3
Sulphur Dioxide: 4.66 μg/m3
Ozone: 78.68 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:43 PM
Daylight: 13 hrs 23 mins
Moon Transit: 2:03 PM
Moonset: 9:42 PM
Moon Phase: New
Moon Illumination: 1.2%
Best Times for Fishing or Hunting
Major Periods
3:05 AM - 5:35 AM1:33 PM - 4:03 PM
Minor Periods
9:12 PM - 10:42 PM6:08 AM - 7:38 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.75 μg/m3
Sulphur Dioxide: 3.29 μg/m3
Ozone: 82.6 μg/m3
Astronomical
Sun Transit: 1:01 PM
Sunset: 7:44 PM
Daylight: 13 hrs 25 mins
Moon Transit: 3:04 PM
Moonset: 11:01 PM
Moon Phase: Waxing Crescent
Moon Illumination: 4.9%
Best Times for Fishing or Hunting
Major Periods
4:04 AM - 6:34 AM2:34 PM - 5:04 PM
Minor Periods
12:00 AM - 12:00 AM6:47 AM - 8:17 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.5 μg/m3
Sulphur Dioxide: 3.29 μg/m3
Ozone: 85.38 μg/m3
Astronomical
Sun Transit: 1:00 PM
Sunset: 7:45 PM
Daylight: 13 hrs 28 mins
Moon Transit: 4:08 PM
Moonset: 12:01 AM
Moon Phase: Waxing Crescent
Moon Illumination: 10.8%
Best Times for Fishing or Hunting
Major Periods
5:07 AM - 7:37 AM3:38 PM - 6:08 PM
Minor Periods
7:37 AM - 9:07 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
