Water Temperature of the Delaware River in New Castle, DE
Current Water Temperature
Measurement Time: Thursday, July 10, 2025, 2:51 PM EDT
Temperature Locations
View Nearby Locations View All Delaware Locations View Locations Near Me
Local Points of Interest
Delaware Memorial Bridge; Wilmington, DE; Pennsville Township, NJSponsored Content
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

Humidity: 70%
Feels Like: 94°F
Wind: SSW 4.9 mph
Wind Gusts: 7 mph
Precipitation: 0 in
Cloud Cover: 25%
Visibility: 9 mi
UV Index: 0.4
Five Day Weather Forecast

Thu
H: 83°F
L: 71°F

Fri
H: 88°F
L: 73°F

Sat
H: 85°F
L: 72°F

Sun
H: 89°F
L: 70°F

Mon
H: 86°F
L: 72°F
Air Quality
Nitrogen Dioxide: 20.54 μg/m3
Sulphur Dioxide: 3.52 μg/m3
Ozone: 77 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:32 PM
Daylight: 14 hrs 48 mins
Moon Transit: 12:35 AM
Moonset: 5:02 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:05 AM - 2:35 AM2:32 PM - 5:02 PM
Minor Periods
8:26 PM - 9:56 PM4:32 AM - 6:02 AM
Action Rating: 5 out of 5
Flash Flood Warning issued July 10 at 1:49PM EDT until July 10 at 5:45PM EDT by NWS Mount Holly NJ
Effective: Thu July 10, 2025, 1:49 PM
Expires: Thu July 10, 2025, 5:45 PM
FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Central Atlantic County in southern New Jersey... Northeastern Cumberland County in southern New Jersey... * Until 545 PM EDT. * At 149 PM EDT, trained weather spotters reported heavy rain in Central Atlantic County and Northeastern Cumberland County. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 0.5 to 1.5 inches in 1 hour. Flash flooding is already occurring. HAZARD...Life threatening flash flooding caused by heavy rain. SOURCE...Trained spotters reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets, and underpasses. * Some locations that may experience flash flooding include... Vineland, Millville, Buena, Egg Harbor City, Weymouth, Estell Manor, Port Republic, Mays Landing, Mizpah, Elwood-Magnolia, Pomona and South Vineland.
Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Flash Flood Warning issued July 10 at 1:49PM EDT until July 10 at 5:45PM EDT by NWS Mount Holly NJ
Effective: Thu July 10, 2025, 1:49 PM
Expires: Thu July 10, 2025, 5:45 PM
FFWPHI The National Weather Service in Mount Holly has issued a * Flash Flood Warning for... Central Atlantic County in southern New Jersey... Northeastern Cumberland County in southern New Jersey... * Until 545 PM EDT. * At 149 PM EDT, trained weather spotters reported heavy rain in Central Atlantic County and Northeastern Cumberland County. Between 1 and 2 inches of rain have fallen. The expected rainfall rate is 0.5 to 1.5 inches in 1 hour. Flash flooding is already occurring. HAZARD...Life threatening flash flooding caused by heavy rain. SOURCE...Trained spotters reported. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets, and underpasses. * Some locations that may experience flash flooding include... Vineland, Millville, Buena, Egg Harbor City, Weymouth, Estell Manor, Port Republic, Mays Landing, Mizpah, Elwood-Magnolia, Pomona and South Vineland.
Turn around...don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads.
Weather Forecast
Average Temperature: 76.6°F
Average Humidity: 89%
Wind: 5.4 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 14.33 μg/m3
Sulphur Dioxide: 4 μg/m3
Ozone: 94.88 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:32 PM
Daylight: 14 hrs 48 mins
Moon Transit: 12:35 AM
Moonset: 5:02 AM
Moon Phase: Full
Moon Illumination: 99.8%
Best Times for Fishing or Hunting
Major Periods
12:05 AM - 2:35 AM2:32 PM - 5:02 PM
Minor Periods
8:26 PM - 9:56 PM4:32 AM - 6:02 AM
Action Rating: 5 out of 5
Weather Forecast
Average Temperature: 78.9°F
Average Humidity: 86%
Wind: 6.3 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 16.19 μg/m3
Sulphur Dioxide: 5.3 μg/m3
Ozone: 117.72 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:31 PM
Daylight: 14 hrs 47 mins
Moon Transit: 1:29 AM
Moonset: 6:08 AM
Moon Phase: Full
Moon Illumination: 97.4%
Best Times for Fishing or Hunting
Major Periods
12:59 AM - 3:29 AM3:26 PM - 5:56 PM
Minor Periods
9:04 PM - 10:34 PM5:38 AM - 7:08 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 76.5°F
Average Humidity: 88%
Wind: 7.8 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 24.36 μg/m3
Sulphur Dioxide: 5.55 μg/m3
Ozone: 126.52 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:31 PM
Daylight: 14 hrs 46 mins
Moon Transit: 2:22 AM
Moonset: 7:17 AM
Moon Phase: Full
Moon Illumination: 92.7%
Best Times for Fishing or Hunting
Major Periods
1:52 AM - 4:22 AM4:17 PM - 6:47 PM
Minor Periods
9:36 PM - 11:06 PM6:47 AM - 8:17 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 75.7°F
Average Humidity: 84%
Wind: 8.5 mph
UV Index: 2.5
Air Quality
Nitrogen Dioxide: 13.57 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 108.08 μg/m3
Astronomical
Sun Transit: 1:07 PM
Sunset: 8:30 PM
Daylight: 14 hrs 45 mins
Moon Transit: 3:12 AM
Moonset: 8:28 AM
Moon Phase: Waning Gibbous
Moon Illumination: 85.7%
Best Times for Fishing or Hunting
Major Periods
2:42 AM - 5:12 AM5:06 PM - 7:36 PM
Minor Periods
10:03 PM - 11:33 PM7:58 AM - 9:28 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 77.2°F
Average Humidity: 87%
Wind: 7.6 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 13.55 μg/m3
Sulphur Dioxide: 3.17 μg/m3
Ozone: 63.77 μg/m3
Astronomical
Sun Transit: 1:08 PM
Sunset: 8:30 PM
Daylight: 14 hrs 43 mins
Moon Transit: 4:00 AM
Moonset: 9:38 AM
Moon Phase: Waning Gibbous
Moon Illumination: 76.9%
Best Times for Fishing or Hunting
Major Periods
3:30 AM - 6:00 AM5:53 PM - 8:23 PM
Minor Periods
10:27 PM - 11:57 PM9:08 AM - 10:38 AM
Action Rating: 4 out of 5