Water Temperature of the Delaware River in New Castle, DE
Current Water Temperature
Measurement Time: Friday, June 13, 2025, 1:30 AM EDT
Temperature Locations
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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: 84%
Feels Like: 76.9°F
Wind: NE 6.9 mph
Wind Gusts: 12 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Fri
H: 87°F
L: 69°F

Sat
H: 73°F
L: 62°F

Sun
H: 65°F
L: 60°F

Mon
H: 66°F
L: 61°F

Tue
H: 79°F
L: 65°F
Air Quality
Nitrogen Dioxide: 22.2 μg/m3
Sulphur Dioxide: 8.51 μg/m3
Ozone: 101 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:31 PM
Daylight: 14 hrs 58 mins
Moon Transit: 2:42 AM
Moonset: 7:12 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.2%
Best Times for Fishing or Hunting
Major Periods
2:12 AM - 4:42 AM4:39 PM - 7:09 PM
Minor Periods
10:28 PM - 11:58 PM6:42 AM - 8:12 AM
Action Rating: 2 out of 5
Air Quality Alert issued June 12 at 5:34PM EDT by NWS Baltimore MD/Washington DC
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Thu June 12, 2025, 5:34 PM
Expires: Fri June 13, 2025, 5:45 PM
Maryland Department of the Environment has issued a Code Orange Air Quality Action Day for Ground Level Ozone for Northeast Maryland until midnight. An Air Quality Action Day means that Ground Level Ozone concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Maryland Department of the Environment at:www.mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/ index.aspx
Air Quality Alert issued June 12 at 5:34PM EDT by NWS Baltimore MD/Washington DC
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Thu June 12, 2025, 5:34 PM
Expires: Fri June 13, 2025, 5:45 PM
Maryland Department of the Environment has issued a Code Orange Air Quality Action Day for Ground Level Ozone for Northeast Maryland until midnight. An Air Quality Action Day means that Ground Level Ozone concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Maryland Department of the Environment at:www.mde.maryland.gov/programs/air/AirQualityMonitoring/Pages/ index.aspx
Weather Forecast
Average Temperature: 76.8°F
Average Humidity: 61%
Wind: 9.2 mph
UV Index: 2.1
Air Quality
Nitrogen Dioxide: 18.26 μg/m3
Sulphur Dioxide: 7.46 μg/m3
Ozone: 125.28 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:31 PM
Daylight: 14 hrs 58 mins
Moon Transit: 2:42 AM
Moonset: 7:12 AM
Moon Phase: Waning Gibbous
Moon Illumination: 89.2%
Best Times for Fishing or Hunting
Major Periods
2:12 AM - 4:42 AM4:39 PM - 7:09 PM
Minor Periods
10:28 PM - 11:58 PM6:42 AM - 8:12 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 66.9°F
Average Humidity: 86%
Wind: 8.5 mph
UV Index: 0.6
Air Quality
Nitrogen Dioxide: 17.46 μg/m3
Sulphur Dioxide: 3.66 μg/m3
Ozone: 94.16 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:32 PM
Daylight: 14 hrs 58 mins
Moon Transit: 3:35 AM
Moonset: 8:18 AM
Moon Phase: Waning Gibbous
Moon Illumination: 81.2%
Best Times for Fishing or Hunting
Major Periods
3:05 AM - 5:35 AM5:31 PM - 8:01 PM
Minor Periods
12:00 AM - 12:00 AM7:48 AM - 9:18 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 62.1°F
Average Humidity: 90%
Wind: 7.2 mph
UV Index: 0.9
Air Quality
Nitrogen Dioxide: 13.33 μg/m3
Sulphur Dioxide: 3.99 μg/m3
Ozone: 83.56 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:32 PM
Daylight: 14 hrs 59 mins
Moon Transit: 4:26 AM
Moonset: 9:27 AM
Moon Phase: Waning Gibbous
Moon Illumination: 71.7%
Best Times for Fishing or Hunting
Major Periods
3:56 AM - 6:26 AM6:20 PM - 8:50 PM
Minor Periods
8:57 AM - 10:27 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 63.8°F
Average Humidity: 98%
Wind: 7.8 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 10.64 μg/m3
Sulphur Dioxide: 1.89 μg/m3
Ozone: 57.23 μg/m3
Astronomical
Sun Transit: 1:02 PM
Sunset: 8:32 PM
Daylight: 14 hrs 59 mins
Moon Transit: 5:15 AM
Moonset: 10:37 AM
Moon Phase: Waning Gibbous
Moon Illumination: 61.0%
Best Times for Fishing or Hunting
Major Periods
4:45 AM - 7:15 AM7:08 PM - 9:38 PM
Minor Periods
10:07 AM - 11:37 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 69.1°F
Average Humidity: 92%
Wind: 4 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3
Astronomical
Sun Transit: 1:03 PM
Sunset: 8:33 PM
Daylight: 14 hrs 59 mins
Moon Transit: 6:01 AM
Moonset: 11:45 AM
Moon Phase: Last Quarter
Moon Illumination: 49.7%
Best Times for Fishing or Hunting
Major Periods
5:31 AM - 8:01 AM7:54 PM - 10:24 PM
Minor Periods
11:15 AM - 12:45 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5