Marine Weather Net

New Castle, DE Weather Forecast




New Castle, Delaware

 Lat: 39.66N, Lon: 75.57W

Current Conditions Updated: 251 PM EDT TUE APR 28 2026

Overcast
Temp: 59°F
  • Humidity:
  • 47%
  • Winds:
  • 5 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.13 in.
  • Dewpoint:
  • 39°F
  • Heat index:
  • 59°F

  • Sunrise:
  • 6:05 AM EDT
  • Sunset:
  • 7:52 PM EDT
  • Moonrise:
  • 5:11 PM EDT
  • Moonset:
  • 4:26 AM EDT

THIS AFTERNOON

CHANCE OF SHOWERS
Hi: 61°F
Lo: 49°F
Precip: 30%

WEDNESDAY

SHOWERS
Hi: 65°F
Lo: 51°F
Precip: 70%

THURSDAY

MOSTLY SUNNY
Hi: 65°F
Lo: 41°F
Precip: 50%

FRIDAY

MOSTLY SUNNY
Hi: 61°F
Lo: 41°F
Precip: 30%
Weather Forecast In Detail:
Forecast Issued: 233 PM EDT Tue Apr 28 2026

This Afternoon...Cloudy with a 30 percent chance of showers. Highs in the lower 60s. Southeast winds 5 to 10 mph.
Tonight...Mostly cloudy. Lows in the upper 40s. Southeast winds 5 to 10 mph.
Wednesday...Cloudy. Showers likely in the afternoon. Highs in the mid 60s. Southeast winds 5 to 10 mph. Chance of rain 70 percent.
Wednesday Night...Showers. Lows in the lower 50s. Southeast winds 5 to 10 mph with gusts up to 20 mph, becoming southwest after midnight. Chance of rain 90 percent.
Thursday...Mostly sunny. A chance of showers in the morning. Highs in the mid 60s. Northwest winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent.
Thursday Night...Mostly clear. Lows in the lower 40s.
Friday...Mostly sunny. A chance of showers in the afternoon. Highs in the lower 60s. Chance of rain 30 percent.
Friday Night...Partly cloudy. A chance of showers in the evening. Lows in the lower 40s. Chance of rain 30 percent.
Saturday...Partly sunny. Highs in the upper 50s.
Saturday Night...Partly cloudy. Lows around 40.
Sunday...Sunny. Highs in the lower 60s.
Sunday Night...Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 40s.
Monday...Mostly sunny. Highs in the mid 60s.
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