Marine Weather Net

New Castle, DE Weather Forecast




New Castle, Delaware

 Lat: 39.66N, Lon: 75.57W

Current Conditions Updated: 651 PM EDT SUN OCT 11 2026

Rain
Temp: 63°F
  • Humidity:
  • 96%
  • Winds:
  • 17 MPH NE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 29.86 in.
  • Dewpoint:
  • 62°F
  • Heat index:
  • 63°F

  • Sunrise:
  • 7:06 AM EDT
  • Sunset:
  • 6:29 PM EDT
  • Moonrise:
  • 8:12 AM EDT
  • Moonset:
  • 6:40 PM EDT

TONIGHT

CHANCE OF T-STORM
Lo: 60°F
Precip: 90%

COLUMBUS DAY

MOSTLY SUNNY
Hi: 71°F
Lo: 55°F
Precip: 50%

TUESDAY

SUNNY

Hi: 79°F
Lo: 61°F

WEDNESDAY

SUNNY

Hi: 80°F
Lo: 59°F
Weather Forecast In Detail:
Forecast Issued: 400 PM EDT Sun Oct 11 2026

Tonight...A chance of thunderstorms. Showers. Lows around 60. Northeast winds 5 to 10 mph. Gusts up to 25 mph this evening. Chance of rain 90 percent.
Columbus Day...Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then mostly sunny in the afternoon. Highs in the lower 70s. North winds 5 to 10 mph. Chance of rain 50 percent.
Monday Night...Mostly clear. Lows in the mid 50s. Northwest winds around 5 mph.
Tuesday...Sunny. Highs in the upper 70s. Southwest winds 5 to 10 mph.
Tuesday Night...Mostly clear. Lows in the lower 60s. Southwest winds 5 to 10 mph.
Wednesday...Sunny. Highs around 80.
Wednesday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s.
Thursday...Mostly sunny. Not as warm with highs in the upper 60s.
Thursday Night...Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the mid 50s. Chance of rain 40 percent.
Friday...Showers likely. Highs in the lower 70s. Chance of rain 60 percent.
Friday Night...Mostly cloudy. Showers likely, mainly in the evening. Lows in the upper 40s. Chance of rain 60 percent.
Saturday...Mostly sunny. Much cooler with highs in the mid 50s.
Saturday Night...Partly cloudy. Cooler with lows in the upper 30s.
Sunday...Sunny. Highs in the mid 50s.
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