Nearby Harbors
39.6567’ N, 75.5617’ W

New Castle, DE

67°
H -°
L 60°
NW
4mph
Low tide
8:26 pm

New Castle, DE Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Mon
Sep 28 		Cloudy
Close Hourly 		-º / 60º 8% WNW 5 mph 90%
7pm Cloudy 67º 18% NW 4 mph 83%
8pm Cloudy 66º 3% WNW 3 mph 86%
9pm Cloudy 65º 4% W 3 mph 89%
10pm Cloudy 64º 3% WSW 3 mph 91%
11pm Cloudy 64º 3% W 3 mph 91%
Tue
Sep 29 		Cloudy
View Hourly 		75º / 57º 8% NW 7 mph 75%
12am Cloudy 63º 3% W 3 mph 93%
1am Cloudy 63º 5% WNW 4 mph 92%
2am Cloudy 63º 8% WNW 4 mph 91%
3am Cloudy 63º 7% WNW 4 mph 91%
4am Cloudy 62º 7% WNW 4 mph 91%
5am Cloudy 61º 7% NW 4 mph 94%
6am Cloudy 61º 7% WNW 3 mph 95%
7am Cloudy 61º 8% WNW 3 mph 95%
8am Cloudy 62º 7% WNW 4 mph 93%
9am Cloudy 65º 6% NW 5 mph 86%
10am Mostly Cloudy 67º 4% NW 6 mph 81%
11am Mostly Cloudy 69º 3% NW 6 mph 75%
12pm Partly Cloudy 71º 1% NW 6 mph 69%
1pm Mostly Cloudy 73º 0% NW 7 mph 66%
2pm Cloudy 74º 0% NW 7 mph 65%
3pm Cloudy 74º 1% NW 7 mph 64%
4pm Mostly Cloudy 73º 1% NW 6 mph 66%
5pm Cloudy 73º 4% NW 7 mph 66%
6pm Mostly Cloudy 72º 3% WNW 5 mph 69%
7pm Mostly Cloudy 70º 4% WNW 5 mph 74%
8pm Partly Cloudy 68º 5% WNW 4 mph 79%
9pm Partly Cloudy 67º 5% WNW 4 mph 83%
10pm Partly Cloudy 66º 6% WNW 4 mph 87%
11pm Partly Cloudy 65º 7% WNW 3 mph 89%
Wed
Sep 30 		Partly Cloudy
View Hourly 		78º / 61º 12% W 6 mph 74%
12am Partly Cloudy 63º 8% NW 3 mph 93%
1am Partly Cloudy 62º 8% NW 3 mph 95%
2am Partly Cloudy 62º 12% NNW 3 mph 94%
3am Partly Cloudy 61º 8% NNW 3 mph 96%
4am Partly Cloudy 60º 12% NNW 3 mph 96%
5am Partly Cloudy 59º 16% NNW 3 mph 98%
6am Partly Cloudy 58º 16% NW 2 mph 100%
7am Partly Cloudy 58º 12% NW 2 mph 100%
8am Partly Cloudy 60º 8% NNW 2 mph 95%
9am Partly Cloudy 64º 6% N 3 mph 87%
10am Partly Cloudy 68º 4% NNE 3 mph 79%
11am Partly Cloudy 72º 2% WNW 4 mph 70%
12pm Partly Cloudy 74º 1% W 4 mph 65%
1pm Mostly Cloudy 76º 1% WSW 5 mph 63%
2pm Cloudy 76º 1% WSW 4 mph 63%
3pm Mostly Cloudy 76º 1% WSW 5 mph 64%
4pm Mostly Cloudy 76º 1% WSW 5 mph 64%
5pm Mostly Cloudy 76º 1% WSW 6 mph 66%
6pm Mostly Cloudy 74º 2% SSW 5 mph 70%
Thu
Oct 1 		Partly Cloudy 83º / 63º 8% SW 9 mph 72%
Fri
Oct 2 		Mostly Sunny 87º / 65º 6% WSW 9 mph 63%
Sat
Oct 3 		PM Showers 72º / 60º 44% NE 10 mph 72%
Sun
Oct 4 		Rain 66º / 58º 79% NE 11 mph 85%
Mon
Oct 5 		Partly Cloudy 68º / 44º 23% NNW 14 mph 67%

Weather Radar for New Castle, DE See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for New Castle, DE

This Afternoon
High : 68ºF
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Tonight
Low : 61ºF
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Tuesday
High : 73ºF
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Tuesday Night
Low : 62ºF
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Wednesday
High : 77ºF
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Wednesday Night
Low : 64ºF
Variable winds 5 kt or less. Partly cloudy. Waves 1 ft or less.
Thursday
High : 80ºF
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.
Thursday Night
Low : 66ºF
Variable winds 5 kt or less. Mostly clear. Waves 1 ft or less.
Friday
High : 79ºF
Variable winds 5 kt or less. Mostly sunny. Waves 1 ft or less.

NOAA Buoy Data Near New Castle, DE See Map

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    Wind Speed Forecast for New Castle, DE

    MondayTuesdayWednesday
    Wind Speed (MPH) 434367533245
    11pm3am7am11am3pm7pm11pm3am7am11am3pm7pm
    MPH 434367533245
    DIR NWWWNWWNWNWNWWNWWNWNNWNWWNWWSW

    Current Weather Conditions In New Castle, DE

    As Of: 21 minutes ago

    • 67ºF
    • 67ºF
    • 4mph
    • 0º (NW)
    • 4mph
    • Cloudy
    • 10mi
    • 29.91"
    • 83%
    • 0ºF

    The weather right now in New Castle, DE is Cloudy. The current temperature is 67°F, and the expected high and low for today, Monday, September 28, 2026, are -° high temperature and 60°F low temperature. The wind is currently blowing at 4 miles per hour, and coming from the Northwest. The wind is gusting to 4 mph. With the wind and the atmosphere the temperature feels like 67° Fahrenheit. Expected precipitation is 18 percent, with current humidity at 83 percent, and air pressure at 29.91 in. Visibility is 10 nautical miles. There are no current weather alert(s).

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