Nearby Harbors
39.1850’ N, 75.4000’ W

Port Mahon, DE

79°
H 79°
L 66°
WNW
8mph
High tide
8:43 pm

Port Mahon, DE Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Tue
Aug 25 		Cloudy
Close Hourly 		79º / 66º 1% WNW 7 mph 55%
3pm Cloudy 79º 0% WNW 8 mph 53%
4pm Cloudy 79º 1% WNW 8 mph 54%
5pm Partly Cloudy 79º 0% WNW 8 mph 55%
6pm Partly Cloudy 79º 1% WNW 7 mph 56%
7pm Partly Cloudy 77º 1% W 5 mph 61%
8pm Mostly Clear 74º 1% W 4 mph 67%
9pm Mostly Clear 73º 2% W 4 mph 72%
10pm Mostly Clear 72º 4% W 4 mph 75%
11pm Clear 71º 4% W 4 mph 77%
Wed
Aug 26 		Mostly Sunny
View Hourly 		82º / 71º 7% ESE 9 mph 66%
12am Clear 71º 5% W 4 mph 78%
1am Clear 70º 5% W 4 mph 80%
2am Clear 69º 5% WNW 4 mph 82%
3am Clear 69º 6% WNW 3 mph 84%
4am Clear 67º 6% NW 3 mph 87%
5am Mostly Clear 67º 6% NW 4 mph 88%
6am Mostly Clear 67º 7% NNW 3 mph 88%
7am Sunny 67º 7% N 3 mph 88%
8am Sunny 70º 5% NNE 3 mph 82%
9am Sunny 73º 4% NE 3 mph 75%
10am Mostly Sunny 75º 3% E 3 mph 69%
11am Partly Cloudy 77º 3% ESE 4 mph 64%
12pm Mostly Sunny 78º 3% SSE 5 mph 60%
1pm Mostly Sunny 79º 2% SSE 5 mph 58%
2pm Partly Cloudy 80º 3% SSE 6 mph 57%
3pm Partly Cloudy 80º 2% SSE 7 mph 57%
4pm Partly Cloudy 80º 1% SSE 8 mph 58%
5pm Partly Cloudy 80º 3% SSE 9 mph 62%
6pm Partly Cloudy 80º 2% SSE 8 mph 63%
7pm Partly Cloudy 78º 2% SSE 7 mph 66%
8pm Partly Cloudy 77º 3% SSE 7 mph 70%
9pm Partly Cloudy 76º 3% S 9 mph 74%
10pm Mostly Cloudy 75º 3% S 9 mph 74%
11pm Partly Cloudy 74º 4% S 9 mph 76%
Thu
Aug 27 		PM Thunderstorms
View Hourly 		83º / 72º 54% SSE 13 mph 77%
12am Partly Cloudy 74º 4% S 9 mph 77%
1am Partly Cloudy 73º 7% S 9 mph 79%
2am Partly Cloudy 73º 10% S 8 mph 81%
3am Partly Cloudy 73º 14% S 8 mph 83%
4am Partly Cloudy 72º 12% S 8 mph 85%
5am Partly Cloudy 72º 9% S 7 mph 87%
6am Partly Cloudy 72º 16% S 7 mph 89%
7am Mostly Cloudy 72º 10% S 6 mph 91%
8am Mostly Cloudy 74º 11% S 7 mph 90%
9am Partly Cloudy 77º 14% S 8 mph 82%
10am Mostly Cloudy 79º 15% S 9 mph 77%
11am Mostly Cloudy 81º 24% S 10 mph 73%
12pm Few Showers 81º 31% SSE 11 mph 73%
1pm Isolated Thunderstorms 82º 31% SSE 11 mph 72%
2pm Scattered Thunderstorms 82º 54% SSE 13 mph 72%
Fri
Aug 28 		Showers 82º / 70º 65% NW 5 mph 81%
Sat
Aug 29 		Mostly Cloudy 81º / 69º 21% ENE 8 mph 73%
Sun
Aug 30 		Partly Cloudy 83º / 71º 17% ESE 8 mph 76%
Mon
Aug 31 		Mostly Sunny 90º / 74º 9% SW 7 mph 70%
Tue
Sep 1 		Partly Cloudy 90º / 74º 17% SW 8 mph 67%

Weather Radar for Port Mahon, DE See Radar

See Radar Map

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Port Mahon, DE

This Afternoon
High : 79ºF
Variable winds 5 kt or less. Sunny. Waves around 1 ft.
Tonight
Low : 68ºF
Variable winds 5 kt or less. Mostly cloudy, then gradually becoming clear. Waves 1 ft or less.
Wednesday
High : 81ºF
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Wednesday Night
Low : 73ºF
S wind around 10 kt. A chance of showers and thunderstorms after 2am. Waves around 1 ft.
Thursday
High : 81ºF
S wind around 10 kt. A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Waves around 1 ft.
Thursday Night
Low : 72ºF
SSE wind 5 to 10 kt becoming SSW after midnight. A chance of showers and thunderstorms. Waves around 1 ft.
Friday
High : 81ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms after 2pm. Waves around 1 ft.
Friday Night
Low : 71ºF
Variable winds 5 kt or less. A chance of showers and thunderstorms before 8pm. Waves 1 ft or less.
Saturday
High : 80ºF
Variable winds 5 kt or less. Mostly sunny. Waves around 1 ft.

NOAA Buoy Data Near Port Mahon, DE See Map

Loading Map...
Loading Buoy Data...

    Wind Speed Forecast for Port Mahon, DE

    TuesdayWednesdayThursday
    Wind Speed (MPH) 8543347798610
    7pm11pm3am7am11am3pm7pm11pm3am7am11am3pm
    MPH 8543347798610
    DIR WNWWWWNWNESESSESSESSSS

    Current Weather Conditions In Port Mahon, DE

    As Of: 23 minutes ago

    • 79ºF
    • 81ºF
    • 8mph
    • 0º (WNW)
    • 8mph
    • Cloudy
    • 10mi
    • 30.01"
    • 53%
    • 0ºF

    The weather right now in Port Mahon, DE is Cloudy. The current temperature is 79°F, and the expected high and low for today, Tuesday, August 25, 2026, are 79° high temperature and 66°F low temperature. The wind is currently blowing at 8 miles per hour, and coming from the West Northwest. The wind is gusting to 8 mph. With the wind and the atmosphere the temperature feels like 81° Fahrenheit. Expected precipitation is 0 percent, with current humidity at 53 percent, and air pressure at 30.01 in. Visibility is 10 nautical miles. There are no current weather alert(s).

    Your Privacy Choices