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

* 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

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    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).