Nearby Harbors
39.1850’ N, 75.4000’ W

Port Mahon, DE

78°
H 80°
L 65°
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 		Partly Cloudy
Close Hourly 		80º / 65º 1% WNW 9 mph 54%
2pm Partly Cloudy 78º 0% WNW 8 mph 54%
3pm Mostly Cloudy 79º 0% WNW 8 mph 54%
4pm Mostly Cloudy 79º 1% WNW 8 mph 55%
5pm Partly Cloudy 78º 0% WNW 8 mph 57%
6pm Partly Cloudy 78º 1% WNW 7 mph 57%
7pm Partly Cloudy 77º 1% WNW 6 mph 62%
8pm Clear 74º 1% WNW 5 mph 67%
9pm Clear 72º 3% W 4 mph 73%
10pm Clear 71º 4% W 4 mph 74%
11pm Clear 71º 4% WSW 3 mph 77%
Wed
Aug 26 		Mostly Sunny
View Hourly 		83º / 70º 7% ESE 8 mph 65%
12am Clear 70º 5% W 4 mph 79%
1am Clear 69º 5% W 4 mph 82%
2am Clear 69º 6% WNW 3 mph 82%
3am Clear 68º 6% WNW 3 mph 85%
4am Clear 67º 7% NW 3 mph 88%
5am Clear 66º 7% NW 3 mph 89%
6am Mostly Clear 66º 7% NNW 2 mph 90%
7am Mostly Sunny 67º 7% N 2 mph 89%
8am Sunny 70º 5% NNE 2 mph 81%
9am Sunny 73º 3% NE 2 mph 74%
10am Mostly Sunny 75º 2% ENE 4 mph 67%
11am Partly Cloudy 77º 3% ESE 3 mph 63%
12pm Sunny 79º 3% SE 4 mph 59%
1pm Sunny 80º 2% SSE 5 mph 57%
2pm Partly Cloudy 81º 2% SSE 6 mph 56%
3pm Partly Cloudy 81º 2% SE 6 mph 57%
4pm Partly Cloudy 81º 1% SE 8 mph 57%
5pm Partly Cloudy 81º 2% SSE 8 mph 60%
6pm Partly Cloudy 80º 2% SSE 8 mph 62%
7pm Partly Cloudy 78º 2% SSE 7 mph 66%
8pm Partly Cloudy 76º 3% SSE 7 mph 71%
9pm Partly Cloudy 75º 3% S 8 mph 74%
10pm Partly Cloudy 74º 3% S 8 mph 76%
11pm Partly Cloudy 74º 4% S 8 mph 77%
Thu
Aug 27 		PM Thunderstorms
View Hourly 		83º / 71º 52% SSE 12 mph 76%
12am Partly Cloudy 73º 4% S 8 mph 79%
1am Partly Cloudy 72º 5% S 8 mph 80%
2am Partly Cloudy 72º 9% S 7 mph 82%
3am Partly Cloudy 72º 10% S 7 mph 84%
4am Partly Cloudy 71º 12% S 7 mph 87%
5am Partly Cloudy 71º 15% S 7 mph 87%
6am Partly Cloudy 71º 15% S 6 mph 90%
7am Mostly Cloudy 71º 8% S 6 mph 90%
8am Mostly Cloudy 74º 10% S 7 mph 88%
9am Mostly Cloudy 77º 11% S 8 mph 82%
10am Mostly Cloudy 79º 13% S 9 mph 77%
11am Cloudy 81º 24% S 9 mph 73%
12pm Isolated Thunderstorms 82º 32% SSE 11 mph 71%
1pm Mostly Cloudy 82º 24% SSE 11 mph 72%
Fri
Aug 28 		Scattered Thunderstorms 81º / 69º 63% SSW 5 mph 83%
Sat
Aug 29 		Cloudy 81º / 69º 23% ENE 8 mph 72%
Sun
Aug 30 		Partly Cloudy 84º / 70º 8% E 8 mph 75%
Mon
Aug 31 		Mostly Sunny 90º / 74º 8% SW 7 mph 70%
Tue
Sep 1 		Partly Cloudy 89º / 74º 15% SW 8 mph 68%

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

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    Wind Speed Forecast for Port Mahon, DE

    TuesdayWednesdayThursday
    Wind Speed (MPH) 874324688769
    6pm10pm2am6am10am2pm6pm10pm2am6am10am2pm
    MPH 874324688769
    DIR WNWWNWWWNWNNWENESSESSESSSS

    Current Weather Conditions In Port Mahon, DE

    As Of: 43 minutes ago

    • 78ºF
    • 80ºF
    • 8mph
    • 0º (WNW)
    • 8mph
    • Partly Cloudy
    • 10mi
    • 30.02"
    • 54%
    • 0ºF

    The weather right now in Port Mahon, DE is Partly Cloudy. The current temperature is 78°F, and the expected high and low for today, Tuesday, August 25, 2026, are 80° high temperature and 65°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 80° Fahrenheit. Expected precipitation is 0 percent, with current humidity at 54 percent, and air pressure at 30.02 in. Visibility is 10 nautical miles. There are no current weather alert(s).

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