39.1850’ N, 75.4000’ W

Port Mahon, DE

47°
H -°
L 43°
E
4mph
Low tide
2:41 am

Port Mahon, DE Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Oct 23
Partly Cloudy -º / 43º 4% NE 6 mph 77%
Sat
Oct 24
Sunny
View Hourly
63º / 43º 5% ENE 7 mph 57%
12am Clear 47º 1% E 4 mph 75%
1am Mostly Clear 47º 1% ENE 4 mph 79%
2am Clear 47º 1% NE 4 mph 79%
3am Clear 48º 2% NE 5 mph 76%
4am Clear 47º 2% NNE 5 mph 79%
5am Clear 46º 2% NNE 6 mph 81%
6am Mostly Clear 46º 3% NNE 6 mph 84%
7am Mostly Clear 44º 5% N 5 mph 82%
8am Sunny 45º 5% N 5 mph 81%
9am Sunny 49º 3% NNE 7 mph 74%
10am Sunny 54º 2% NNE 7 mph 64%
11am Sunny 57º 0% NNE 7 mph 55%
12pm Sunny 59º 0% NE 6 mph 49%
1pm Sunny 60º 0% ENE 5 mph 46%
2pm Sunny 61º 0% ENE 4 mph 44%
3pm Sunny 61º 0% E 4 mph 44%
4pm Sunny 61º 0% SE 4 mph 46%
5pm Sunny 60º 0% SE 4 mph 48%
6pm Sunny 58º 0% SSE 3 mph 55%
7pm Clear 54º 1% SSE 2 mph 67%
8pm Clear 52º 2% SSE 2 mph 73%
9pm Clear 50º 2% SE 2 mph 76%
10pm Clear 49º 2% SE 1 mph 78%
11pm Clear 48º 3% ESE 1 mph 79%
Sun
Oct 25
Sunny
View Hourly
65º / 41º 6% NNW 5 mph 58%
12am Clear 48º 3% ENE 1 mph 80%
1am Clear 47º 3% NE 1 mph 81%
2am Clear 46º 4% NNE 1 mph 84%
3am Clear 45º 4% NNE 2 mph 86%
4am Clear 45º 5% N 2 mph 87%
5am Clear 45º 5% NNE 3 mph 88%
6am Clear 44º 6% NNE 3 mph 87%
7am Clear 44º 6% N 3 mph 88%
8am Sunny 45º 6% N 3 mph 87%
9am Sunny 50º 5% N 4 mph 79%
10am Sunny 54º 2% N 5 mph 68%
11am Sunny 57º 1% N 5 mph 58%
12pm Sunny 59º 0% N 4 mph 51%
1pm Sunny 61º 0% N 4 mph 45%
2pm Sunny 63º 0% N 3 mph 42%
3pm Sunny 64º 0% NNW 3 mph 42%
4pm Sunny 63º 0% NW 3 mph 43%
5pm Sunny 63º 0% WNW 3 mph 45%
6pm Sunny 60º 0% SW 2 mph 52%
7pm Clear 56º 1% SSW 1 mph 62%
8pm Clear 53º 1% SW 1 mph 69%
9pm Clear 51º 2% SW 1 mph 74%
10pm Clear 49º 3% WSW 1 mph 79%
11pm Clear 48º 4% SW 1 mph 82%
Mon
Oct 26
Sunny 69º / 50º 7% W 8 mph 63%
Tue
Oct 27
Sunny 66º / 46º 5% NNE 10 mph 61%
Wed
Oct 28
Partly Cloudy 64º / 50º 5% E 9 mph 66%
Thu
Oct 29
Mostly Sunny 68º / 51º 7% S 8 mph 68%
Fri
Oct 30
Sunny 72º / 51º 7% WNW 8 mph 66%

Weather Radar for Port Mahon, DE See Radar

* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Port Mahon, DE

Tonight
Low : 47ºF
E wind 5 to 10 kt. Mostly clear. Waves 1 to 2 ft.
Saturday
High : 60ºF
NE wind 5 to 10 kt becoming E in the afternoon. Sunny. Waves around 1 ft.
Saturday Night
Low : 48ºF
Variable winds 5 kt or less. Clear. Waves 1 ft or less.
Sunday
High : 62ºF
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Sunday Night
Low : 48ºF
Variable winds 5 kt or less. Clear. Waves 1 ft or less.
Monday
High : 65ºF
Variable winds 5 kt or less. Sunny. Waves 1 ft or less.
Monday Night
Low : 54ºF
Variable winds 5 kt or less. Clear. Waves around 1 ft.
Tuesday
High : 64ºF
NNE wind 7 to 10 kt decreasing to 5 to 8 kt in the afternoon. Sunny. Waves around 1 ft.
Tuesday Night
Low : 53ºF
Variable winds 5 kt or less. Partly cloudy. 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

    SaturdaySundayMonday
    Wind Speed (MPH) 455642123431
    4am8am12pm4pm8pm12am4am8am12pm4pm8pm12am
    MPH 455642123431
    DIR ENNENNESESSEENENNNNWSW

    Current Weather Conditions In Port Mahon, DE

    As Of: 11 minutes ago

    • 47ºF
    • 46ºF
    • 4mph
    • 0º (E)
    • 4mph
    • Clear
    • 9mi
    • 30.45"
    • 75%
    • 0ºF

    The weather right now in Port Mahon, DE is Clear. The current temperature is 47°F, and the expected high and low for today, Saturday, October 24, 2026, are -° high temperature and 43°F low temperature. The wind is currently blowing at 4 miles per hour, and coming from the East. The wind is gusting to 4 mph. With the wind and the atmosphere the temperature feels like 46° Fahrenheit. Expected precipitation is 1 percent, with current humidity at 75 percent, and air pressure at 30.45 in. Visibility is 9 nautical miles. There are 1 current weather alert(s).

    Weather Alerts
    Frost Advisory - 5:28pm Fri Oct 23 2026

    ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM EDT SATURDAY...

    WHAT: Temperatures as low as 34 degrees will result in frost
    formation.

    WHERE: In Delaware, Kent and New Castle Counties. In Maryland,
    Caroline, Kent MD, Queen Annes, and Talbot Counties.

    WHEN: From midnight tonight to 9 AM EDT Saturday.

    IMPACTS: Frost could harm sensitive outdoor vegetation. Sensitive
    outdoor plants may be killed if left uncovered.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    Take steps now to protect tender plants from the cold.

    &&