Marine Weather Net

Port Penn, DE Weather Forecast




Port Penn, Delaware

 Lat: 39.52N, Lon: 75.58W

Current Conditions Updated: 251 PM EDT WED JUL 15 2026

Clear


Temp: 97°F
  • Humidity:
  • 47%
  • Winds:
  • 9 MPH WSW
  • Gusts:
  • 18 MPH
  • Barometer:
  • 29.88 in.
  • Dewpoint:
  • 74°F
  • Heat index:
  • 108°F

  • Sunrise:
  • 5:46 AM EDT
  • Sunset:
  • 8:27 PM EDT
  • Moonrise:
  • 7:01 AM EDT
  • Moonset:
  • 9:42 PM EDT

TODAY

SUNNY

Hi: 99°F
Lo: 75°F

THURSDAY

MOSTLY SUNNY
Hi: 95°F
Lo: 75°F

FRIDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 71°F

SATURDAY

CHANCE OF T-STORM
Hi: 89°F
Lo: 71°F
Precip: 90%
Weather Forecast In Detail:
Forecast Issued: 400 AM EDT Wed Jul 15 2026

EXTREME HEAT WARNING IN EFFECT FROM 10 AM THIS MORNING TO 8 PM EDT THIS EVENING
Today...Sunny, hot with highs in the upper 90s. West winds 5 to 10 mph. Gusts up to 25 mph this afternoon. Heat index values up to 108 this afternoon.
Tonight...Partly cloudy. Areas of smoke after midnight. Humid with lows in the mid 70s. West winds 5 to 10 mph with gusts up to 20 mph, becoming north after midnight.
Thursday...Mostly sunny. Areas of smoke in the morning, then smoke in the afternoon. Hot with highs in the mid 90s. West winds 5 to 10 mph with gusts up to 25 mph.
Thursday Night...Partly cloudy in the evening, then clearing. Areas of smoke. Humid with lows in the lower 70s. West winds 5 to 10 mph with gusts up to 20 mph, becoming north after midnight.
Friday...Mostly sunny. Hot with highs in the lower 90s. Northwest winds around 5 mph.
Friday Night...Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 70s. Chance of rain 40 percent.
Saturday...A chance of thunderstorms. Showers, hot with highs in the upper 80s. Chance of rain 90 percent.
Saturday Night...A chance of thunderstorms. Showers. Lows in the lower 70s. Chance of rain 90 percent.
Sunday...Partly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs in the upper 80s. Chance of rain 30 percent.
Sunday Night...Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 30 percent.
Monday...Mostly sunny. Hot with highs in the upper 80s.
Monday Night...Partly cloudy. Lows in the lower 70s.
Tuesday...Partly sunny. A chance of showers and thunderstorms in the afternoon. Hot with highs around 90. Chance of rain 50 percent.
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