National Weather Service Forecast for: Long Neck DE
Issued by: National Weather Service Philadelphia, PA
Updated: 4:09 pm EDT Sep 12, 2026
 
Overnight

Overnight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 71. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 Sunday

Sunday: Showers and thunderstorms before 2pm, then a slight chance of thunderstorms between 2pm and 3pm. High near 85. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers then
Chance
Showers
 Sunday
Night
Sunday Night: Mostly clear, with a low around 68. Southwest wind around 5 mph.
Mostly Clear

 Monday

Monday: Mostly sunny, with a high near 78. North wind around 15 mph, with gusts as high as 25 mph.
Mostly Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 60. North wind 10 to 15 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 75.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 62.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 77.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 63.
Mostly Clear
Lo 71 °F Hi 85 °F Lo 68 °F Hi 78 °F Lo 60 °F Hi 75 °F Lo 62 °F Hi 77 °F Lo 63 °F

 

Overnight
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2am. Low around 71. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 Showers and thunderstorms before 2pm, then a slight chance of thunderstorms between 2pm and 3pm. High near 85. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
 
 Mostly clear, with a low around 68. Southwest wind around 5 mph.
Monday
 
 Mostly sunny, with a high near 78. North wind around 15 mph, with gusts as high as 25 mph.
Monday Night
 
 Mostly clear, with a low around 60. North wind 10 to 15 mph.
Tuesday
 
 Sunny, with a high near 75.
Tuesday Night
 
 Mostly clear, with a low around 62.
Wednesday
 
 Sunny, with a high near 77.
Wednesday Night
 
 Mostly clear, with a low around 63.
Thursday
 
 Sunny, with a high near 80.
Thursday Night
 
 Mostly clear, with a low around 65.
Friday
 
 Mostly sunny, with a high near 82.
Friday Night
 
 Partly cloudy, with a low around 66.
Saturday
 
 Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Long Neck DE.