National Weather Service Forecast for: Seaford DE
Issued by: National Weather Service Philadelphia, PA
Updated: 6:05 pm EST Dec 17, 2025
 
Tonight

Tonight: Patchy fog between 11pm and 1am. Patchy freezing fog after 1am. Otherwise, mostly cloudy early, then becoming mostly clear, with a low around 28. West wind around 5 mph becoming northeast after midnight.
Patchy
Freezing Fog
and Patchy
Fog
 Thursday

Thursday: Patchy fog between 8am and 10am. Patchy freezing fog before 8am. Otherwise, increasing clouds, with a high near 56. East wind 5 to 10 mph becoming south in the afternoon.
Patchy
Freezing Fog
and Patchy
Fog then
Mostly Cloudy
 Thursday
Night
Thursday Night: Rain, with thunderstorms also possible after 4am. Temperature rising to around 59 by 5am. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Rain Likely
then Rain and
Breezy

 Friday

Friday: Showers likely and possibly a thunderstorm before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 60. Breezy, with a south wind 20 to 25 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely and
Breezy

 Friday
Night
Friday Night: Mostly clear, with a low around 26. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Mostly Clear
and Breezy
then Mostly
Clear
 Saturday

Saturday: Sunny, with a high near 45.
Sunny


 Saturday
Night
Saturday Night: Partly cloudy, with a low around 36.
Partly Cloudy


 Sunday

Sunday: Mostly sunny, with a high near 52.
Mostly Sunny


 Sunday
Night
Sunday Night: Mostly clear, with a low around 25.
Mostly Clear
Lo 28 °F Hi 56 °F Lo 50 °F⇑ Hi 60 °F Lo 26 °F Hi 45 °F Lo 36 °F Hi 52 °F Lo 25 °F

 

Tonight
 
 Patchy fog between 11pm and 1am. Patchy freezing fog after 1am. Otherwise, mostly cloudy early, then becoming mostly clear, with a low around 28. West wind around 5 mph becoming northeast after midnight.
Thursday
 
 Patchy fog between 8am and 10am. Patchy freezing fog before 8am. Otherwise, increasing clouds, with a high near 56. East wind 5 to 10 mph becoming south in the afternoon.
Thursday Night
 
 Rain, with thunderstorms also possible after 4am. Temperature rising to around 59 by 5am. Breezy, with a south wind 10 to 15 mph increasing to 20 to 25 mph after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
 
 Showers likely and possibly a thunderstorm before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 60. Breezy, with a south wind 20 to 25 mph becoming west in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
 
 Mostly clear, with a low around 26. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 35 mph.
Saturday
 
 Sunny, with a high near 45.
Saturday Night
 
 Partly cloudy, with a low around 36.
Sunday
 
 Mostly sunny, with a high near 52.
Sunday Night
 
 Mostly clear, with a low around 25.
Monday
 
 Sunny, with a high near 39.
Monday Night
 
 Partly cloudy, with a low around 25.
Tuesday
 
 A chance of rain. Partly sunny, with a high near 47. Chance of precipitation is 30%.
Tuesday Night
 
 Mostly cloudy, with a low around 35.
Wednesday
 
 Mostly sunny, with a high near 48.

 

Forecast from NOAA-NWS for Seaford DE.