National Weather Service Forecast for: Clayton DE
Issued by: National Weather Service Philadelphia, PA
Updated: 3:18 pm EDT May 26, 2026
 
Tonight

Tonight: A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers after 5am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 64. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Mostly Cloudy
then Showers
Likely and
Patchy Fog
 Wednesday

Wednesday: Showers likely before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 80. Calm wind becoming west around 5 mph in the morning. 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
Patchy Fog
 Wednesday
Night
Wednesday Night: Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 64. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Slight Chance
T-storms
 Thursday

Thursday: Cloudy through mid morning, then gradual clearing, with a high near 79. North wind 5 to 10 mph.
Gradual
Clearing

 Thursday
Night
Thursday Night: Mostly clear, with a low around 56. North wind around 5 mph.
Mostly Clear

 Friday

Friday: Sunny, with a high near 77.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 59.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 75.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 54.
Mostly Clear
Lo 64 °F Hi 80 °F Lo 64 °F Hi 79 °F Lo 56 °F Hi 77 °F Lo 59 °F Hi 75 °F Lo 54 °F

 

Tonight
 
 A chance of showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 5am, then a chance of showers after 5am. Patchy fog between 4am and 5am. Otherwise, mostly cloudy, with a low around 64. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 Showers likely before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 80. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 64. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 Cloudy through mid morning, then gradual clearing, with a high near 79. North wind 5 to 10 mph.
Thursday Night
 
 Mostly clear, with a low around 56. North wind around 5 mph.
Friday
 
 Sunny, with a high near 77.
Friday Night
 
 Mostly clear, with a low around 59.
Saturday
 
 Sunny, with a high near 75.
Saturday Night
 
 Mostly clear, with a low around 54.
Sunday
 
 Sunny, with a high near 74.
Sunday Night
 
 Partly cloudy, with a low around 55.
Monday
 
 Mostly sunny, with a high near 74.
Monday Night
 
 Partly cloudy, with a low around 54.
Tuesday
 
 Mostly sunny, with a high near 74.

 

Forecast from NOAA-NWS for Clayton DE.