National Weather Service Forecast for: Claymont DE
Issued by: National Weather Service Philadelphia, PA
Updated: 4:07 am EDT Jun 22, 2026
 
Today

Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe and produce heavy rainfall. High near 85. East wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Slight Chance
Showers then
Severe
T-Storms
 Tonight

Tonight: Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 2am, then a chance of showers after 2am. Some of the storms could be severe and produce heavy rainfall. Low around 68. Southeast wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Severe
T-Storms
then Heavy
Rain
 Tuesday

Tuesday: A chance of showers, mainly between noon and 2pm. Partly sunny, with a high near 80. North wind 10 to 15 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Chance
Showers

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 63. Northwest wind around 10 mph, with gusts as high as 20 mph.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 84. Northwest wind 5 to 10 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 64.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 88.
Mostly Sunny

 Thursday
Night
Thursday Night: A chance of showers after 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Chance
Showers

 Friday

Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
Hi 85 °F Lo 68 °F Hi 80 °F Lo 63 °F Hi 84 °F Lo 64 °F Hi 88 °F Lo 67 °F Hi 86 °F

Flood Watch
 

Today
 
 A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. Some of the storms could be severe and produce heavy rainfall. High near 85. East wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 2am, then a chance of showers after 2am. Some of the storms could be severe and produce heavy rainfall. Low around 68. Southeast wind 5 to 10 mph becoming southwest after midnight. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday
 
 A chance of showers, mainly between noon and 2pm. Partly sunny, with a high near 80. North wind 10 to 15 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
 
 Mostly clear, with a low around 63. Northwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
 
 Sunny, with a high near 84. Northwest wind 5 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 64.
Thursday
 
 Mostly sunny, with a high near 88.
Thursday Night
 
 A chance of showers after 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Friday
 
 A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Friday Night
 
 A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Saturday
 
 A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Saturday Night
 
 Partly cloudy, with a low around 68.
Sunday
 
 Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Claymont DE.