National Weather Service Forecast for: Smyrna DE
Issued by: National Weather Service Philadelphia, PA
Updated: 7:17 pm EDT Jun 18, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 69. West wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Cloudy

 Juneteenth

Juneteenth: A chance of showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 81. West wind 5 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Chance
Showers then
Partly Sunny
 Friday
Night
Friday Night: Mostly clear, with a low around 63. West wind around 5 mph.
Mostly Clear

 Saturday

Saturday: Sunny, with a high near 83. West wind 10 to 15 mph.
Sunny

 Saturday
Night
Saturday Night: Mostly clear, with a low around 62. West wind around 5 mph.
Mostly Clear

 Sunday

Sunday: Sunny, with a high near 85.
Sunny

 Sunday
Night
Sunday Night: A chance of showers after 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Partly Cloudy
then Chance
Showers
 Monday

Monday: A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%.
Chance
Showers then
Showers
 Monday
Night
Monday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 66. Chance of precipitation is 80%.
Showers
Lo 69 °F Hi 81 °F Lo 63 °F Hi 83 °F Lo 62 °F Hi 85 °F Lo 67 °F Hi 85 °F Lo 66 °F

 

Tonight
 
 Mostly cloudy, with a low around 69. West wind 5 to 10 mph, with gusts as high as 20 mph.
Juneteenth
 
 A chance of showers, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 81. West wind 5 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
 
 Mostly clear, with a low around 63. West wind around 5 mph.
Saturday
 
 Sunny, with a high near 83. West wind 10 to 15 mph.
Saturday Night
 
 Mostly clear, with a low around 62. West wind around 5 mph.
Sunday
 
 Sunny, with a high near 85.
Sunday Night
 
 A chance of showers after 2am. Partly cloudy, with a low around 67. Chance of precipitation is 30%.
Monday
 
 A chance of showers, then showers and possibly a thunderstorm after 2pm. High near 85. Chance of precipitation is 80%.
Monday Night
 
 Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 66. Chance of precipitation is 80%.
Tuesday
 
 A chance of showers before 8am. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Tuesday Night
 
 Mostly clear, with a low around 64.
Wednesday
 
 Mostly sunny, with a high near 84.
Wednesday Night
 
 Partly cloudy, with a low around 65.
Thursday
 
 A chance of showers. Mostly sunny, with a high near 83. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Smyrna DE.