National Weather Service Forecast for: Harrington DE
Issued by: National Weather Service Philadelphia, PA
Updated: 4:08 am EDT Jul 13, 2026
 
Today

Today: Sunny, with a high near 83. Light east wind increasing to 5 to 10 mph in the morning.
Sunny
Tonight

Tonight: Mostly clear, with a low around 62. Southeast wind around 5 mph becoming calm  in the evening.
Mostly Clear
Tuesday

Tuesday: Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny
Tuesday
Night
Tuesday Night: Clear, with a low around 70. Southwest wind around 5 mph.
Clear
Wednesday

Wednesday: Sunny and hot, with a high near 97. West wind 5 to 10 mph, with gusts as high as 20 mph.
Hot
Wednesday
Night
Wednesday Night: Mostly clear, with a low around 75.
Mostly Clear
Thursday

Thursday: Mostly sunny, with a high near 95.
Mostly Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 73.
Partly Cloudy
Friday

Friday: Sunny, with a high near 94.
Sunny
Hi 83 °F Lo 62 °F Hi 90 °F Lo 70 °F Hi 97 °F Lo 75 °F Hi 95 °F Lo 73 °F Hi 94 °F

 

Today
 
Sunny, with a high near 83. Light east wind increasing to 5 to 10 mph in the morning.
Tonight
 
Mostly clear, with a low around 62. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
 
Sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
 
Clear, with a low around 70. Southwest wind around 5 mph.
Wednesday
 
Sunny and hot, with a high near 97. West wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
Mostly clear, with a low around 75.
Thursday
 
Mostly sunny, with a high near 95.
Thursday Night
 
Partly cloudy, with a low around 73.
Friday
 
Sunny, with a high near 94.
Friday Night
 
Partly cloudy, with a low around 72.
Saturday
 
A chance of showers. Mostly sunny, with a high near 92. Chance of precipitation is 30%.
Saturday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Sunday
 
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Harrington DE.