NWS Forecast for Harrington DE

National Weather Service Forecast for: Harrington DE
Issued by: National Weather Service Philadelphia, PA

Updated: 6:43 pm EDT May 28, 2026

Tonight Clear	Friday Sunny	Friday Night Mostly Clear	Saturday Mostly Sunny and Breezy	Saturday Night Partly Cloudy	Sunday Sunny	Sunday Night Mostly Clear	Monday Mostly Sunny	Monday Night Mostly Clear
Lo 54 °F	Hi 77 °F	Lo 57 °F	Hi 71 °F	Lo 49 °F	Hi 73 °F	Lo 55 °F	Hi 77 °F	Lo 55 °F

Tonight	Clear, with a low around 54. North wind 5 to 15 mph.
Friday	Sunny, with a high near 77. North wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Friday Night	Mostly clear, with a low around 57. Southwest wind 5 to 10 mph.
Saturday	Mostly sunny, with a high near 71. Breezy, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night	Partly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.
Sunday	Sunny, with a high near 73.
Sunday Night	Mostly clear, with a low around 55.
Monday	Mostly sunny, with a high near 77.
Monday Night	Mostly clear, with a low around 55.
Tuesday	Sunny, with a high near 75.
Tuesday Night	Partly cloudy, with a low around 54.
Wednesday	Mostly sunny, with a high near 73.
Wednesday Night	Mostly clear, with a low around 55.
Thursday	Sunny, with a high near 78.

Forecast from NOAA-NWS for Harrington DE.