National Weather Service Forecast for: Harrington DE
Issued by: National Weather Service Philadelphia, PA
Updated: 9:44 pm EST Dec 4, 2025
 
Overnight

Overnight: A chance of snow, mainly after 5am. Cloudy, with a low around 25. Northeast wind around 5 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Chance Snow

 Friday

Friday: Snow likely before 1pm, then a chance of rain and snow. Cloudy, with a high near 36. Northeast wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Snow Likely
then Chance
Rain/Snow
 Friday
Night
Friday Night: A chance of snow and freezing rain before 10pm, then a slight chance of freezing rain. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Chance Wintry
Mix then
Slight Chance
Freezing Rain
 Saturday

Saturday: Partly sunny, with a high near 44. Calm wind becoming west around 5 mph.
Partly Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 26. Calm wind.
Partly Cloudy

 Sunday

Sunday: Partly sunny, with a high near 44.
Partly Sunny

 Sunday
Night
Sunday Night: Mostly cloudy, with a low around 27.
Mostly Cloudy

 Monday

Monday: Mostly sunny, with a high near 37.
Mostly Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 19.
Mostly Clear
Lo 25 °F Hi 36 °F Lo 28 °F Hi 44 °F Lo 26 °F Hi 44 °F Lo 27 °F Hi 37 °F Lo 19 °F

 

Overnight
 
 A chance of snow, mainly after 5am. Cloudy, with a low around 25. Northeast wind around 5 mph. Chance of precipitation is 30%. Total nighttime snow accumulation of less than a half inch possible.
Friday
 
 Snow likely before 1pm, then a chance of rain and snow. Cloudy, with a high near 36. Northeast wind around 5 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Friday Night
 
 A chance of snow and freezing rain before 10pm, then a slight chance of freezing rain. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Saturday
 
 Partly sunny, with a high near 44. Calm wind becoming west around 5 mph.
Saturday Night
 
 Partly cloudy, with a low around 26. Calm wind.
Sunday
 
 Partly sunny, with a high near 44.
Sunday Night
 
 Mostly cloudy, with a low around 27.
Monday
 
 Mostly sunny, with a high near 37.
Monday Night
 
 Mostly clear, with a low around 19.
Tuesday
 
 Mostly sunny, with a high near 39.
Tuesday Night
 
 Mostly cloudy, with a low around 29.
Wednesday
 
 Partly sunny, with a high near 47.
Wednesday Night
 
 A chance of rain. Mostly cloudy, with a low around 35. Chance of precipitation is 30%.
Thursday
 
 A chance of rain. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.

 

Forecast from NOAA-NWS for Harrington DE.