Harrington, DE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrington, a city in Kent County, Delaware.
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind around 5 mph.
7-day forecast for Harrington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 5 mph E | 3% |
| Tonight | 69°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 24% |
| Wednesday | 86°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 69% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 45% |
| Thursday | 89°F | Sunny | 5 to 10 mph SW | 12% |
| Thursday Night | 74°F | Mostly Clear | 5 to 10 mph S | 12% |
| Friday | 90°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 17% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 5 mph SW | 40% |
| Saturday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 28% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 28% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph W | 21% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 21% |
| Monday | 91°F | Sunny | 5 mph SW | 7% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 18% |
Forecast source: National Weather Service (api.weather.gov) for Harrington (38.924, -75.572). Updated through the day.
Growing snapshot for Harrington
Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
200 days
Hardiness zone
7b
More local growing data for Harrington: nearby ZIP 19952 weather · frost dates · planting calendar · Delaware frost dates
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Climate data from the nearest NOAA station, Greenwood 2Ne, De (7.2 mi from Harrington). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.