Harrington, DE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrington, a city in Kent County, Delaware.
Tonight
65°F
Mostly Cloudy
Mostly cloudy, with a low around 65. Northeast wind 0 to 5 mph.
7-day forecast for Harrington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 65°F | Mostly Cloudy | 0 to 5 mph NE | 2% |
| Saturday | 77°F | Mostly Sunny | 5 to 10 mph NE | 5% |
| Saturday Night | 66°F | Mostly Cloudy then Patchy Fog | 5 to 10 mph E | 2% |
| Sunday | 81°F | Patchy Fog then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 15% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms then Patchy Fog | 5 to 10 mph SW | 68% |
| Monday | 74°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 50% |
| Monday Night | 64°F | Chance Rain Showers | 10 to 15 mph NE | 42% |
| Tuesday | 69°F | Chance Rain Showers | 15 mph NE | 47% |
| Tuesday Night | 60°F | Chance Rain Showers | 15 mph NE | 47% |
| Wednesday | 66°F | Chance Rain Showers | 15 mph NE | 44% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 44% |
| Thursday | 66°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 36% |
| Thursday Night | 56°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 36% |
| Friday | 69°F | Chance Rain Showers | 10 mph N | 28% |
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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Wyoming
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 Sep 19, 2026.