Harrington, DE Weather & Growing Conditions
Tonight
65°F
Mostly Cloudy
Mostly cloudy, with a low around 65. Northeast wind 0 to 5 mph.
7-day forecast
| 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 | 6% |
| Saturday Night | 66°F | Mostly Cloudy then Patchy Fog | 5 to 10 mph E | 2% |
| Sunday | 81°F | Patchy Fog then Slight Chance Rain Showers | 5 to 10 mph S | 15% |
| Sunday Night | 67°F | Showers And Thunderstorms Likely | 5 to 10 mph SW | 67% |
| Monday | 74°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 49% |
| Monday Night | 63°F | Chance Rain Showers | 5 to 10 mph NE | 42% |
| Tuesday | 69°F | Chance Rain Showers | 15 mph NE | 48% |
| Tuesday Night | 60°F | Chance Rain Showers | 10 to 15 mph NE | 48% |
| 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). Updated through the day.
Growing snapshot for Harrington, DE
Last spring frost
Apr 11
First fall frost
Oct 30
Growing season
200 days
Hardiness zone
7b
Explore more for Harrington, DE: full frost dates · planting calendar · Delaware frost dates
Climate data from the nearest NOAA station, Greenwood 2Ne, De (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.