Harman US

Harrington, DE Weather & Growing Conditions

This Afternoon
76°F
Sunny
Sunny. High near 76, with temperatures falling to around 70 in the afternoon. South wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 76°F Sunny 5 mph S 1%
Tonight 60°F Mostly Cloudy 5 mph S 2%
Thursday 76°F Mostly Cloudy then Slight Chance Light Rain 5 to 10 mph S 20%
Thursday Night 63°F Light Rain 5 mph S 89%
Friday 70°F Rain 0 to 5 mph SW 92%
Friday Night 50°F Light Rain 0 to 5 mph NW 80%
Saturday 64°F Mostly Sunny 5 to 10 mph NW 6%
Saturday Night 41°F Partly Cloudy 5 mph W 5%
Sunday 60°F Mostly Sunny 5 to 10 mph W 4%
Sunday Night 40°F Mostly Clear 5 mph W 7%
Monday 59°F Sunny 5 to 10 mph NW 7%
Monday Night 37°F Mostly Clear 0 to 5 mph W 4%
Tuesday 63°F Sunny 5 to 10 mph SW 3%
Tuesday Night 39°F Mostly Clear 5 mph W 0%

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 Nov 4, 2026.