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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.