Harman US

Hartly, DE Weather & Growing Conditions

Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. East wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 84°F Mostly Sunny 5 mph E 1%
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 Showers And Thunderstorms Likely then Partly Cloudy 5 mph S 59%
Thursday 90°F Sunny 5 to 10 mph SW 14%
Thursday Night 74°F Mostly Clear 5 to 10 mph S 14%
Friday 90°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph SW 20%
Friday Night 72°F Chance Showers And Thunderstorms 5 mph SW 43%
Saturday 89°F Mostly Sunny then Chance Showers And Thunderstorms 5 mph SW 31%
Saturday Night 71°F Chance Showers And Thunderstorms 0 to 5 mph SW 31%
Sunday 89°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 5 mph W 17%
Sunday Night 72°F Slight Chance Showers And Thunderstorms then Partly Cloudy 0 to 5 mph SW 17%
Monday 91°F Sunny 5 mph SW 9%
Monday Night 72°F Slight Chance Showers And Thunderstorms 5 mph SW 17%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Hartly, DE

Last spring frost
Apr 4
First fall frost
Nov 4
Growing season
214 days
Hardiness zone
7b

Explore more for Hartly, DE: full frost dates · planting calendar · Delaware frost dates

Climate data from the nearest NOAA station, Dover, De (10.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.