Hartly, DE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartly, a town in Kent County, Delaware.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. East wind around 5 mph.
7-day forecast for Hartly
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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 | 85°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 71% |
| Wednesday Night | 73°F | Showers And Thunderstorms Likely then Partly Cloudy | 5 mph S | 59% |
| Thursday | 89°F | Mostly Sunny | 5 to 10 mph SW | 14% |
| Thursday Night | 74°F | Mostly Clear | 5 to 10 mph SW | 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 | 44% |
| Saturday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 30% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 30% |
| 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 | 90°F | Sunny | 5 mph SW | 9% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 18% |
Forecast source: National Weather Service (api.weather.gov) for Hartly (39.168, -75.712). Updated through the day.
Growing snapshot for Hartly
Last spring frost
Apr 4
First fall frost
Nov 4
Growing season
214 days
Hardiness zone
7b
More local growing data for Hartly: nearby ZIP 19953 weather · frost dates · planting calendar · Delaware frost dates
Nearby towns & communities
Bowers
Camden
Cheswold
Clayton
Dover
Dover Base Housing
Felton
Frederica
Harrington
Highland Acres
Houston
Kent Acres
Kenton
Leipsic
Little Creek
Magnolia
Rising Sun-Lebanon
Riverview
Rodney Village
Smyrna
Viola
Woodside
Woodside East
Wyoming
Climate data from the nearest NOAA station, Dover, De (10.1 mi from Hartly). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.