Hartly, DE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartly, a town in Kent County, Delaware.
Today
79°F
Mostly Sunny
Mostly sunny, with a high near 79. East wind 5 to 10 mph.
7-day forecast for Hartly
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Tonight | 64°F | Mostly Cloudy | 5 to 10 mph SE | 5% |
| Sunday | 81°F | Partly Sunny then Slight Chance Rain Showers | 5 to 10 mph S | 18% |
| Sunday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph W | 77% |
| Monday | 72°F | Chance Rain Showers | 5 to 10 mph NE | 47% |
| Monday Night | 57°F | Chance Rain Showers | 5 to 10 mph NE | 35% |
| Tuesday | 68°F | Chance Rain Showers | 10 to 15 mph NE | 44% |
| Tuesday Night | 54°F | Chance Rain Showers | 10 to 15 mph NE | 44% |
| Wednesday | 66°F | Chance Rain Showers | 15 mph NE | 35% |
| Wednesday Night | 55°F | Chance Rain Showers | 15 mph NE | 35% |
| Thursday | 65°F | Chance Rain Showers | 15 mph NE | 36% |
| Thursday Night | 53°F | Chance Rain Showers | 10 to 15 mph N | 36% |
| Friday | 68°F | Slight Chance Rain Showers | 10 mph N | 24% |
| Friday Night | 53°F | Slight Chance Rain Showers | 5 to 10 mph N | 24% |
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 Sep 19, 2026.