Hartly, DE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hartly, a town in Kent County, Delaware.
Tonight
50°F
Mostly Clear
Mostly clear, with a low around 50. South wind around 5 mph.
7-day forecast for Hartly
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Clear | 5 mph S | 2% |
| Wednesday | 76°F | Patchy Fog then Sunny | 5 to 10 mph S | 2% |
| Wednesday Night | 60°F | Mostly Cloudy | 5 mph S | 5% |
| Thursday | 76°F | Chance Light Rain | 10 mph S | 25% |
| Thursday Night | 63°F | Light Rain | 5 to 10 mph S | 89% |
| Friday | 70°F | Light Rain | 5 mph W | 89% |
| Friday Night | 52°F | Chance Light Rain | 0 to 5 mph W | 81% |
| Saturday | 66°F | Slight Chance Light Rain then Mostly Sunny | 5 to 10 mph NW | 18% |
| Saturday Night | 41°F | Partly Cloudy | 5 mph NW | 11% |
| Sunday | 60°F | Mostly Sunny | 5 mph W | 6% |
| Sunday Night | 41°F | Partly Cloudy then Slight Chance Light Rain | 5 mph W | 19% |
| Monday | 60°F | Slight Chance Light Rain | 5 to 10 mph W | 20% |
| Monday Night | 39°F | Slight Chance Light Rain | 5 mph W | 20% |
| Tuesday | 62°F | Sunny | 5 to 10 mph W | 14% |
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
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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 Nov 4, 2026.