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Middletown, DE Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a town in New Castle County, Delaware.

Tonight
62°F
Mostly Cloudy
Mostly cloudy, with a low around 62. Northeast wind around 5 mph.

7-day forecast for Middletown

WhenTempForecastWindPrecip
Tonight 62°F Mostly Cloudy 5 mph NE 5%
Saturday 77°F Mostly Sunny 5 to 10 mph E 3%
Saturday Night 64°F Patchy Fog 5 to 10 mph SE 7%
Sunday 80°F Chance Rain Showers 5 to 10 mph S 45%
Sunday Night 64°F Showers And Thunderstorms 5 to 10 mph W 83%
Monday 72°F Chance Rain Showers 10 mph NE 46%
Monday Night 59°F Chance Rain Showers 5 to 10 mph NE 36%
Tuesday 67°F Chance Rain Showers 10 to 15 mph NE 42%
Tuesday Night 55°F Chance Rain Showers 10 to 15 mph NE 42%
Wednesday 64°F Chance Rain Showers 15 mph NE 39%
Wednesday Night 55°F Chance Showers And Thunderstorms 10 to 15 mph NE 38%
Thursday 65°F Chance Showers And Thunderstorms 10 mph NE 35%
Thursday Night 54°F Chance Showers And Thunderstorms 5 to 10 mph NE 35%
Friday 69°F Slight Chance Rain Showers 10 mph N 24%

Forecast source: National Weather Service (api.weather.gov) for Middletown (39.443, -75.718). Updated through the day.

Growing snapshot for Middletown

Last spring frost
Apr 7
First fall frost
Nov 1
Growing season
209 days
Hardiness zone
7b

More local growing data for Middletown: nearby ZIP 19730 weather · frost dates · planting calendar · Delaware frost dates

Nearby towns & communities

All Delaware locations ›

Climate data from the nearest NOAA station, Wilmington New Castle Co Ap, De (15.4 mi from Middletown). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.