Middletown, DE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a town in New Castle County, Delaware.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. East wind around 5 mph.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph E | 17% |
| Wednesday | 84°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 73% |
| Wednesday Night | 72°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 5 mph S | 64% |
| Thursday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 17% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 20% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph SW | 25% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 5 mph SW | 45% |
| Saturday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 36% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 36% |
| Sunday | 88°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 to 10 mph W | 12% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 16% |
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
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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 Aug 4, 2026.