Middletown, DE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a town in New Castle County, Delaware.
This Afternoon
72°F
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 66 in the afternoon. South wind around 5 mph.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Mostly Sunny | 5 mph S | 2% |
| Tonight | 48°F | Partly Cloudy | 5 mph S | 3% |
| Wednesday | 75°F | Partly Sunny | 0 to 5 mph S | 2% |
| Wednesday Night | 58°F | Mostly Cloudy | 5 mph S | 3% |
| Thursday | 75°F | Chance Light Rain | 5 to 10 mph S | 30% |
| Thursday Night | 61°F | Chance Light Rain then Chance T-storms | 5 mph S | 73% |
| Friday | 71°F | Light Rain | 5 mph S | 80% |
| Friday Night | 51°F | Light Rain | 0 to 5 mph W | 78% |
| Saturday | 67°F | Slight Chance Light Rain | 5 mph NW | 23% |
| Saturday Night | 43°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 16% |
| Sunday | 63°F | Mostly Sunny | 5 mph NW | 8% |
| Sunday Night | 42°F | Slight Chance Light Rain | 0 to 5 mph NW | 24% |
| Monday | 60°F | Chance Light Rain | 5 to 10 mph NW | 33% |
| Monday Night | 40°F | Chance Light Rain | 5 to 10 mph NW | 28% |
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 Nov 3, 2026.