Lewes, DE Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lewes, a city in Sussex County, Delaware.
Overnight
71°F
Mostly Cloudy
Mostly cloudy, with a low around 71. Northeast wind around 10 mph.
7-day forecast for Lewes
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Cloudy | 10 mph NE | 0% |
| Tuesday | 81°F | Partly Sunny | 10 mph E | 4% |
| Tuesday Night | 70°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 10 mph E | 23% |
| Wednesday | 86°F | Chance Rain Showers then Chance Showers And Thunderstorms | 5 to 10 mph SE | 49% |
| Wednesday Night | 74°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph S | 17% |
| Thursday | 91°F | Sunny | 5 to 10 mph SW | 8% |
| Thursday Night | 75°F | Mostly Clear | 5 to 10 mph SW | 8% |
| Friday | 92°F | Sunny then Slight Chance Showers And Thunderstorms | 10 mph SW | 15% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 37% |
| Saturday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 22% |
| Saturday Night | 72°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 5 mph SW | 32% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 22% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 22% |
| Monday | 90°F | Sunny | 5 to 10 mph SW | 7% |
Forecast source: National Weather Service (api.weather.gov) for Lewes (38.779, -75.144). Updated through the day.
Growing snapshot for Lewes
Last spring frost
Mar 29
First fall frost
Nov 14
Growing season
231 days
Hardiness zone
7b
More local growing data for Lewes: nearby ZIP 19958 weather · frost dates · planting calendar · Delaware frost dates
Nearby towns & communities
Bethany Beach
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Bridgeville
Dagsboro
Delmar
Dewey Beach
Ellendale
Farmington
Fenwick Island
Frankford
Georgetown
Greenwood
Henlopen Acres
Laurel
Lincoln
Long Neck
Milford
Millsboro
Millville
Milton
Ocean View
Rehoboth Beach
Seaford
Selbyville
Slaughter Beach
South Bethany
Climate data from the nearest NOAA station, Lewes, De (3.9 mi from Lewes). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.