Preston, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Preston, a town in Caroline County, Maryland.
Tonight
64°F
Mostly Cloudy
Mostly cloudy, with a low around 64. Northeast wind around 6 mph.
7-day forecast for Preston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 64°F | Mostly Cloudy | 6 mph NE | 5% |
| Saturday | 79°F | Partly Sunny | 7 to 10 mph NE | 11% |
| Saturday Night | 66°F | Patchy Fog | 5 to 9 mph E | 2% |
| Sunday | 82°F | Patchy Fog then Mostly Sunny | 5 to 12 mph S | 10% |
| Sunday Night | 68°F | Showers And Thunderstorms Likely | 5 to 10 mph SW | 61% |
| Monday | 75°F | Chance Showers And Thunderstorms | 6 to 10 mph N | 48% |
| Monday Night | 63°F | Chance Rain Showers | 7 to 10 mph NE | 42% |
| Tuesday | 70°F | Chance Rain Showers | 10 to 16 mph NE | 48% |
| Tuesday Night | 60°F | Chance Rain Showers | 10 to 16 mph NE | 48% |
| Wednesday | 66°F | Chance Rain Showers | 16 mph NE | 43% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 9 to 16 mph NE | 43% |
| Thursday | 67°F | Chance Showers And Thunderstorms | 13 mph NE | 34% |
| Thursday Night | 56°F | Chance Showers And Thunderstorms | 5 to 12 mph N | 34% |
| Friday | 70°F | Chance Rain Showers | 7 to 10 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov) for Preston (38.710, -75.908). Updated through the day.
Growing snapshot for Preston
Last spring frost
Apr 1
First fall frost
Nov 7
Growing season
220 days
Hardiness zone
7b
More local growing data for Preston: nearby ZIP 21655 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Choptank
Denton
Federalsburg
Goldsboro
Greensboro
Hillsboro
Queen Anne
Ridgely
West Denton
Williston
Climate data from the nearest NOAA station, Royal Oak 2 Ssw, Md (15.1 mi from Preston). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.