Preston, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Preston, a town in Caroline County, Maryland.
This Afternoon
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 66 in the afternoon. South wind around 7 mph.
7-day forecast for Preston
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 7 mph S | 1% |
| Tonight | 51°F | Mostly Clear | 6 mph S | 2% |
| Wednesday | 77°F | Patchy Fog then Sunny | 3 to 9 mph S | 3% |
| Wednesday Night | 60°F | Mostly Cloudy | 8 mph S | 4% |
| Thursday | 75°F | Slight Chance Light Rain | 8 to 12 mph S | 16% |
| Thursday Night | 63°F | Light Rain | 8 mph S | 89% |
| Friday | 70°F | Light Rain | 5 to 8 mph SW | 89% |
| Friday Night | 53°F | Chance Light Rain | 3 mph W | 84% |
| Saturday | 66°F | Slight Chance Light Rain then Mostly Sunny | 5 to 9 mph NW | 18% |
| Saturday Night | 43°F | Partly Cloudy | 6 mph NW | 10% |
| Sunday | 61°F | Mostly Sunny | 3 to 7 mph NW | 6% |
| Sunday Night | 43°F | Partly Cloudy then Slight Chance Light Rain | 2 to 6 mph W | 17% |
| Monday | 61°F | Slight Chance Light Rain | 6 to 12 mph W | 20% |
| Monday Night | 41°F | Slight Chance Light Rain | 6 mph W | 20% |
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 Nov 4, 2026.