Preston, MD Weather & Growing Conditions
Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Clear | 5 mph S | 2% |
| Wednesday | 77°F | Patchy Fog then Sunny | 5 to 10 mph S | 3% |
| Wednesday Night | 60°F | Mostly Cloudy | 5 to 10 mph S | 4% |
| Thursday | 76°F | Slight Chance Light Rain | 10 to 15 mph S | 16% |
| Thursday Night | 63°F | Light Rain | 5 to 10 mph S | 89% |
| Friday | 70°F | Light Rain | 5 to 10 mph SW | 89% |
| Friday Night | 53°F | Chance Light Rain | 0 to 5 mph W | 84% |
| Saturday | 66°F | Slight Chance Light Rain then Mostly Sunny | 5 to 10 mph NW | 18% |
| Saturday Night | 43°F | Partly Cloudy | 5 mph NW | 10% |
| Sunday | 61°F | Mostly Sunny | 5 mph NW | 6% |
| Sunday Night | 42°F | Partly Cloudy then Slight Chance Light Rain | 0 to 5 mph W | 17% |
| Monday | 61°F | Slight Chance Light Rain | 5 to 10 mph W | 20% |
| Monday Night | 40°F | Slight Chance Light Rain | 5 mph W | 20% |
| Tuesday | 63°F | Slight Chance Light Rain then Sunny | 5 to 10 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Preston, MD
Last spring frost
Apr 1
First fall frost
Nov 7
Growing season
220 days
Hardiness zone
7b
Explore more for Preston, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Royal Oak 2 Ssw, Md (15.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.