Lexington Park, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lexington Park, a community in St. Mary's County, Maryland.
Overnight
54°F
Mostly Clear
Mostly clear, with a low around 54. South wind around 5 mph.
7-day forecast for Lexington Park
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Mostly Clear | 5 mph S | 1% |
| Wednesday | 73°F | Patchy Fog then Sunny | 3 to 9 mph S | 1% |
| Wednesday Night | 61°F | Mostly Cloudy | 7 mph S | 3% |
| Thursday | 75°F | Slight Chance Rain Showers | 6 to 9 mph S | 23% |
| Thursday Night | 63°F | Showers And Thunderstorms | 6 mph S | 81% |
| Friday | 70°F | Showers And Thunderstorms then Rain | 3 to 7 mph SW | 92% |
| Friday Night | 53°F | Light Rain | 2 to 6 mph NW | 79% |
| Saturday | 66°F | Sunny | 7 to 10 mph NW | 5% |
| Saturday Night | 44°F | Mostly Clear | 8 mph NW | 3% |
| Sunday | 61°F | Sunny | 6 to 9 mph NW | 3% |
| Sunday Night | 43°F | Mostly Clear | 6 mph W | 7% |
| Monday | 61°F | Sunny | 7 to 13 mph NW | 7% |
| Monday Night | 42°F | Clear | 6 mph W | 5% |
| Tuesday | 64°F | Sunny | 6 to 9 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Lexington Park (38.249, -76.444). Updated through the day.
Growing snapshot for Lexington Park
Last spring frost
Mar 29
First fall frost
Nov 15
Growing season
230 days
Hardiness zone
8a
More local growing data for Lexington Park: nearby ZIP 20653 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Patuxent River Nas, Md (4.4 mi from Lexington Park). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.