St. George Island, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for St. George Island, a community in St. Mary's County, Maryland.
Today
72°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 72. South wind 3 to 9 mph.
7-day forecast for St. George Island
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Patchy Fog then Sunny | 3 to 9 mph S | 1% |
| Tonight | 63°F | Mostly Cloudy | 8 mph S | 4% |
| Thursday | 74°F | Chance Rain Showers | 9 mph S | 27% |
| Thursday Night | 65°F | Showers And Thunderstorms | 7 mph S | 79% |
| Friday | 70°F | Showers And Thunderstorms then Rain | 6 mph SW | 93% |
| Friday Night | 54°F | Light Rain | 2 to 7 mph NW | 82% |
| Saturday | 64°F | Sunny | 7 to 10 mph NW | 5% |
| Saturday Night | 46°F | Mostly Clear | 9 mph NW | 2% |
| Sunday | 61°F | Sunny | 6 to 9 mph NW | 3% |
| Sunday Night | 45°F | Mostly Clear | 5 to 8 mph W | 7% |
| Monday | 62°F | Sunny | 7 to 13 mph NW | 7% |
| Monday Night | 44°F | Mostly Clear | 6 mph W | 5% |
| Tuesday | 64°F | Sunny | 8 mph SW | 2% |
| Tuesday Night | 46°F | Mostly Clear | 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for St. George Island (38.116, -76.477). Updated through the day.
Growing snapshot for St. George Island
Last spring frost
Mar 30
First fall frost
Nov 14
Growing season
229 days
Hardiness zone
8a
More local growing data for St. George Island: nearby ZIP 20630 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, St Inigoes Webster Nolf, Md (2.3 mi from St. George Island). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.