Cobb Island, MD Weather & Growing Conditions
Today
74°F
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 74. South wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Patchy Fog then Mostly Sunny | 3 to 7 mph S | 1% |
| Tonight | 63°F | Mostly Cloudy | 8 mph S | 11% |
| Thursday | 74°F | Slight Chance Rain Showers | 6 to 9 mph S | 23% |
| Thursday Night | 65°F | Showers And Thunderstorms | 6 mph S | 77% |
| Friday | 70°F | Showers And Thunderstorms then Light Rain | 5 mph SW | 86% |
| Friday Night | 54°F | Light Rain Likely | 2 to 7 mph NW | 71% |
| Saturday | 64°F | Mostly Sunny | 7 to 10 mph NW | 4% |
| Saturday Night | 50°F | Mostly Clear | 10 mph NW | 2% |
| Sunday | 61°F | Sunny | 9 mph NW | 2% |
| Sunday Night | 49°F | Mostly Clear | 8 mph W | 6% |
| Monday | 60°F | Sunny | 7 to 14 mph NW | 6% |
| Monday Night | 46°F | Mostly Clear | 7 mph W | 5% |
| Tuesday | 64°F | Sunny | 8 mph SW | 2% |
| Tuesday Night | 49°F | Mostly Clear | 7 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cobb Island, MD
Last spring frost
Apr 17
First fall frost
Oct 27
Growing season
195 days
Hardiness zone
7b
Explore more for Cobb Island, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Mechanicsville 5 Ne, Md (17 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.