Cobb Island, MD Weather & Growing Conditions
This Afternoon
86°F
Mostly Sunny
Mostly sunny, with a high near 86. Northeast wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Mostly Sunny | 9 mph NE | 10% |
| Tonight | 68°F | Mostly Cloudy | 9 mph NE | 10% |
| Saturday | 80°F | Partly Sunny | 10 mph NE | 10% |
| Saturday Night | 70°F | Mostly Cloudy | 6 to 10 mph SE | 10% |
| Sunday | 84°F | Mostly Sunny | 6 to 12 mph S | 10% |
| Sunday Night | 71°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 45% |
| Monday | 79°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 46% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 10 to 16 mph NE | 52% |
| Tuesday | 71°F | Showers And Thunderstorms Likely | 15 to 22 mph NE | 59% |
| Tuesday Night | 64°F | Showers And Thunderstorms Likely | 22 mph NE | 59% |
| Wednesday | 66°F | Chance Rain Showers | 21 mph NE | 50% |
| Wednesday Night | 63°F | Chance Showers And Thunderstorms | 18 to 22 mph NE | 50% |
| Thursday | 66°F | Chance Showers And Thunderstorms | 15 to 18 mph NE | 41% |
| Thursday Night | 62°F | Chance Showers And Thunderstorms | 12 to 17 mph N | 36% |
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 (17.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.