Cobb Island, MD Weather & Growing Conditions
Overnight
55°F
Mostly Clear
Mostly clear, with a low around 55. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Mostly Clear | 5 mph S | 2% |
| Wednesday | 75°F | Patchy Fog then Mostly Sunny | 3 to 7 mph S | 2% |
| Wednesday Night | 63°F | Mostly Cloudy then Patchy Fog | 7 mph S | 4% |
| Thursday | 76°F | Patchy Fog | 6 to 9 mph S | 19% |
| Thursday Night | 65°F | Light Rain | 6 mph S | 81% |
| Friday | 71°F | Rain | 6 mph NW | 88% |
| Friday Night | 57°F | Light Rain | 2 to 8 mph N | 79% |
| Saturday | 66°F | Mostly Sunny | 9 mph NW | 11% |
| Saturday Night | 51°F | Mostly Clear | 9 mph NW | 11% |
| Sunday | 62°F | Mostly Sunny | 7 mph W | 5% |
| Sunday Night | 50°F | Partly Cloudy then Slight Chance Light Rain | 5 to 9 mph W | 16% |
| Monday | 62°F | Slight Chance Light Rain | 9 to 14 mph W | 20% |
| Monday Night | 48°F | Slight Chance Light Rain then Mostly Clear | 9 mph W | 20% |
| Tuesday | 64°F | Sunny | 12 mph SW | 10% |
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 Nov 4, 2026.