Mechanicsville, MD Weather & Growing Conditions
Today
80°F
Mostly Sunny
Mostly sunny, with a high near 80. Northeast wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Mostly Sunny | 8 mph NE | 7% |
| Tonight | 66°F | Mostly Cloudy | 3 to 7 mph SE | 11% |
| Sunday | 84°F | Mostly Cloudy | 3 to 10 mph S | 14% |
| Sunday Night | 65°F | Showers And Thunderstorms Likely | 3 to 8 mph W | 64% |
| Monday | 74°F | Rain Showers Likely | 8 to 12 mph N | 59% |
| Monday Night | 60°F | Chance Rain Showers | 10 mph NE | 36% |
| Tuesday | 70°F | Chance Rain Showers | 12 to 18 mph NE | 54% |
| Tuesday Night | 57°F | Chance Rain Showers | 14 to 18 mph NE | 54% |
| Wednesday | 66°F | Chance Rain Showers | 15 to 20 mph NE | 46% |
| Wednesday Night | 57°F | Chance Rain Showers | 13 to 20 mph NE | 46% |
| Thursday | 66°F | Chance Showers And Thunderstorms | 15 to 20 mph NE | 44% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 9 to 18 mph N | 40% |
| Friday | 69°F | Slight Chance Rain Showers | 12 to 16 mph N | 20% |
| Friday Night | 54°F | Mostly Cloudy | 7 to 12 mph N | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mechanicsville, MD
Last spring frost
Apr 17
First fall frost
Oct 27
Growing season
195 days
Hardiness zone
7b
Explore more for Mechanicsville, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Mechanicsville 5 Ne, Md (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.