Severn, MD Weather & Growing Conditions
This Afternoon
79°F
Partly Sunny
Partly sunny, with a high near 79. East wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Partly Sunny | 8 mph E | 5% |
| Tonight | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 9 mph SE | 20% |
| Sunday | 84°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 7 to 13 mph S | 43% |
| Sunday Night | 60°F | Showers And Thunderstorms Likely | 5 to 10 mph W | 70% |
| Monday | 72°F | Chance Rain Showers | 12 mph NE | 33% |
| Monday Night | 56°F | Chance Rain Showers | 12 mph NE | 41% |
| Tuesday | 66°F | Rain Showers Likely | 12 to 16 mph NE | 56% |
| Tuesday Night | 53°F | Chance Rain Showers | 13 to 16 mph NE | 53% |
| Wednesday | 64°F | Chance Rain Showers | 14 to 17 mph NE | 41% |
| Wednesday Night | 53°F | Chance Rain Showers | 13 to 16 mph NE | 42% |
| Thursday | 65°F | Chance Rain Showers | 16 mph NE | 42% |
| Thursday Night | 52°F | Chance Rain Showers | 9 to 15 mph N | 35% |
| Friday | 68°F | Slight Chance Rain Showers | 13 mph N | 24% |
| Friday Night | 52°F | Slight Chance Rain Showers | 8 to 12 mph N | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Severn, MD
Last spring frost
Apr 10
First fall frost
Oct 31
Growing season
204 days
Hardiness zone
7b
Explore more for Severn, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Baltimore Wash Intl Ap, Md (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.