Severn, MD Weather & Growing Conditions
Today
76°F
Mostly Sunny
Mostly sunny, with a high near 76. South wind 6 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 6 to 9 mph S | 1% |
| Tonight | 61°F | Mostly Cloudy then Slight Chance Rain Showers | 6 mph S | 24% |
| Thursday | 74°F | Chance Rain Showers | 6 to 9 mph S | 48% |
| Thursday Night | 62°F | Rain Showers Likely | 2 to 7 mph SW | 61% |
| Friday | 71°F | Light Rain Likely | 5 mph N | 66% |
| Friday Night | 50°F | Chance Light Rain then Partly Cloudy | 2 to 7 mph NW | 42% |
| Saturday | 64°F | Mostly Sunny | 7 to 12 mph NW | 5% |
| Saturday Night | 40°F | Partly Cloudy | 10 mph NW | 5% |
| Sunday | 61°F | Mostly Sunny | 8 to 12 mph NW | 2% |
| Sunday Night | 40°F | Mostly Clear | 8 mph W | 6% |
| Monday | 62°F | Sunny | 8 to 14 mph W | 6% |
| Monday Night | 38°F | Mostly Clear | 5 to 9 mph W | 5% |
| Tuesday | 65°F | Sunny | 7 to 10 mph W | 2% |
| Tuesday Night | 41°F | Mostly Clear | 8 mph W | 0% |
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 (2.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.