Severn, MD Weather & Growing Conditions
Tonight
50°F
Mostly Clear
Mostly clear, with a low around 50. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Clear | 5 mph S | 2% |
| Wednesday | 75°F | Patchy Fog then Mostly Sunny | 1 to 10 mph S | 2% |
| Wednesday Night | 60°F | Mostly Cloudy then Patchy Fog | 6 to 9 mph S | 24% |
| Thursday | 75°F | Chance Light Rain | 7 to 10 mph S | 52% |
| Thursday Night | 61°F | Light Rain Likely | 2 to 8 mph SW | 57% |
| Friday | 71°F | Rain Likely | 2 to 6 mph NW | 73% |
| Friday Night | 50°F | Light Rain Likely | 3 to 8 mph NW | 73% |
| Saturday | 65°F | Mostly Sunny | 8 to 12 mph NW | 12% |
| Saturday Night | 42°F | Partly Cloudy | 9 mph NW | 12% |
| Sunday | 62°F | Mostly Sunny | 9 mph NW | 6% |
| Sunday Night | 41°F | Slight Chance Light Rain | 7 to 10 mph W | 21% |
| Monday | 62°F | Slight Chance Light Rain | 10 to 15 mph W | 21% |
| Monday Night | 39°F | Slight Chance Light Rain | 9 mph W | 17% |
| Tuesday | 64°F | Sunny | 9 to 14 mph W | 14% |
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 Nov 4, 2026.