Severn, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Severn, a community in Anne Arundel County, Maryland.
Tonight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 5 mph.
7-day forecast for Severn
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Clear | 5 mph S | 2% |
| Wednesday | 74°F | Patchy Fog then Mostly Sunny | 2 to 9 mph S | 2% |
| Wednesday Night | 61°F | Mostly Cloudy then Patchy Fog | 7 mph S | 23% |
| Thursday | 75°F | Chance Light Rain | 6 to 9 mph S | 51% |
| Thursday Night | 62°F | Light Rain Likely | 2 to 6 mph SW | 57% |
| Friday | 70°F | Rain Likely | 2 to 6 mph NW | 73% |
| Friday Night | 51°F | Light Rain Likely | 2 to 7 mph NW | 73% |
| Saturday | 65°F | Mostly Sunny | 7 to 12 mph NW | 12% |
| Saturday Night | 42°F | Partly Cloudy | 8 mph NW | 12% |
| Sunday | 62°F | Mostly Sunny | 9 mph NW | 6% |
| Sunday Night | 41°F | Slight Chance Light Rain | 6 to 9 mph W | 21% |
| Monday | 62°F | Slight Chance Light Rain | 10 to 14 mph W | 21% |
| Monday Night | 40°F | Slight Chance Light Rain | 6 to 9 mph W | 17% |
| Tuesday | 64°F | Sunny | 9 to 13 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov) for Severn (39.135, -76.696). Updated through the day.
Growing snapshot for Severn
Last spring frost
Apr 10
First fall frost
Oct 31
Growing season
204 days
Hardiness zone
7b
More local growing data for Severn: nearby ZIP 21077 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Annapolis
Annapolis Neck
Arden on the Severn
Arnold
Baltimore Highlands
Brooklyn Park
Cape St. Claire
Chesapeake Beach
Crofton
Crownsville
Deale
Edgewater
Ferndale
Fort Meade
Friendship
Galesville
Gambrills
Glen Burnie
Herald Harbor
Highland Beach
Lake Shore
Linthicum
Maryland City
Mayo
Naval Academy
North Beach
Odenton
Parole
Pasadena
Riva
Climate data from the nearest NOAA station, Baltimore Wash Intl Ap, Md (1 mi from Severn). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.