Severn, MD Weather & Growing Conditions
Today
85°F
Partly Sunny
Partly sunny, with a high near 85. Northeast wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Partly Sunny | 3 to 7 mph NE | 1% |
| Tonight | 70°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 2 to 7 mph E | 42% |
| Wednesday | 86°F | Showers And Thunderstorms Likely | 2 to 7 mph SE | 63% |
| Wednesday Night | 73°F | Chance Showers And Thunderstorms | 3 to 7 mph S | 54% |
| Thursday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 22% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 28% |
| Friday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 7 mph SW | 42% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 51% |
| Saturday | 90°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 2 to 7 mph SW | 53% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 1 to 6 mph W | 53% |
| Sunday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph W | 20% |
| Sunday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph SW | 20% |
| Monday | 93°F | Mostly Sunny | 3 to 8 mph W | 14% |
| Monday Night | 74°F | Slight Chance Showers And Thunderstorms | 7 mph W | 19% |
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 Aug 4, 2026.