Potomac Heights, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Potomac Heights, a community in Charles County, Maryland.
Today
84°F
Partly Sunny
Partly sunny, with a high near 84. Northeast wind around 6 mph.
7-day forecast for Potomac Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Partly Sunny | 6 mph NE | 13% |
| Tonight | 73°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 2 to 6 mph E | 68% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 5 mph SE | 66% |
| Wednesday Night | 75°F | Chance Showers And Thunderstorms | 7 mph S | 41% |
| Thursday | 88°F | Mostly Sunny | 7 to 10 mph S | 9% |
| Thursday Night | 77°F | Partly Cloudy | 9 mph SW | 9% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 8 mph SW | 29% |
| Friday Night | 75°F | Chance Showers And Thunderstorms | 7 mph SW | 40% |
| Saturday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 mph SW | 46% |
| Saturday Night | 74°F | Chance Showers And Thunderstorms | 5 mph SW | 46% |
| Sunday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 mph W | 19% |
| Sunday Night | 75°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 19% |
| Monday | 90°F | Mostly Sunny | 5 mph W | 8% |
| Monday Night | 76°F | Partly Cloudy | 5 mph SW | 14% |
Forecast source: National Weather Service (api.weather.gov) for Potomac Heights (38.598, -77.132). Updated through the day.
Growing snapshot for Potomac Heights
Last spring frost
Mar 28
First fall frost
Nov 8
Growing season
226 days
Hardiness zone
7b
More local growing data for Potomac Heights: nearby ZIP 20658 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Benedict
Bensville
Brandywine
Bryans Road
Bryantown
Charlotte Hall
Cobb Island
Golden Beach
Hughesville
Indian Head
La Plata
Pomfret
Port Tobacco Village
Rock Point
Waldorf
Climate data from the nearest NOAA station, Quantico Mcas, Va (9.1 mi from Potomac Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.