Germantown, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Germantown, a community in Montgomery County, Maryland.
Today
86°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely before 2pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 86. Southeast wind 2 to 6 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Germantown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Showers And Thunderstorms Likely | 2 to 6 mph SE | 68% |
| Tonight | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 37% |
| Thursday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 8 mph SW | 43% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 1 to 7 mph SW | 46% |
| Friday | 89°F | Mostly Sunny then Showers And Thunderstorms Likely | 1 to 6 mph SW | 60% |
| Friday Night | 70°F | Showers And Thunderstorms Likely | 1 to 5 mph SW | 60% |
| Saturday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 7 mph SW | 38% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph W | 38% |
| Sunday | 89°F | Mostly Sunny | 2 to 6 mph W | 7% |
| Sunday Night | 71°F | Partly Cloudy | 1 to 5 mph W | 7% |
| Monday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 7 mph W | 16% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 19% |
| Tuesday | 91°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 10 mph W | 32% |
| Tuesday Night | 71°F | Chance Showers And Thunderstorms | 3 to 8 mph NW | 32% |
Forecast source: National Weather Service (api.weather.gov) for Germantown (39.174, -77.264). Updated through the day.
Growing snapshot for Germantown
Last spring frost
Apr 14
First fall frost
Oct 29
Growing season
196 days
Hardiness zone
7b
More local growing data for Germantown: nearby ZIP 20876 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Damascus 3 Ssw, Md (4 mi from Germantown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 5, 2026.