Germantown, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Germantown, a community in Montgomery County, Maryland.
This Afternoon
78°F
Partly Sunny
Partly sunny, with a high near 78. East wind around 5 mph.
7-day forecast for Germantown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Partly Sunny | 5 mph E | 7% |
| Tonight | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 7 mph SE | 20% |
| Sunday | 83°F | Chance Rain Showers | 7 to 12 mph S | 43% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely | 3 to 12 mph W | 69% |
| Monday | 70°F | Chance Rain Showers | 7 to 12 mph N | 36% |
| Monday Night | 56°F | Chance Rain Showers | 6 to 9 mph NE | 45% |
| Tuesday | 63°F | Rain Showers Likely | 13 mph NE | 62% |
| Tuesday Night | 53°F | Rain Showers Likely | 10 to 14 mph NE | 62% |
| Wednesday | 59°F | Chance Rain Showers | 14 mph NE | 50% |
| Wednesday Night | 53°F | Chance Rain Showers | 13 mph NE | 46% |
| Thursday | 61°F | Chance Rain Showers | 13 mph NE | 46% |
| Thursday Night | 51°F | Chance Rain Showers | 5 to 10 mph N | 37% |
| Friday | 66°F | Slight Chance Rain Showers | 10 mph N | 19% |
| Friday Night | 51°F | Slight Chance Rain Showers | 5 to 9 mph N | 15% |
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 Sep 19, 2026.