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Calverton, MD Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Calverton, a community in Montgomery County, Maryland.

Tonight
62°F
Mostly Cloudy then Chance Light Rain
A chance of rain after 4am. Mostly cloudy, with a low around 62. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

7-day forecast for Calverton

WhenTempForecastWindPrecip
Tonight 62°F Mostly Cloudy then Chance Light Rain 6 to 9 mph S 26%
Thursday 74°F Chance Light Rain then Mostly Cloudy 8 to 12 mph S 51%
Thursday Night 59°F Chance Light Rain 2 to 7 mph SW 42%
Friday 70°F Chance Light Rain 5 mph N 35%
Friday Night 49°F Chance Light Rain then Partly Cloudy 2 to 10 mph N 32%
Saturday 61°F Mostly Sunny 13 mph NW 7%
Saturday Night 43°F Partly Cloudy 13 mph NW 7%
Sunday 61°F Mostly Sunny 7 to 13 mph NW 2%
Sunday Night 42°F Mostly Clear 7 to 10 mph NW 0%
Monday 61°F Sunny 8 to 13 mph W 0%
Monday Night 41°F Mostly Clear 7 mph W 0%
Tuesday 66°F Sunny 5 to 9 mph W 1%
Tuesday Night 42°F Mostly Clear 6 mph W 1%
Veterans Day 63°F Sunny 5 to 8 mph NW 1%

Forecast source: National Weather Service (api.weather.gov) for Calverton (39.058, -76.951). Updated through the day.

Growing snapshot for Calverton

Last spring frost
Apr 10
First fall frost
Nov 1
Growing season
202 days
Hardiness zone
7b

More local growing data for Calverton: nearby ZIP 20904 weather · frost dates · planting calendar · Maryland frost dates

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Climate data from the nearest NOAA station, Beltsville, Md (3.7 mi from Calverton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.