Harman US

Chevy Chase, MD Weather & Growing Conditions

This Afternoon
71°F
Sunny
Sunny, with a high near 71. South wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 71°F Sunny 7 mph S 2%
Tonight 52°F Mostly Clear then Patchy Fog 6 mph S 2%
Wednesday 74°F Patchy Fog then Mostly Sunny 3 to 10 mph S 2%
Wednesday Night 61°F Mostly Cloudy then Chance Light Rain 7 mph S 36%
Thursday 75°F Chance Light Rain 7 to 10 mph S 45%
Thursday Night 62°F Chance Light Rain 2 to 7 mph SW 54%
Friday 70°F Rain Likely 5 mph NW 69%
Friday Night 51°F Light Rain Likely then Mostly Cloudy 2 to 7 mph NW 69%
Saturday 64°F Sunny 7 to 12 mph NW 9%
Saturday Night 43°F Partly Cloudy 8 mph NW 9%
Sunday 61°F Mostly Sunny 5 to 8 mph NW 7%
Sunday Night 42°F Partly Cloudy then Slight Chance Light Rain 3 to 7 mph NW 15%
Monday 61°F Slight Chance Light Rain then Mostly Sunny 8 to 12 mph W 15%
Monday Night 41°F Mostly Clear 3 to 8 mph W 9%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Chevy Chase, MD

Last spring frost
Apr 9
First fall frost
Oct 31
Growing season
202 days
Hardiness zone
7b

Explore more for Chevy Chase, MD: full frost dates · planting calendar · Maryland frost dates

Climate data from the nearest NOAA station, Dalecarlia Rsvr, Md (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.