Harman US

Bethesda, MD Weather & Growing Conditions

Today
79°F
Partly Sunny
Partly sunny, with a high near 79. East wind around 6 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 79°F Partly Sunny 6 mph E 5%
Tonight 65°F Mostly Cloudy then Slight Chance Rain Showers 7 mph SE 16%
Sunday 84°F Chance Rain Showers 6 to 12 mph S 28%
Sunday Night 62°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 3 to 10 mph W 70%
Monday 71°F Chance Rain Showers 10 mph NE 32%
Monday Night 58°F Chance Rain Showers 6 to 9 mph NE 42%
Tuesday 64°F Rain Showers Likely 10 to 14 mph NE 57%
Tuesday Night 54°F Rain Showers Likely 10 to 14 mph NE 57%
Wednesday 61°F Chance Rain Showers 14 mph NE 47%
Wednesday Night 54°F Chance Rain Showers 13 mph NE 46%
Thursday 62°F Chance Rain Showers 14 mph NE 46%
Thursday Night 53°F Chance Rain Showers 6 to 13 mph N 38%
Friday 67°F Slight Chance Rain Showers 10 mph N 16%
Friday Night 52°F Slight Chance Rain Showers 6 to 9 mph N 15%

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

Growing snapshot for Bethesda, MD

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

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

Climate data from the nearest NOAA station, Dalecarlia Rsvr, Md (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.