Harman US

Jarrettsville, MD Weather & Growing Conditions

Today
76°F
Partly Sunny
Partly sunny, with a high near 76. East wind around 7 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 76°F Partly Sunny 7 mph E 6%
Tonight 62°F Cloudy then Chance Rain Showers 6 to 9 mph SE 34%
Sunday 79°F Rain Showers Likely 8 to 13 mph S 71%
Sunday Night 58°F Showers And Thunderstorms Likely 3 to 13 mph W 68%
Monday 69°F Chance Rain Showers 8 to 13 mph N 31%
Monday Night 53°F Chance Rain Showers 7 to 12 mph NE 41%
Tuesday 62°F Chance Rain Showers 14 mph NE 48%
Tuesday Night 50°F Chance Rain Showers 15 mph NE 47%
Wednesday 61°F Chance Rain Showers 16 mph NE 39%
Wednesday Night 51°F Chance Rain Showers 13 to 16 mph NE 39%
Thursday 62°F Chance Rain Showers 15 mph NE 39%
Thursday Night 50°F Chance Rain Showers 9 to 13 mph N 32%
Friday 66°F Chance Rain Showers 13 mph N 28%
Friday Night 50°F Slight Chance Rain Showers 8 to 12 mph N 18%

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

Growing snapshot for Jarrettsville, MD

Last spring frost
Apr 3
First fall frost
Nov 6
Growing season
217 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Conowingo Dam, Md (15.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.