Jarrettsville, MD Weather & Growing Conditions
Today
83°F
Mostly Sunny
Mostly sunny, with a high near 83. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 66°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 1 to 5 mph E | 18% |
| Wednesday | 82°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 2 to 6 mph SE | 75% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 6 mph S | 59% |
| Thursday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 9 mph S | 52% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 52% |
| Friday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph SW | 53% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 53% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph W | 47% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 47% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph W | 15% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 15% |
| Monday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph W | 20% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph W | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jarrettsville, MD
Last spring frost
Apr 19
First fall frost
Oct 25
Growing season
188 days
Hardiness zone
7a
Explore more for Jarrettsville, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Millers 4 Ne, Md (13.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.