Jarrettsville, MD Weather & Growing Conditions
Overnight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. North wind around 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Partly Cloudy | 9 mph N | 2% |
| Saturday | 76°F | Mostly Sunny | 10 mph E | 5% |
| Saturday Night | 64°F | Mostly Cloudy then Scattered Rain Showers | 8 mph SE | 30% |
| Sunday | 78°F | Rain Showers Likely | 8 to 14 mph S | 69% |
| Sunday Night | 63°F | Showers And Thunderstorms Likely | 6 to 9 mph W | 70% |
| Monday | 71°F | Chance Rain Showers | 9 to 13 mph NE | 40% |
| Monday Night | 57°F | Chance Rain Showers | 8 to 12 mph NE | 44% |
| Tuesday | 63°F | Chance Rain Showers | 14 mph NE | 50% |
| Tuesday Night | 53°F | Chance Rain Showers | 15 mph NE | 50% |
| Wednesday | 61°F | Chance Rain Showers | 14 mph NE | 44% |
| Wednesday Night | 53°F | Chance Showers And Thunderstorms | 14 mph NE | 45% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 10 to 14 mph NE | 42% |
| Thursday Night | 53°F | Chance Showers And Thunderstorms | 7 to 10 mph N | 38% |
| Friday | 67°F | Slight Chance Rain Showers | 10 mph N | 24% |
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.