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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.