Jarrettsville, MD Weather & Growing Conditions
Today
73°F
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 73. South wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Patchy Fog then Mostly Sunny | 3 to 8 mph S | 1% |
| Tonight | 60°F | Mostly Cloudy then Chance Rain Showers | 7 mph S | 31% |
| Thursday | 72°F | Rain Showers Likely | 6 to 9 mph S | 59% |
| Thursday Night | 60°F | Rain Showers Likely | 1 to 6 mph SW | 60% |
| Friday | 70°F | Chance Light Rain | 3 mph N | 60% |
| Friday Night | 48°F | Chance Light Rain then Partly Cloudy | 2 to 7 mph NW | 35% |
| Saturday | 63°F | Mostly Sunny | 8 to 12 mph NW | 7% |
| Saturday Night | 41°F | Partly Cloudy | 8 to 12 mph NW | 7% |
| Sunday | 60°F | Mostly Sunny | 8 to 12 mph NW | 3% |
| Sunday Night | 39°F | Mostly Clear | 9 mph W | 4% |
| Monday | 59°F | Sunny | 9 to 15 mph W | 4% |
| Monday Night | 38°F | Mostly Clear | 3 to 9 mph W | 4% |
| Tuesday | 64°F | Sunny | 5 to 12 mph W | 1% |
| Tuesday Night | 39°F | Mostly Clear | 5 to 8 mph W | 0% |
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 (15.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.